Amateur Radio Weekly – Issue 79

Chinese Ham sats now active
Six satellites (XW-2A to XW-2F) carry 435/145 MHz U/V linear transponders for SSB/CW communications.

Steal this Ham Radio (technology)
If you think hams just use Morse code and voice communications, you are thinking of your grandfather’s ham radio.
Hack A Day

APRS in your pocket
For a lightweight portable station, all you need is a handheld transceiver, a tiny packet TNC, and an Android smartphone.

Reverse engineer wireless traffic lights with SDR
It was very easy to see that this is AFSK1200 alternating between 1200Hz and 2400Hz.
Carriers Everywhere

All about the Amateur Radio Parity Act of 2015
ARRL dedicates single webpage to Amateur Radio Parity Act of 2015 concept and status.

Is college football a ham radio killer?
I’m attributing the big dip in sales on Saturday, September 19, to college football.

High altitude balloon travels 6,800km
Our first superpressure HAB to use solar panels for recharging the battery.
Bristol SEDS

Working DL8DJM aeronautical mobile
Aeronautical Mobile contacts are pretty rare and the team in the gazebo fell silent as Johannes DL8DJM/AM told us that he was flying from Edinburgh to South Italy, about 100km from Amsterdam at 43,000ft.
Essex Ham

Fox telemetry decoder software available
Fox-1A is scheduled to be launched on October 8, 2015.


Add APRS maps and an IGate to the Yaesu FTM-400DR
This video shows how to add APRS maps to the FTM-400DR using a cheap Windows tablet and the data cable that is included with the radio.

New York Air Traffic Control on HF
New York air traffic control on the shortwave bands, which they use for longer distance communications than the VHF comms can handle.
The Radio Hobbyist

Theory of Simplex and Phantom Circuits: Balanced Conditions
US Army training film TF11-2062 (1944)

Amateur Radio Weekly is curated by Cale Mooth K4HCK. Sign up free to receive ham radio's most relevant news, projects, technology and events by e-mail each week at

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