How to Save Analog Television - Pirate TV




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Tired of the blocky, JPEG-like resolution of digital television? Do you long for the days of RF modulation and regulated-yet-unregulated content? Do you simply have the desire to toss your converter box out the window and make use of those rabbit ear antennae that are just lying around? If so, then you might be interested in becoming a savior of analog television! This Instructable will show you how to create your own fully-fledged low-power analog television channel, with any video source(including your computer) as a source of content.
We created one that went live the minute analog tv went dead. We're still the only analog station in NYC, but please join us in making more!! Long live analog tv.

Step 1: Find a Free Channel.

The first step is to find a TV channel that isn't being used in your general vicinity. Although after the 2009 DTV transition in June a lot of "whitespace"(i.e. unused television bandwidth) became available, most of this whitespace is still legally dubious and many of these channels are still tied to the original owners via legal identity and copyright. However, because of this legal ambiguity a lot of free space is still up for the taking.

The best option for finding free space is the FCC's own search engine for these things:

Simply type in the channel (try a range of 14 to 35) and your state, along with the type of broadcasts available. Try to avoid channels that correspond to channels in your area (i.e. CBS 2 in New York). While they might be free because of the DTV transition and broadcasting in a higher channel range, they are still virtually broadcasting through that channel and might also have dibs on it for visual identity's sake.

Step 2: Find a TV Transmitter.

The next step is to find a good transmitter. There are a myriad of ways to go about this, but these are the three best ways we've come across:

1. buying multiple short-range consumer transmitters
2. commissioning a transmitter from Free Radio Berkeley Http://
3. building your own

The first is relatively cheap-yet-clumsy, the second relatively expensive-yet-simple and the third a bit less expensive but a (rewarding) challenge, but all three result in a rather robust analog broadcast.

Step 3: Step 2, Method 1: Multiple Short-range Transmitters

This method is essentially an ad-hoc broadcaster made up of lots of tiny, low-power wireless UHF audio/video transmitters. These can be bought fairly cheaply on eBay, and have a range of about 500 feet:

Most of these transmitters require an RCA composite or Coaxial input, so any video source would work. To get composite video from a computer one simply needs to buy some kind of VGA/DVI to Composite converter or a PC TV converter, which usually range from 35 to 200 dollars, depending on the quality.

The channels that these transmitters broadcast on are also adjustable; see the transmitter's instruction manual for details on that.

Networking the transmitters can be achieved by daisy-chaining the antennae with the Coaxial In/Out ports on each transmitter using long, 500-foot cables.

Step 4: Step 2, Method 2: a Commissioned Free Radio Berkeley Transmitter

The second method involves purchasing an used transmitter on ebay ( everyone is dumping them now that the digital transition has happened) or getting a custom-built transmitter from Free Radio Berkeley ( Their site has instructions for purchasing a pre-built NTSC or PAL TV transmitter, amplifier and antenna. While more expensive than the first method, the final transmitter is more powerful and dependable than the makeshift transmitter network.

Like with the previous ad-hoc broadcast method, any analog video source will work. However, if you plan on using composite video you will probably need some RCA-to-coaxial converters for the video and audio, which are really just a few bucks at radio shack.

Stephan Dunifer, the founder of Free Radio Berkeley, has been building these transmitters for the past thirty years and is very helpful if you have any questions.

Step 5: Step 2, Method 3: Building Your Own Transmitter

This method is pretty intense, but doable for the electronics folks .

In 2008 the media collective !Mediangruppe Bitnik created a freely-downloadable pocket zine that contains detailed instructions for creating your own short-range television transmitter:

This transmitter also accepts any analog video source you can throw at it.

Step 6: Install Transmitter

It's important to find a good place to setup your antenna. You want to find a high location that can transmit waves relatively unobstructed. Chimneys work great.
Long runs of cable between your antenna and the transmitter will degrade your broadcast range, so the shorter the distance the better. We decided to put our transmitter up on the roof and run the A/V cable up from our broadcast room.
In order to protect our transmitter from weather and rain, we bought a huge tupperware container and retrofitted it with holes for ventilation and cable runs to house and protect the delicate electrical components.

Step 7: Step 3: Content!

