Instructables: exploring - technology - antenna http://www.instructables.com Wed, 16 Apr 2014 00:58:14 PDT BLOX v1.01 Laptop Antenna Upgrade http://www.instructables.com/id/Laptop-Antenna-Upgrade/ http://cdn.instructables.com/FRY/LC1F/HU1HRFUU/FRYLC1FHU1HRFUU.SQUARE2.jpg http://cdn.instructables.com/FRY/LC1F/HU1HRFUU/FRYLC1FHU1HRFUU.SQUARE.jpg http://cdn.instructables.com/FRY/LC1F/HU1HRFUU/FRYLC1FHU1HRFUU.SMALL.jpg andrew mcneil The performance of the wireless on this Samsung netbook was so bad you had to use it next to the router to get any kind of connectivity. I did not want to have a dongle sticking out the side so I decided to upgrade the internal antennas to increase its performance.
By: andrew mcneil

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Tue, 15 Apr 2014 11:54:30 PDT
One component radio clock time transmitter http://www.instructables.com/id/WWVB-radio-time-signal-generator-for-ATTINY45-or-A/
One component radio clock time transmitter - More DIY How To Projects]]> http://cdn.instructables.com/FSJ/Y5YJ/HSVGJAU4/FSJY5YJHSVGJAU4.SQUARE2.jpg http://cdn.instructables.com/FSJ/Y5YJ/HSVGJAU4/FSJY5YJHSVGJAU4.SQUARE.jpg http://cdn.instructables.com/FSJ/Y5YJ/HSVGJAU4/FSJY5YJHSVGJAU4.SMALL.jpg sbmull Believe it or not, you can generate a time signal to set your WWVB controlled radio clocks with just an attiny45, wire antenna, and a battery. Upload the code to an attiny45, put a 20" or so wire on pin 6 and power with 5v.  You'll need to put your radio clock close to pick up the signal best. ...
By: sbmull

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Thu, 20 Mar 2014 07:30:12 PDT
J-Pole Antennas For 144 and 440 http://www.instructables.com/id/J-Pole-Antennas-For-144-and-440/
J-Pole Antennas For 144 and 440 - More DIY How To Projects]]> http://cdn.instructables.com/FQV/1UAB/HSHDWIM0/FQV1UABHSHDWIM0.SQUARE2.jpg http://cdn.instructables.com/FQV/1UAB/HSHDWIM0/FQV1UABHSHDWIM0.SQUARE.jpg http://cdn.instructables.com/FQV/1UAB/HSHDWIM0/FQV1UABHSHDWIM0.SMALL.jpg rjkorn Since my rotor snapped and my 2m quad fell with it I needed a simple temporary antenna I made a couple of plumber's delight J-poles see here: http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CCoQFjAA&url=http%3A%2F%2Fharriscountyares.org%2Ftraining%2FKNW%2FKNW-110...
By: rjkorn

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Wed, 19 Mar 2014 00:18:09 PDT
$5.00 Digital TV Antenna http://www.instructables.com/id/500-Digital-TV-Antenna/
$5.00 Digital TV Antenna - More DIY How To Projects]]> http://cdn.instructables.com/FID/0EEU/HSTP2ZO5/FID0EEUHSTP2ZO5.SQUARE2.jpg http://cdn.instructables.com/FID/0EEU/HSTP2ZO5/FID0EEUHSTP2ZO5.SQUARE.jpg http://cdn.instructables.com/FID/0EEU/HSTP2ZO5/FID0EEUHSTP2ZO5.SMALL.jpg robhool1 Here's my home built digital TV antenna. Most of the parts I had laying around, so the only item I had to purchase was the antenna transformer, for roughly $5.00. The basic design came from the Popular Mechanics website, but I wanted to add something a little more to it so it would stand up to the e...
By: robhool1

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Sun, 16 Mar 2014 16:22:30 PDT
How to make an arduino antenna http://www.instructables.com/id/How-to-make-an-arduino-antenna/
How to make an arduino antenna - More DIY How To Projects]]> http://cdn.instructables.com/FPW/01AD/HSTP27HJ/FPW01ADHSTP27HJ.SQUARE2.jpg http://cdn.instructables.com/FPW/01AD/HSTP27HJ/FPW01ADHSTP27HJ.SQUARE.jpg http://cdn.instructables.com/FPW/01AD/HSTP27HJ/FPW01ADHSTP27HJ.SMALL.jpg charliesyvertsen Hi, my name is Charlie and i had a need for a simple 1-wire antenna that i could interface with my arduino, and that's why i'm writing this. Parts list oscillatorarduino unowirebreadboard Putting in the oscillators first, take the first one and place the left pin on g49next, take the second...
By: charliesyvertsen

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Sun, 16 Mar 2014 12:24:48 PDT
Outdoor Basket Wire HDTV Antenna http://www.instructables.com/id/Outdoor-Basket-Wire-HDTV-Antenna/
Outdoor Basket Wire HDTV Antenna - More DIY How To Projects]]> http://cdn.instructables.com/FW7/CDWF/HSPP6ZXK/FW7CDWFHSPP6ZXK.SQUARE2.jpg http://cdn.instructables.com/FW7/CDWF/HSPP6ZXK/FW7CDWFHSPP6ZXK.SQUARE.jpg http://cdn.instructables.com/FW7/CDWF/HSPP6ZXK/FW7CDWFHSPP6ZXK.SMALL.jpg vreinkymov Instructables has a number of people who have made HDTV antennas. Here's yet another antenna made with an inexpensive basket, sourced from the Dollar Store, and some telephone hookup wire. For this you will need: Plastic Basket 75 to 300 Ohm UHF/VHF Transformer Wire - Thinner is Better ...
By: vreinkymov

