Ailunce HS1 SSB HF SDR HAM Transceiver  ...

Upgrade my MMDVM duplex hotspot to support VHF/UHF now. Assemble them together again.  ...

SSID of the APRS protocol specification  ...

APRS Display Symbols  ...

The 2019 NRR will be held 0000 UTC March 2 to 2359 UTC March 10. Registration for the 2019 NRR is NOW OPEN!  ...

When we start to play a DMR radio, we need to get a DMR id first. If we want to use the DMR radio to the network. You need to register a DMR id, and the id is the unique identification, just like the cellphone number.  ...

Share the experience how I build a digital voice hotspot with MMDVM duplex board and Raspberry Pi  ...

It hasn't snowed for a long time this winter. There is heavy snow in our city these two days. I feel so excited. Today I take my HD1 out. it is a white world. I communicate with my friends with HD1 and really enjoyed it. Maybe the snow gives me another happy mood. I have taken some pictures and can't wait to share them with you.  ...

"I am a novice. I want to use the DMR radio, but I don't know how to start. I don't know anything about the DMR radio." In fact, it is very easy when you know its rules and parameters. From this article, I will introduce the DMR radio from the basic aspects and make you know well about it step by step.  ...

CE8LGA, Luis activating CE9 Chilean Antarctic zone using Ailunce HD1 & MMDVM hotspot.  ...