Content is key! Once you have your transmitter set, there are infinite possibilities for your new TV channel. You can use anything analog--old home video tapes, video cameras, character generators, etc.

If you're using a computer as a video source, your possibilities are potentially more infinite. However, if you still feel scraped for content there are various webscraping tools at your disposal, including Yahoo Pipes, Google Mashup Editor or Youtube's own API. Enclosed is a flow chart that explains our approach.

We create our own custom web scrapper at http://OMGimon.TV. We're happy to share our code if you're interested in building something similar or building a webscraper.

Step 8: Now Stare Into Your Tv Screen....

Nows the fun part. Sit back and relax and watch your tv station, without flipping through youtube's endless options or 1000's of mediocre cable channels.



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120 Discussions

Arsen Gabrielyan

1 year ago

Yay Tv Station is cool. i make the "lego TV" Station use pico macon, video sender

bandicam 2017-04-23 15-45-23-085.jpg
Abe Lima

2 years ago

I want my station to be a local PBS Station. I just need to sign a contract with the Public Broadcasting Service.

1 reply
cwalkowiak3Abe Lima

Reply 1 year ago

And get a license. And a transmitter. PBS isn't going to sign anything with you unless you have a license and a transmitter to cover a good amount of area.


9 years ago on Introduction

Here in the US, the FCC has absolutely no sense of humor if they think you're violating their regulations. As a ham radio operator, I read their enforcement actions on a regular basis so if you're keen on paying $25000 fines or jail time, go ahead with this. Be REALLY sure that you're in the right because even if you win your case if the FCC decides to prosecute, you'll be out thousands of dollars in legal fees, etc. They especially frown on unlicensed broadcasters using the airwaves.

10 replies

Reply 9 years ago on Introduction

Hey, I didn't tell people not to do this. I just warned of the potential consequences if they do. If a person really wanted to do this legally, he could go out, get a Technician Class Amateur Radio Operator's license then can transmit using amateur TV and be perfectly legal. They'd still have to follow FCC regulations regarding amateur transmissions. Our local ham club just had a 6 year old pass the test so it's not that tough.

Michigan Wake UpNirgal38

Reply 2 years ago

Please tell me more about this license the community of and how to get started.



Reply 7 years ago on Introduction

Yes, but the moment an Amateur radio operator in the US starts to broadcast content of interest to the general public, they are in violation of Part 97. Most reading this instructable are interest in broadcasting content to the general public not to the niche of amateur radio operators. Yes the test is not that tough, I suggest you take the test before stating what's perfectly legal.


Reply 7 years ago on Introduction

Amateur extra class license here. And I wasn't talking about general interest broadcasting. I was simply talking about what it would take to transmit an amateur TV signal legally.


Reply 7 years ago on Introduction

... and the worst of it ... they'll CONFISCATE your nice little TV station!


3 years ago

Please may you give me a link to a cheap uhf tv transmitter?

2 replies

Reply 3 years ago on Introduction

and how about TELETEXT??? first INTERNET WI-FI system from the world!!! And it all began in the 1970!!!

how to make a full functional TELETEXT internet system manual:

- BI-DIRECTIONAL analog ANTENA - tv || antena || server(s) || antena || tv

- remote with keyboard


- Television systems;
- Data transmission within Teletext

Key words: Broadcasting, data, transmission, Teletext, Radio

next stage of the process: CONVERT "EIA-608" CODING LANGUAGE TO JAVA




:) ;) (y)


2 years ago


In 2009 Analogue Television Broadcast was moved to several different parts of the spectrum, heres why you should not do this:

1) Military Passive Radars (foreign ones) were using the 6 Mcs wide TV signals to see even stealth A/C flying everywhere

2) MANY parts of the UHF spectrum formerly occupied by those noisy NTSC stations are now used for data backhaul for cell towers (LTE-DB)

3) Those cheap RF modulators are well known for causing fatal interference to the digital systems (APCO25) employed by EMS, Fire, Police, and Municipal services

4) Amateur Radio is an important service, this will cause severe interference to the 70cm amateur radio band

If you are unfortunate enough to be an RF experimenter in the USA, REALLY THINK before doing this, think "Do I live near an Air Force Base or Naval Air Station?" If the answer is YES dont even think about powering up an analogue video sender