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Fri, 14 Mar 2014 00:55:20 PDT
Simple Wifi Booster http://www.instructables.com/id/Simple-Wifi-Booster/
Simple Wifi Booster - More DIY How To Projects]]> http://cdn.instructables.com/FO5/654X/HSQ4BEXJ/FO5654XHSQ4BEXJ.SQUARE2.jpg http://cdn.instructables.com/FO5/654X/HSQ4BEXJ/FO5654XHSQ4BEXJ.SQUARE.jpg http://cdn.instructables.com/FO5/654X/HSQ4BEXJ/FO5654XHSQ4BEXJ.SMALL.jpg ajs450 What You Will Need You will need •super glue•old antenna ( 2 if you want )• 12 in. Long by 1 1/2 inch wide piece of wood•And a drill Now You're Ready To Construct Drill a hole in the center of the board big enough to tightly fit you're antenna.Now once the hole is drilled put you're super glu...
By: ajs450

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Thu, 13 Mar 2014 12:06:27 PDT
Simple Dipole With A Balun Attached http://www.instructables.com/id/Simple-Dipole-With-A-Balun-Attached/
Simple Dipole With A Balun Attached - More DIY How To Projects]]> http://cdn.instructables.com/FB4/EKL2/HRWNGK3Z/FB4EKL2HRWNGK3Z.SQUARE2.jpg http://cdn.instructables.com/FB4/EKL2/HRWNGK3Z/FB4EKL2HRWNGK3Z.SQUARE.jpg http://cdn.instructables.com/FB4/EKL2/HRWNGK3Z/FB4EKL2HRWNGK3Z.SMALL.jpg rjkorn I was looking through this old box of parts and I came across an old set of TV rabbit ears my father modified to use with a SW radio. He replaced the twin lead with a PL-259 connector ignoring the mismatch since it was only for receiving. Even a receiver will benefit greatly from a good match and ...
By: rjkorn

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Sat, 22 Feb 2014 18:13:33 PST
HDTV Antenna_A Radio Shack Mod http://www.instructables.com/id/HDTV-AntennaA-Radio-Shack-Mod/ http://cdn.instructables.com/F4Y/8JTO/HRTWM742/F4Y8JTOHRTWM742.SQUARE2.jpg http://cdn.instructables.com/F4Y/8JTO/HRTWM742/F4Y8JTOHRTWM742.SQUARE.jpg http://cdn.instructables.com/F4Y/8JTO/HRTWM742/F4Y8JTOHRTWM742.SMALL.jpg wmlaveck This is a further development of the antenna shown by dragosurf, http://www.instructables.com/id/Stylish-HDTV-Antenna/. It is his design attached to a powered Radio Shack antenna (15-1880) sold about ten years ago. I am using this in our family room, which is half below ground. The RS antenna (as so...
By: wmlaveck

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Thu, 20 Feb 2014 12:27:34 PST
How to Make a Balun Or Unun http://www.instructables.com/id/How-to-Make-a-Balun-Or-Unun/
How to Make a Balun Or Unun - More DIY How To Projects]]> http://cdn.instructables.com/FHT/N61X/HRKR3EYX/FHTN61XHRKR3EYX.SQUARE2.jpg http://cdn.instructables.com/FHT/N61X/HRKR3EYX/FHTN61XHRKR3EYX.SQUARE.jpg http://cdn.instructables.com/FHT/N61X/HRKR3EYX/FHTN61XHRKR3EYX.SMALL.jpg rjkorn I needed a simple portable HF antenna. A long wire and some insulators is pretty easy to carry. To connect it to the radio I needed a Balun.These are such simple things but yet they cost so much from some places. I decided to make my own and did it for less than $5. A Balun is used to match a bala...
By: rjkorn

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Sat, 15 Feb 2014 07:23:49 PST
Quick, Makeshift HDTV Antenna http://www.instructables.com/id/Quick-Makeshift-HDTV-Antenna/
Quick, Makeshift HDTV Antenna - More DIY How To Projects]]> http://cdn.instructables.com/FOI/TD3G/HRCK3LX3/FOITD3GHRCK3LX3.SQUARE2.jpg http://cdn.instructables.com/FOI/TD3G/HRCK3LX3/FOITD3GHRCK3LX3.SQUARE.jpg http://cdn.instructables.com/FOI/TD3G/HRCK3LX3/FOITD3GHRCK3LX3.SMALL.jpg dmagryta124 How to build a makeshift HDTV antenna from mainly old coat hangers.Credit for the antenna design goes to the Solid Signal Blog. I don't claim to have invented this, but I see that there aren't many quick, makeshift antenna tutorials here on instructables, so I just thought I'd try to share their set...
By: dmagryta124

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Sat, 8 Feb 2014 17:24:52 PST
Adding an Antenna Jack to a USB WiFi Adapter http://www.instructables.com/id/Adding-an-Antenna-Jack-to-a-USB-WiFi-Adapter/
Adding an Antenna Jack to a USB WiFi Adapter - More DIY How To Projects]]> http://cdn.instructables.com/F1W/7G8U/HQQIJY9W/F1W7G8UHQQIJY9W.SQUARE2.jpg http://cdn.instructables.com/F1W/7G8U/HQQIJY9W/F1W7G8UHQQIJY9W.SQUARE.jpg http://cdn.instructables.com/F1W/7G8U/HQQIJY9W/F1W7G8UHQQIJY9W.SMALL.jpg rjkorn I know there are plenty of WiFi dongles out there with SMA connectors (or smaller)  but I wanted something sturdier and waterproof... Finding A Dongle and Box I used a couple of old Microsoft USB wireless adapters. They seemed to have better range that the little stick ones and the little antenna...
By: rjkorn

