At the risk of appearing ignorant - what is a Ropex "First"?? I assume it is a 136kHz transmitter, but what's the spec? Also, are there any other commercial LF rigs on the market in Europe (other tha
At the risk of appearing ignorant - what is a Ropex "First"?? I assume it is a 136kHz transmitter, but what's the spec? Also, are there any other commercial LF rigs on the market in Europe (other tha