Updated guide to setting up an APRS RX only iGate using a Raspberry Pi, RTL-SDR dongle and a pre-built image By g6nhu

Posted on April 13, 2018 by Updated guide to setting up an APRS RX only iGate using a Raspberry Pi, RTL-SDR dongle and a pre-built image.
By g6nhu

http://qso365.co.uk/2018/04/updated-guide-to-setting-up-an-aprs-rx-only-igate-using-a-raspberry-pi-rtl-sdr-dongle-and-a-pre-built-image/

Common Mode Chokes for Antenna/TL by G3TXQ

Amateur Radio (G3TXQ) - Common-mode chokes

http://www.karinya.net/g3txq/chokes/

CATSync allows you to control public WebSDR receivers

The CAT Tool for WebSDRs
CATSync allows you to control public WebSDR receivers with your real rig connected via CAT control to your computer. It supports the classical WebSDR as well as Kiwi SDR interfaces.

https://catsyncsdr.wordpress.com/

Loop Antenna Design and Analysis by Glen E. Gardner, Jr. AA8C

A MORE EFFICIENT MAGNETIC LOOP ANTENNA

Variations on a Theme Continued

Glen E. Gardner, Jr.

AA8C

Updated 8/17/2014

http://gridtoys.com/glen/loop/loop3.html

HF Voyager: an ocean-going drone with a KX3

HF Voyager: an ocean-going drone with a KX3

• https://ae5x.blogspot.co.uk/2018/03/hf-voyager-ocean-going-drone-with-kx3.html
• http://www.jrfarc.org/hf-voyager/
• http://hfvportal.jrfarc.org/

Software-Defined Radios: Products and Math

Software-Defined Radios

https://arachnoid.com/software_defined_radios/

Raspberry Pi: Running an SDR by M0PSX

Raspberry Pi: Running an SDR
By Pete M0PSX29 January 2018

https://www.essexham.co.uk/news/raspberry-pi-as-an-sdr.html