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Wed, 22 Jan 2014 10:33:30 PST
Air Wings Tips http://www.instructables.com/id/Air-Wings-Tips/
Air Wings Tips - More DIY How To Projects]]> http://cdn.instructables.com/FV3/GI29/HQMN6NNW/FV3GI29HQMN6NNW.SQUARE2.jpg http://cdn.instructables.com/FV3/GI29/HQMN6NNW/FV3GI29HQMN6NNW.SQUARE.jpg http://cdn.instructables.com/FV3/GI29/HQMN6NNW/FV3GI29HQMN6NNW.SMALL.jpg wezils tuts Getting To Know The Tracks Well it's good to know the tracks so you can outmanuver other players how you learn the tracks is by playing the gosh dang game Weapons Find out what weapons work best for you I prefer missiles and suction cup things Planes Depending on how your opponents fight ...
By: wezils tuts

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Mon, 20 Jan 2014 17:49:44 PST
WiFi BiQuad Directional Antennas http://www.instructables.com/id/WiFi-BiQuad-Directional-Antennas/ http://cdn.instructables.com/F9E/NZKU/HQMN69XA/F9ENZKUHQMN69XA.SQUARE2.jpg http://cdn.instructables.com/F9E/NZKU/HQMN69XA/F9ENZKUHQMN69XA.SQUARE.jpg http://cdn.instructables.com/F9E/NZKU/HQMN69XA/F9ENZKUHQMN69XA.SMALL.jpg rjkorn I needed some simple WiFi antennas for a project so I made some using 12 gauge copper wire and SO-239 couplers. Start by hollowing out the coupler. there is a press fit ring on one side holding it together. just hit the insulator on the opposite side using a wood dowel and hammer. it wont take much...
By: rjkorn

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Mon, 20 Jan 2014 12:48:52 PST
Biquad Yagi 2 4GHz Wifi Antenna http://www.instructables.com/id/Biquad-Yagi-2-4GHz-Wifi-Antenna/ http://cdn.instructables.com/F91/RLGW/HQJDT95A/F91RLGWHQJDT95A.SQUARE2.jpg http://cdn.instructables.com/F91/RLGW/HQJDT95A/F91RLGWHQJDT95A.SQUARE.jpg http://cdn.instructables.com/F91/RLGW/HQJDT95A/F91RLGWHQJDT95A.SMALL.jpg andrew mcneil The Biquad Yagi has turned out to be an excellent directional antenna. Performing much better than I first thought it would. I did change the measurements from the link here: http://homemakeant.blogspot.co.uk/2008/06/biquad-yagi-24ghz-antenna.html Although this only has 6 elements, 4 parasitic, 1 d...
By: andrew mcneil

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Fri, 17 Jan 2014 12:36:00 PST
Xbox 360 Slim WiFi Antenna Modification http://www.instructables.com/id/Xbox-360-Slim-WiFi-Antenna-Modification/
Xbox 360 Slim WiFi Antenna Modification - More DIY How To Projects]]> http://cdn.instructables.com/F1W/8GYS/HQCC20HU/F1W8GYSHQCC20HU.SQUARE2.jpg http://cdn.instructables.com/F1W/8GYS/HQCC20HU/F1W8GYSHQCC20HU.SQUARE.jpg http://cdn.instructables.com/F1W/8GYS/HQCC20HU/F1W8GYSHQCC20HU.SMALL.jpg voltstech Need to get a better signal from your Xbox 360 Slims Wifi Antenna? Adding another antenna will dramatically improve your Antenna signal receiving strength. http://www.youtube.com/watch?v=f3EGwdT96ko Please comment on this tutorial or leave a video of the results you get. Did you like the tutoria...
By: voltstech

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Sun, 12 Jan 2014 08:29:21 PST
The Tape Measure Antenna http://www.instructables.com/id/The-Tape-Measure-Antenna/
The Tape Measure Antenna - More DIY How To Projects]]> http://cdn.instructables.com/F8H/03UF/HQ5K2LOL/F8H03UFHQ5K2LOL.SQUARE2.jpg http://cdn.instructables.com/F8H/03UF/HQ5K2LOL/F8H03UFHQ5K2LOL.SQUARE.jpg http://cdn.instructables.com/F8H/03UF/HQ5K2LOL/F8H03UFHQ5K2LOL.SMALL.jpg jcoman Are you looking for an easy kid friendly project? Are you looking for a project to encourage a new generation of ham radio operators? This project is unusual, so it’s something that will certainly capture the attention of anyone, particularly a kid. It’s an antenna built out of PVC pipe, a tape mea...
By: jcoman

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Tue, 7 Jan 2014 14:33:37 PST
ClearTV antenna lookalike. http://www.instructables.com/id/ClearTV-antenna-lookalike/
ClearTV antenna lookalike. - More DIY How To Projects]]> http://cdn.instructables.com/F8E/P0W9/HPIGRCKI/F8EP0W9HPIGRCKI.SQUARE2.jpg http://cdn.instructables.com/F8E/P0W9/HPIGRCKI/F8EP0W9HPIGRCKI.SQUARE.jpg http://cdn.instructables.com/F8E/P0W9/HPIGRCKI/F8EP0W9HPIGRCKI.SMALL.jpg Computothought If you have been following my instructables, I have been doing a few almost free TV antennas. In this instructable, I wanted to make a sort of clone of the ClearTV antenna that is advertized quite a bit on TV. Actually I made a prototype first just to see even if the idea worked. Then I thought I mi...
By: Computothought

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Sun, 22 Dec 2013 20:40:52 PST
BT Home Hub 3 Wireless router Antenna Modification http://www.instructables.com/id/BT-Home-Hub-3-Wireless-router-Antenna-Modification/ http://cdn.instructables.com/FS3/O6Z9/HPA3XRVD/FS3O6Z9HPA3XRVD.SQUARE2.jpg http://cdn.instructables.com/FS3/O6Z9/HPA3XRVD/FS3O6Z9HPA3XRVD.SQUARE.jpg http://cdn.instructables.com/FS3/O6Z9/HPA3XRVD/FS3O6Z9HPA3XRVD.SMALL.jpg andrew mcneil In this video I will show you how to improve the range of the BT home hub wireless router. Steps taken in this video will also work on many other routers. dipole antenna  biquad antenna
By: andrew mcneil

