Instructables

TAKE satellite pictures of earth for under 50$

video TAKE satellite pictures of earth for under 50$
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:                http://www.stoff.pl/                                                      (Sat track software)

Antenna links:

QFH:

          http://www.g4ilo.com/qfh.html
          http://jcoppens.com/ant/qfh/calc.en.php    (Calculator)

Cross dipole:    

          http://www.csgnetwork.com/antennaedcalc.html    (Calculator)
          http://hans.mayer.tv/html/crossdipole137.html

Info about circular polarization:

         http://sv1bsx.50webs.com/antenna-pol/polarization.html

Antenna preamp schematic:  

http://electroschematics.com/wp-content/uploads/2009/04/fm-antenna-booster.jpg

NOTE: On preamp, turn trimmers to tune to desired frequency!

List of satellites and frequencies:

NOAA 15     137.620   MHz
NOAA 17     137.500   MHz
NOAA 18     137.9125 MHz
NOAA 19     137.100   MHz
knomas5 days ago

cool !

knomas5 days ago

cool !