- radios
https://wiki.gm5alx.uk/
2026-07-07T11:40:24+00:00
https://wiki.gm5alx.uk/
https://wiki.gm5alx.uk/_media/logo.pngtext/html2026-01-29T21:45:01+00:00Anonymous (anonymous@undisclosed.example.com)ft857d
https://wiki.gm5alx.uk/radios/ft857d?rev=1769723101&do=diff
FT 857d
Power
* Good reflector thread
* Blog post
4-8 Ah seems good. “6.5 Ah 3 hours @ 50 W”
FT857 RX current draw is advertised as 1A but I found it to be a bit less than that. Approximate FT857 TX current draw:
* 5W = 5.8A
* 20W = 7A
* 50W = 11A
* 100W = 16Atext/html2026-02-12T14:47:16+00:00Anonymous (anonymous@undisclosed.example.com)kx2
https://wiki.gm5alx.uk/radios/kx2?rev=1770907636&do=diff
Elecraft KX2
3rd party batteries:
* <https://www.akkuteile.de/keeppower-3s1p-18650-3500mah-10-8v-11-1v-li-ion-akkupack-mit-bms-schutz-mit-kabelanschluss_12102_3360?ReferrerID=9>
* <https://cellpacksolutions.co.uk/products/battery-packs/ansmann-standard-li-ion-3s1p-10-9v-3500mah-battery-pack/>text/html2025-12-27T16:47:40+00:00Anonymous (anonymous@undisclosed.example.com)qmx
https://wiki.gm5alx.uk/radios/qmx?rev=1766854060&do=diff
QMX
Went for 60, 40, 30, 20, 17, 15 band model.
Links for investigation:
* <https://groups.io/g/QRPLabs/topic/antenna_recommendations_for/110109667>
* <https://github.com/DG1JAN/UniBalun>
* <https://www.thingiverse.com/thing:6585607/files>
* <https://hb9sota.ch/wp-content/uploads/2021/08/Portable-7-Band-EFHW_HB9EAJ-V1.2.pdf>
Power Cables
* <https://www.ebay.co.uk/itm/388754949280>
Cases
* <https://www.amazon.co.uk/tooloflife-Microphone-Carrying-Protecting-Portable/dp/B0BGXWV5S…text/html2026-01-18T09:25:45+00:00Anonymous (anonymous@undisclosed.example.com)quansheng
https://wiki.gm5alx.uk/radios/quansheng?rev=1768728345&do=diff
Quansheng HT
Web flasher and useful info.
IJV supports 2m firmware.text/html2026-01-18T09:17:22+00:00Anonymous (anonymous@undisclosed.example.com)start
https://wiki.gm5alx.uk/radios/start?rev=1768727842&do=diff
Radios
* Yaesu FT-857d
* Elecraft KX2
* QMX
* Quansheng HT
Kenwood V71
Setting up for packet
Useful stuff so far:
* Python CAT control programme
DATA pins: 1 DATA IN, 2 GND, 3 PTTP, 4 DATA OUT, 5 AF OUT, 6 SQ
Setup sides for voice and data:
Hey Frank –
On page 83 of the manual it covers setting the data band. You will want to select B band. You will see a “D” on the right side of the rig. This confirms that the audio in and out of the 6 pin will be to THAT side of the radio. …