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Mon, 16 Dec 2013 14:03:39 PST
Dipole Antenna for 2 4 ghz Wifi http://www.instructables.com/id/Dipole-Antenna-for-2-4-ghz-Wifi/ http://cdn.instructables.com/FTI/CSN8/HP6YO6PF/FTICSN8HP6YO6PF.SQUARE2.jpg http://cdn.instructables.com/FTI/CSN8/HP6YO6PF/FTICSN8HP6YO6PF.SQUARE.jpg http://cdn.instructables.com/FTI/CSN8/HP6YO6PF/FTICSN8HP6YO6PF.SMALL.jpg andrew mcneil Dipole antennas are simple to construct and can be used in many applications. In this video I will show you how to construct a dipole antenna for the 2.4GHz spectrum. Dipole antennas are normally ½ wave but I will show you how to build a dipole greater than a ½ wave and still keep it resonant to the...
By: andrew mcneil

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Sat, 14 Dec 2013 07:30:51 PST
Correctly Install a CB Radio http://www.instructables.com/id/Correctly-Install-a-CB-Radio/
Correctly Install a CB Radio - More DIY How To Projects]]> http://cdn.instructables.com/FJ1/84XO/HP1PV661/FJ184XOHP1PV661.SQUARE2.jpg http://cdn.instructables.com/FJ1/84XO/HP1PV661/FJ184XOHP1PV661.SQUARE.jpg http://cdn.instructables.com/FJ1/84XO/HP1PV661/FJ184XOHP1PV661.SMALL.jpg az√ľkiBEAN Installing your CB radio correctly isn't difficult, and a job worth doing is worth doing well! So get ready to enjoy the wonderful world of free communication in this super simple instructable! Hardware -CB radio (Mic included)-Antenna (may already have Coax cable)-Coax cable (may already be conn...
By: azükiBEAN

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Wed, 11 Dec 2013 08:47:07 PST
Biconical Antenna 2 4GHz http://www.instructables.com/id/Biconical-Antenna-2-4GHz/ http://cdn.instructables.com/FBB/CU3J/HOUG567X/FBBCU3JHOUG567X.SQUARE2.jpg http://cdn.instructables.com/FBB/CU3J/HOUG567X/FBBCU3JHOUG567X.SQUARE.jpg http://cdn.instructables.com/FBB/CU3J/HOUG567X/FBBCU3JHOUG567X.SMALL.jpg andrew mcneil In this video I will show you how to make a Bicone or Biconical antenna for 2.4GHz applications. The Bicone antenna performs in much the same way as a Discone antenna. However you can use the Biconical antennas radiation pattern to your advantage to achieve a much longer range depending on your requ...
By: andrew mcneil

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Fri, 6 Dec 2013 09:48:25 PST
Athena: The Global Car Tracking System(3D Images) http://www.instructables.com/id/Athena-The-Global-Car-Tracking-System/
Athena: The Global Car Tracking System(3D Images) - More DIY How To Projects]]> http://cdn.instructables.com/F6H/XOH2/HNVJ134M/F6HXOH2HNVJ134M.SQUARE2.jpg http://cdn.instructables.com/F6H/XOH2/HNVJ134M/F6HXOH2HNVJ134M.SQUARE.jpg http://cdn.instructables.com/F6H/XOH2/HNVJ134M/F6HXOH2HNVJ134M.SMALL.jpg Jayvis Vineet Gonsalves Bring out your 3D glasses and enjoy viewing in a novel way! I have added a new dimension to my instructable. If you do not have 3D glasses, then you can make one yourself. The following link explains how to make 3D glasses ( link ). Please Note: This instructable contains 3D images which are best v...
By: Jayvis Vineet Gonsalves

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Mon, 11 Nov 2013 11:26:56 PST
Helical Antenna 5 8GHz 4 Turn http://www.instructables.com/id/Helical-Antenna-5-8GHz-4-Turn/ http://cdn.instructables.com/FJN/SXYY/HNRL5NMK/FJNSXYYHNRL5NMK.SQUARE2.jpg http://cdn.instructables.com/FJN/SXYY/HNRL5NMK/FJNSXYYHNRL5NMK.SQUARE.jpg http://cdn.instructables.com/FJN/SXYY/HNRL5NMK/FJNSXYYHNRL5NMK.SMALL.jpg andrew mcneil Part two of three videos for a first person view setup. Template can be downloaded here: https://docs.google.com/file/d/0BzmJxxD-Z4B6dUVpcm9wZm9GcTQ/edit?usp=sharing
By: andrew mcneil

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Fri, 8 Nov 2013 12:51:10 PST
Long Range Yagi Antenna 19 Element 2.4GHz http://www.instructables.com/id/Long-Range-Yagi-Antenna-19-Element-2-4GHz/ http://cdn.instructables.com/FVV/RWVP/HLZRKUG3/FVVRWVPHLZRKUG3.SQUARE2.jpg http://cdn.instructables.com/FVV/RWVP/HLZRKUG3/FVVRWVPHLZRKUG3.SQUARE.jpg http://cdn.instructables.com/FVV/RWVP/HLZRKUG3/FVVRWVPHLZRKUG3.SMALL.jpg andrew mcneil Yagi Antenna 19 Element (Yagi in a drainpipe)! Easy build yagi that gives at least 15dbi. A long range antenna for 2.4 ghz wifi 802.11 b/g/n frequencies. Yagi antennas exhibit a narrow beamwidth and high front to back ratios to help minimise any potential interference to and from other systems. Temp...
By: andrew mcneil

