Tag Archives: MMR40

The New 40m QRP Rig Lives!

The new 40m QRP rig is alive and kicking!  The radio is heavily based on KD1JV’s 80m SSB1  transceiver.  I ended up banding it for 40m and using an Si5351a VFO with a Nokia 5110 display.  It weighs 273 grams, … Continue reading

Posted in Projects, radio communications, SOTA | Tagged , , , , | 6 Comments

Spion Kopje VT-040 and Mc Carthy Spur VT-039

As we were up for a short burst of sunny weather after a long stretch of record breaking cold and wet spring weather, it was time for a SOTA trip on Sunday. I hadn’t been to Spion Kopje before, so … Continue reading

Posted in Hiking, radio communications, SOTA | Tagged , , , , , | 4 Comments

Transceiver for Backpacking

I have been looking around for a compact SSB transceiver design to take on lightweight SOTA expeditions.  Something sized around 100mm x 100mm x30mm.  If the MST400 was a little smaller, it would be the clear choice, but the board … Continue reading

Posted in Projects, radio communications | Tagged , , , , , , , , , , , | 33 Comments