(tr)USDX is an amazing little kit. 57 from norway to Bulgaria and Italy on 20m usb today : r/amateurradio

Artudatech Upgraded (tr) uSDX 5 Band HF Ham Radio QRP Transceiver for CW/LSB/USB and AM/FM - AliExpress

tr)USDX is an amazing little kit. 57 from norway to Bulgaria and Italy on 20m usb today : r/amateurradio

Homebrew uSDX TRX – F5NPV – V85NPV

Tiny z-match tuner for the (tr)uSDX transceiver - Southern Peninsula Amateur Radio Club

HP2AT/QRP - Callsign Lookup by QRZ Ham Radio

tr)uSDX kit – UK group buy #2 – M0ICR – Radio and Electronics

5175 best Bulgarians images on Pholder

HP2AT/QRP - Callsign Lookup by QRZ Ham Radio

Early days with the Chinese uSDR / uSDX reveals weaknesses

HP2AT/QRP - Callsign Lookup by QRZ Ham Radio

UNISTRONG G970 bbcgeoinstruments

Early days with the Chinese uSDR / uSDX reveals weaknesses

Early days with the Chinese uSDR / uSDX reveals weaknesses

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Artudatech Upgraded (tr) uSDX 5 Band HF Ham Radio QRP Transceiver for CW/LSB/USB and AM/FM