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Sun, 29 Sep 2013 10:02:30 PDT
Antenna Balun for a Folded Diapole http://www.instructables.com/id/Antenna-Balun-for-a-Folded-Diapole/
Antenna Balun for a Folded Diapole - More DIY How To Projects]]> http://cdn.instructables.com/FL1/N6V0/HKZ9J114/FL1N6V0HKZ9J114.SQUARE2.jpg http://cdn.instructables.com/FL1/N6V0/HKZ9J114/FL1N6V0HKZ9J114.SQUARE.jpg http://cdn.instructables.com/FL1/N6V0/HKZ9J114/FL1N6V0HKZ9J114.SMALL.jpg raikut Every body sometime or the other will come to a point of installing an antenna, and here i would like readers to shed light on the Baluns that will be very useful for feeding a Folded Diapole as shown in the figure. A Folded diapole antenna has a central impedance of 300 Ohms and thus, you will need...
By: raikut

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Sun, 8 Sep 2013 03:12:15 PDT
USB Wireless Antenna Modification http://www.instructables.com/id/USB-Wireless-Antenna-Modification/ http://cdn.instructables.com/FDO/YQPR/HKZAW705/FDOYQPRHKZAW705.SQUARE2.jpg http://cdn.instructables.com/FDO/YQPR/HKZAW705/FDOYQPRHKZAW705.SQUARE.jpg http://cdn.instructables.com/FDO/YQPR/HKZAW705/FDOYQPRHKZAW705.SMALL.jpg andrew mcneil USB Wi-Fi adapter external antenna modification.  Improve signal strength and flexibility to add different types of antennas. TP LINK TL-WDN3200 Wireless N600 Dual Band USB Adapter
By: andrew mcneil

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Sun, 1 Sep 2013 22:43:25 PDT
Double Biquad Antenna for the 2 4GHz Band http://www.instructables.com/id/Double-Biquad-Antenna-for-the-2-4GHz-Band/ http://cdn.instructables.com/FZ9/AKA6/HKUD44YK/FZ9AKA6HKUD44YK.SQUARE2.jpg http://cdn.instructables.com/FZ9/AKA6/HKUD44YK/FZ9AKA6HKUD44YK.SQUARE.jpg http://cdn.instructables.com/FZ9/AKA6/HKUD44YK/FZ9AKA6HKUD44YK.SMALL.jpg andrew mcneil Fully detailed construction of a 16dB gain Double Biquad Antenna for the 2.4GHz wifi band. The biquad is a very simple design but care must be taken when measuring each wavelength. Made correctly it is extremely powerful. There are lots of blogs and videos on the internet showing how to build these,...
By: andrew mcneil

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Mon, 26 Aug 2013 23:01:50 PDT
Indoors Fractal HDTV Antenna http://www.instructables.com/id/Indoors-Fractal-HDTV-Antenna/
Indoors Fractal HDTV Antenna - More DIY How To Projects]]> http://cdn.instructables.com/FIU/5LFZ/HKPX8YKM/FIU5LFZHKPX8YKM.SQUARE2.jpg http://cdn.instructables.com/FIU/5LFZ/HKPX8YKM/FIU5LFZHKPX8YKM.SQUARE.jpg http://cdn.instructables.com/FIU/5LFZ/HKPX8YKM/FIU5LFZHKPX8YKM.SMALL.jpg tigers58 This antenna design grew out of my attempts to build an indoor HDTV antenna using fractal patterns after  I had watched a TV show and had read a magazine article on the use of fractal patterns in cell phone antennas,  My goal was to design an antenna that not only worked well, but one that was easy ...
By: tigers58

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Sun, 25 Aug 2013 14:54:08 PDT
5GHz Coax Dipole Omnidirectional Antenna http://www.instructables.com/id/5GHz-Coax-Dipole-Omnidirectional-Antenna/ http://cdn.instructables.com/FQT/3PQ8/HKJTATBF/FQT3PQ8HKJTATBF.SQUARE2.jpg http://cdn.instructables.com/FQT/3PQ8/HKJTATBF/FQT3PQ8HKJTATBF.SQUARE.jpg http://cdn.instructables.com/FQT/3PQ8/HKJTATBF/FQT3PQ8HKJTATBF.SMALL.jpg andrew mcneil 5GHz coax dipole, omnidirectional antenna. Normally these antennas are made entirely from coax. My method though replaces the outer braided copper wire with metal tubes cut to the correct wavelength. This method is much easier to construct and get the wavelength correct in each section of the antenn...
By: andrew mcneil

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Mon, 19 Aug 2013 22:20:31 PDT
Sector Antenna for 5GHz wifi http://www.instructables.com/id/Sector-Antenna-for-5GHz-wifi/ http://cdn.instructables.com/FN4/INWL/HJKC7OTQ/FN4INWLHJKC7OTQ.SQUARE2.jpg http://cdn.instructables.com/FN4/INWL/HJKC7OTQ/FN4INWLHJKC7OTQ.SQUARE.jpg http://cdn.instructables.com/FN4/INWL/HJKC7OTQ/FN4INWLHJKC7OTQ.SMALL.jpg andrew mcneil It is a centre-fed broadside array antenna, based on the Franklin Antenna It has high gain but a very narrow focus beam You will often find these antennas on mobile phone masts in an array setup of 6 or more. ¼ wave 12.93mm ½ wave 25.86mm Back Reflector 35mm by 240mm http://en.wikipedia.org/wiki/S...
By: andrew mcneil

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Sun, 11 Aug 2013 21:46:27 PDT
Cheap wall antenna. http://www.instructables.com/id/Cheap-wall-antenna/
Cheap wall antenna. - More DIY How To Projects]]> http://cdn.instructables.com/F3U/KOKV/HJKC2IRG/F3UKOKVHJKC2IRG.SQUARE2.jpg http://cdn.instructables.com/F3U/KOKV/HJKC2IRG/F3UKOKVHJKC2IRG.SQUARE.jpg http://cdn.instructables.com/F3U/KOKV/HJKC2IRG/F3UKOKVHJKC2IRG.SMALL.jpg Computothought Simple TV antenna kit.  Saw this antenna (lknown as the Walltenna) advertised for about thirty five dollars. We could not see paying that for such a simple design, so we made one ourself.  We was surprised how well it worked even for the crude model we made, excepting maybe one station that I really...
By: Computothought

