https://www.changpuak.ch/electronics/yagi_uda_antenna_DL6WU.php

http://www.livemeteors.com/

source: http://www.eb3frn.net/?p=141 he past agoust I was build a passive radar to detect the Perseids meteor shwoer . The most easy way is locate a very away transmiter and try to se the echoes produces by the meteors ionizacion. Perseids meteor Graves radar To do the detector I used a rtlsdr receiver tuned to the Graves radar at 143.050 MHz, a… Leer más: Perseids shower using graves radar »

https://www.sigidwiki.com/wiki/Signal_Identification_Guide?fbclid=IwAR015sz-OpCF4rgR1jaTU3rWPLgUBNlluq1u9sHrrvdtkduzZVXd5wtCzFI

rpitx is a general radio frequency transmitter for Raspberry Pi which doesn’t require any other hardware unless filter to avoid intererence. It can handle frequencies from 5 KHz up to 1500 MHz. Rpitx is a software made for educational on RF system. It has not been tested for compliance with regulations governing transmission of radio signals.… Leer más: radio frequency transmitter for Raspberry Pi – rpitx »

http://volim63gtenet.mydomain.com/webservice3/old-mike/Mike/n3eaq_files/1420.htm http://www.csgnetwork.com/antennahtcalc.html

https://github.com/DrPaulBrewer/rtlsdr-automated-wxsat-capture

iqToSharp Converter RTL-SDR iq to SDRSharp WAV format. Examples Basic Custom sample rate Video

http://ajoo.blog/intro-to-rtl-sdr-part-ii-software.html