How to tune BER on MMDVM hotspot with MMDVMCal

How to tune BER on MMDVM hotspot with MMDVMCal

This is how to calibrate or tune in proper way error rate BER with mmdvmcal on hotspot. used pi-star for this video. you need download newest version of mmdvmcal and compile yourself to get this done. as time of writing this was pi-star-mmdvmcal outdated. This video also demostrates the harmonics of UHF/VHF on hotspot without any filters. page for more info:

Hotspot Offset Calibration
http://www.k9npx.com/2019/02/hotspot-offset-calibration.html

How to tune your MMDVM repeater with an SDR for low BER
https://n5amd.com/digital-radio-how-tos/tune-mmdvm-repeater-sdr-low-ber/