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Thu, 1 Aug 2013 03:25:13 PDT
5 GHz Collinear Antenna http://www.instructables.com/id/5-GHz-Collinear-Antenna/ http://cdn.instructables.com/FYG/TJSH/HJKC6HVT/FYGTJSHHJKC6HVT.SQUARE2.jpg http://cdn.instructables.com/FYG/TJSH/HJKC6HVT/FYGTJSHHJKC6HVT.SQUARE.jpg http://cdn.instructables.com/FYG/TJSH/HJKC6HVT/FYGTJSHHJKC6HVT.SMALL.jpg andrew mcneil 5 Hz collinear antenna This video is the start of many based around the design of 5 Hz antennas for the Wi-Fi spectrum. The collinear antenna is an omnidirectional antenna much like the rubber duck dipole antenna. The main advantage of collinear antenna is its simple structure and relatively small d...
By: andrew mcneil

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Mon, 29 Jul 2013 23:57:14 PDT
Simple CB base station antenna http://www.instructables.com/id/Simple-CB-base-station-antenna/
Simple CB base station antenna - More DIY How To Projects]]> http://cdn.instructables.com/FF0/THSY/HJKC3VL3/FF0THSYHJKC3VL3.SQUARE2.jpg http://cdn.instructables.com/FF0/THSY/HJKC3VL3/FF0THSYHJKC3VL3.SQUARE.jpg http://cdn.instructables.com/FF0/THSY/HJKC3VL3/FF0THSYHJKC3VL3.SMALL.jpg rbodell This is a simple base station CB antenna You can make in 30 minutes out of a bit of PVC pipe and fittings, some wire and a SO239 coax connector and a piece of coax to connect it to your radio. You should have a 1.5 SWR on this. You should be able to build this for about 10 to 15 dollars. Materials...
By: rbodell

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Thu, 25 Jul 2013 17:25:19 PDT
Cookie Tin HD TV Antenna http://www.instructables.com/id/Cookie-Tin-HD-TV-Antenna/
Cookie Tin HD TV Antenna - More DIY How To Projects]]> http://cdn.instructables.com/FGJ/A734/HINNZC2E/FGJA734HINNZC2E.SQUARE2.jpg http://cdn.instructables.com/FGJ/A734/HINNZC2E/FGJA734HINNZC2E.SQUARE.jpg http://cdn.instructables.com/FGJ/A734/HINNZC2E/FGJA734HINNZC2E.SMALL.jpg MrRedBeard This is a simple no matching transformer needed HDTV antenna made from a cookie tin. This antenna is designed for the lower end frequencies that are in use by HDTV but performs well through out the entire frequency set. The template should making construction a bit easier.  This is my first Instruc...
By: MrRedBeard

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Fri, 5 Jul 2013 09:04:32 PDT
Powerful Modern Homemade HDTV Antenna http://www.instructables.com/id/Powerful-Modern-Homemade-HDTV-Antenna/
Powerful Modern Homemade HDTV Antenna - More DIY How To Projects]]> http://cdn.instructables.com/FA1/WJ3Z/HIPIQWT4/FA1WJ3ZHIPIQWT4.SQUARE2.jpg http://cdn.instructables.com/FA1/WJ3Z/HIPIQWT4/FA1WJ3ZHIPIQWT4.SQUARE.jpg http://cdn.instructables.com/FA1/WJ3Z/HIPIQWT4/FA1WJ3ZHIPIQWT4.SMALL.jpg HollyMann TV Antennas have been around for many years - and people have tried all sorts of unsightly things to "fix" them or make them work better - anything from attaching a metal clothes hangar to aluminum foil! I realized it doesn't work and I don't want to waste my money on more of these faulty antennas. ...
By: HollyMann

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Thu, 4 Jul 2013 14:22:27 PDT
Quality Directional Antenna for USB dongle http://www.instructables.com/id/Quality-24Ghz-Directional-Antenna-for-USB-dongle/ http://cdn.instructables.com/F3V/VI8X/HIGF1ELV/F3VVI8XHIGF1ELV.SQUARE2.jpg http://cdn.instructables.com/F3V/VI8X/HIGF1ELV/F3VVI8XHIGF1ELV.SQUARE.jpg http://cdn.instructables.com/F3V/VI8X/HIGF1ELV/F3VVI8XHIGF1ELV.SMALL.jpg krehator Making a quality antenna to boost your USB dongle signal is actually quite easy, and you probably have everything you need laying around the house.  This design increased my signal by about 14dbi of gain!  Not bad at all.  I built it for temporary outdoor use as well.  Let's go through the process. ...
By: krehator

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Fri, 28 Jun 2013 20:26:54 PDT
Quarter Wave Dual Band VHF/UHF Ham Radio Antenna http://www.instructables.com/id/Quarter-Wave-Dual-Band-VHFUHF-Ham-Radio-Antenna/
Quarter Wave Dual Band VHF/UHF Ham Radio Antenna - More DIY How To Projects]]> http://cdn.instructables.com/F57/6XHQ/HI3TJPDP/F576XHQHI3TJPDP.SQUARE2.jpg http://cdn.instructables.com/F57/6XHQ/HI3TJPDP/F576XHQHI3TJPDP.SQUARE.jpg http://cdn.instructables.com/F57/6XHQ/HI3TJPDP/F576XHQHI3TJPDP.SMALL.jpg asni73 A Simple & Cheap Dual band antenna will save you having two different antennas for UHF and VHF Step 1 You will need copper or brass welding rod cut to 3 X 19.5"  length, a bit longer, eg 20" is OK if you have a SWR meter and want to cut it to tune it 3 X 6.5"    length, a bit longer eg  7" is OK ...
By: asni73

