Low power mesh radios can be fun to provide point to point or point to multi-point communication over short and not so short range. So what is Meshtastic? A text-based radio-based system, that allows off-grid communication between users. A good place to start is here. You can purchase a Meshtastic unit online, they come in […]
Tag: 433
Decoding 433 MHz Signals with RTL SDR
One of the members at the radio club Merlin suggested trying out this sensor decoding program for the RTL SDR receiver. You can view and order one online for just a few pounds. The software RTL 433 is a generic sensor decoder, and it will decode and display a variety of environmental data. Despite its […]
The Good the Bad and the Ugly Part 3
The good, the bad and the ugly Part 3 If you haven’t already seen this started with Part 1 and Part 2 This evening I tested 2 common micromagnetic aerials often used as quick fixes for using the handy in the car. The last antenna is a stubby found on the Motorola MT200 series handhelds, […]