[A-DX] SWRG#253 / IARUMS newsletter - Military intruders in ham radio bands

Roger Thauer
Samstag, 23. April 2022, 23:44 Uhr

http://www.rhci-online.net/radiogram/SW_Radiogram_2022-04-22.htm#IARUMS

......
Also, military modes that we had not observed for long time, such
as the Russian digital mode T-230-1A, also known as "Mahovik"
were copied.

The International Amateur Radio Union Monitoring System (IARUMS)
Region 1 March 2022 newsletter can be read at:
https://www.iaru-r1.org/wp-content/uploads/2022/04/IARUMS-R1-Newsletter-2022-03.pdf

http://www.southgatearc.org/news/2022/april/iarums-newsletter-military-intruders-in-ham-radio-bands.htm


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


https://youtu.be/yfEM214X3DA
"T-230-1A Маховик, "Flywheel" in Russian, is a PSK based mode that can 
transmit both voice and data. It is transmitted from a Russian T-230-1A 
radio transceiver. From the signal, it seems to support at least BPSK 
modulation."


roger