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Thu, 20 Jun 2013 03:38:25 PDT
Spiral antenna. http://www.instructables.com/id/Spiral-antenna/
Spiral antenna. - More DIY How To Projects]]> http://cdn.instructables.com/FA4/7LGE/HJKBXWB5/FA47LGEHJKBXWB5.SQUARE2.jpg http://cdn.instructables.com/FA4/7LGE/HJKBXWB5/FA47LGEHJKBXWB5.SQUARE.jpg http://cdn.instructables.com/FA4/7LGE/HJKBXWB5/FA47LGEHJKBXWB5.SMALL.jpg Computothought Just a simple bipolar antenna that has no scientific basis for how it was done. Other antennas to look at: http://www.instructables.com/id/Antennas-TV-Wifi-and-etc/ Note: The antenna  was able to capture all the channels, but with all the metal around at the level of the antenna, reception was poo...
By: Computothought

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Mon, 17 Jun 2013 21:21:40 PDT
How to Build and Tune an AM Radio http://www.instructables.com/id/How-to-Build-and-Tune-an-AM-Radio/
How to Build and Tune an AM Radio - More DIY How To Projects]]> http://cdn.instructables.com/FS6/Q2S5/HGU2JK8C/FS6Q2S5HGU2JK8C.SQUARE2.jpg http://cdn.instructables.com/FS6/Q2S5/HGU2JK8C/FS6Q2S5HGU2JK8C.SQUARE.jpg http://cdn.instructables.com/FS6/Q2S5/HGU2JK8C/FS6Q2S5HGU2JK8C.SMALL.jpg nyc640 Introduction and Motivation The purpose of this Instructable is to demonstrate how to design and build a resonator circuit that will let us tune to a given AM radio frequency. We will also briefly discuss how radio frequencies are transmitted and how amplitude modulation (AM) works. Equipment ...
By: nyc640

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Sun, 19 May 2013 19:02:41 PDT
Build a CB Ariel / Antenna 1/4 wave for less than a ¬£1 WIFI http://www.instructables.com/id/Build-a-CB-Ariel-Antenna-14-wave-for-less-than-/ http://cdn.instructables.com/FEW/NBHG/HGH6PE7Z/FEWNBHGHGH6PE7Z.SQUARE2.jpg http://cdn.instructables.com/FEW/NBHG/HGH6PE7Z/FEWNBHGHGH6PE7Z.SQUARE.jpg http://cdn.instructables.com/FEW/NBHG/HGH6PE7Z/FEWNBHGHGH6PE7Z.SMALL.jpg mick bull Have you ever had horrible neighbours or a non understanding landlord who would moan if you put a CB ariel on the side of the house ?, I have but came up with this cheap and easy to make solution. Make it in your loft or attic in less than an hour for less than £1 and only you will know its there. I...
By: mick bull

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Wed, 8 May 2013 17:46:54 PDT
OTA HDTV Antenna from Construction Waste http://www.instructables.com/id/OTA-HDTV-Antenna-from-Construction-Waste/
OTA HDTV Antenna from Construction Waste - More DIY How To Projects]]> http://cdn.instructables.com/FQG/3QJW/HBUZHAI1/FQG3QJWHBUZHAI1.SQUARE2.jpg http://cdn.instructables.com/FQG/3QJW/HBUZHAI1/FQG3QJWHBUZHAI1.SQUARE.jpg http://cdn.instructables.com/FQG/3QJW/HBUZHAI1/FQG3QJWHBUZHAI1.SMALL.jpg Drunken_Kitten How to make a free*, fast and easy OTA (over the air) HDTV Antenna from Construction Waste. After finding i no longer watched tv and had turned to the Internet for entertainment i had decided to stop giving Rogers my money. Altho after a few months i started to miss it, and with an idea my roommate...
By: Drunken_Kitten

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Fri, 5 Apr 2013 10:47:53 PDT
Mobile wifi antenna http://www.instructables.com/id/Mobile-wifi-antenna/
Mobile wifi antenna - More DIY How To Projects]]> http://cdn.instructables.com/FOC/AP9L/HEXSDS2B/FOCAP9LHEXSDS2B.SQUARE2.jpg http://cdn.instructables.com/FOC/AP9L/HEXSDS2B/FOCAP9LHEXSDS2B.SQUARE.jpg http://cdn.instructables.com/FOC/AP9L/HEXSDS2B/FOCAP9LHEXSDS2B.SMALL.jpg ROD917 Turn a external usb antenna into a mobile wifi antenna to get a better wifi signal. I work approximately 24 hours from my vehicle each week. I use my laptop while in my vehicle to access public wifi. My internal wifi antenna on my laptop computer does not get a good wifi signal. I purchased an exter...
By: ROD917

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Tue, 2 Apr 2013 20:03:20 PDT
The Antenna experiment. http://www.instructables.com/id/The-Antenna-experiment/
The Antenna experiment. - More DIY How To Projects]]> http://cdn.instructables.com/FNP/E8JN/HJKBW6GJ/FNPE8JNHJKBW6GJ.SQUARE2.jpg http://cdn.instructables.com/FNP/E8JN/HJKBW6GJ/FNPE8JNHJKBW6GJ.SQUARE.jpg http://cdn.instructables.com/FNP/E8JN/HJKBW6GJ/FNPE8JNHJKBW6GJ.SMALL.jpg Computothought We are going to test the feasability of getting electricity from the atmosphere. We will use several kinds of antennas to put electricity to work. Just a simple dipole and unipolar antennas.. This is  intended this to be just a prototype for a much larger unit you would like to build. The antennas a...
By: Computothought

