Setting optimal receive level for the Tinytrak 4
Recently I got myself a Kenwood TM-271 and wanted to give it a go on APRS with the TT4. This turned out to be more complex than expected.
Doing APRS Voice Alert with CRT 2M / Anytone AT-588
After trying and failing at getting a working APRS set-up with voice alert here is my last try with a CRT 2M Radio, a rebranded Anytone AT588.
Putting a 3.3V HC-05 module in the Tinytrak 4
If you followed my previous adventures with the Tinytrak 4 and Bluetooth you may know that I used HC05 modules which where RS232 levels capable. I bought these years ago and, as of today, they …
HC-06 and Tinytrak : Fail
A couple of month ago I Bluetooth enabled my second Tinytrak 4 using a HC-06 module. It turned out this failed after a few weeks and the HC-06 is not usable for APRS.
Bluetooth and TinyTrak 4, episode 2
I got myself a second TinyTrak 4 and wanted to Bluetooth enable it like I did for my first one. I went a different route using a different module and wiring it another way.
Using the Retevis RT98 for APRS with voice alert
My TYT THD9000 started to exhibit some strange behavior, after transmitting it sometimes needs half a second to switch back to receive. So I was in the market for a new APRS radio and came …
Putting Bluetooth into the Tinytrak 4
Byonics provides a Bluetooth add-on for the Tinytrak 4. While I love the TT4 I am not a huge fan of their TT4BT Bluetooth solution. It consists of a board with 2 DB9, no case …
APRS with Tinytrak 4 and TYT TH-9000D
After a couple of frustrations (here and here) I have finally managed to get my TYT TH-9000D running quite well with my Tinytrak 4. After a few weeks using it I must say I am …