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Wed, 27 Mar 2013 05:42:38 PDT
TAKE satellite pictures of earth for under 50$ http://www.instructables.com/id/How-to-download-satellite-pictures-of-earth-for-un/ http://cdn.instructables.com/FIV/2Z7I/HAQ2U2HT/FIV2Z7IHAQ2U2HT.SQUARE2.jpg http://cdn.instructables.com/FIV/2Z7I/HAQ2U2HT/FIV2Z7IHAQ2U2HT.SQUARE.jpg http://cdn.instructables.com/FIV/2Z7I/HAQ2U2HT/FIV2Z7IHAQ2U2HT.SMALL.jpg mrworf Here is short video how to download satellite pictures of earth for under 50$. Software links: SDR Sharp:          http://sdrsharp.com/downloads/sdr-install.zip     (Tuner software) WXtoImg:              http://www.wxtoimg.com/                                           (Decoder software) Orbitron:...
By: mrworf

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Wed, 2 Jan 2013 12:56:22 PST
Improve your cell phone reception. Quick, easy, and cheap. http://www.instructables.com/id/Improve-your-cell-phone-reception-Quick-easy-a/
Improve your cell phone reception. Quick, easy, and cheap. - More DIY How To Projects]]> http://cdn.instructables.com/FIR/XBWD/H9T4PYZ2/FIRXBWDH9T4PYZ2.SQUARE2.jpg http://cdn.instructables.com/FIR/XBWD/H9T4PYZ2/FIRXBWDH9T4PYZ2.SQUARE.jpg http://cdn.instructables.com/FIR/XBWD/H9T4PYZ2/FIRXBWDH9T4PYZ2.SMALL.jpg geezer.nelson This is my first Instructable.  It is simple, cost me no money because I had the materials in my shop, and was quick.  It worked so well I thought I would share. After buying an aftermarket extended battery for my HTC Rezound cell phone I noticed that my reception was terrible.  The battery was thic...
By: geezer.nelson

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Fri, 23 Nov 2012 16:41:44 PST
433 MHz tape measure antenna -suits UHF transmitter tracking! http://www.instructables.com/id/433-MHz-tape-measure-antenna-suits-UHF-transmitte/
433 MHz tape measure antenna -suits UHF transmitter tracking! - More DIY How To Projects]]> http://cdn.instructables.com/FQR/8KHL/H8VUE9Y5/FQR8KHLH8VUE9Y5.SQUARE2.jpg http://cdn.instructables.com/FQR/8KHL/H8VUE9Y5/FQR8KHLH8VUE9Y5.SQUARE.jpg http://cdn.instructables.com/FQR/8KHL/H8VUE9Y5/FQR8KHLH8VUE9Y5.SMALL.jpg manuka This Instructable relates to the design & evaluation of a simple tape measure based 433 MHz 3 element Yagi antenna.  An effective receiver was made by  "persuading" a ~US$4 Dorji 433 MHz ASK (Amplitude Shift Keying) data module into analogue signal reception,perhaps from a companion PICAXE driven to...
By: manuka

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Thu, 1 Nov 2012 15:38:10 PDT
Stealth Gutter Antenna for Ham Radio or Shortwave http://www.instructables.com/id/Stealth-Gutter-Antenna-for-Ham-Radio-or-Shortwave/ http://cdn.instructables.com/FAR/6SYV/H6MEVVSM/FAR6SYVH6MEVVSM.SQUARE2.jpg http://cdn.instructables.com/FAR/6SYV/H6MEVVSM/FAR6SYVH6MEVVSM.SQUARE.jpg http://cdn.instructables.com/FAR/6SYV/H6MEVVSM/FAR6SYVH6MEVVSM.SMALL.jpg stangtime I have wanted to try this for a while, but never got around to it until today. I did a quick coax run to the outside gutter and grounded the braided side, then connected the feedline to an old MFJ tuner. I was surprised that the gutter tuned up at all on any bands. 10, 15 and 20 meters could be tune...
By: stangtime

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Wed, 5 Sep 2012 14:49:54 PDT
interfacing u.fl connectors http://www.instructables.com/id/interfacing-ufl-connectors/
interfacing u.fl connectors - More DIY How To Projects]]> http://cdn.instructables.com/F8C/DUN4/H5Y9VRW2/F8CDUN4H5Y9VRW2.SQUARE2.jpg http://cdn.instructables.com/F8C/DUN4/H5Y9VRW2/F8CDUN4H5Y9VRW2.SQUARE.jpg http://cdn.instructables.com/F8C/DUN4/H5Y9VRW2/F8CDUN4H5Y9VRW2.SMALL.jpg gabriellalevine This is about how to use a transmitter / receiver component that uses a communication protocol, like this WiFly rn-xv, or this xbee pro, which doesn't come with a mounted antenna.  It does have a u.fl connector. Here's how to interface this component with a proper antenna. What is a u.fl conne...
By: gabriellalevine

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Mon, 20 Aug 2012 14:42:20 PDT
Weather Station Roof Mount http://www.instructables.com/id/Weather-Station-Roof-Mount/ http://cdn.instructables.com/FLZ/5K0B/H5IRW5LP/FLZ5K0BH5IRW5LP.SQUARE2.jpg http://cdn.instructables.com/FLZ/5K0B/H5IRW5LP/FLZ5K0BH5IRW5LP.SQUARE.jpg http://cdn.instructables.com/FLZ/5K0B/H5IRW5LP/FLZ5K0BH5IRW5LP.SMALL.jpg creativeinstrumental After a severe thunderstorm damaged the existing weather station mount on the roof of our Science building, I decided that a new mount was in order. The base is pressure-treated 4x4 lumber, with 12' of unistrut making up the mast. Three stainless steel cables connect the mast to sleds containing 300...
By: creativeinstrumental

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Thu, 9 Aug 2012 12:11:50 PDT