Most places in the US use 25 KHz channels on the 70cm band. I’m told that there are some places that use 20 KHz channels. There is good information on this at the Ham Radio School website. Here is a […] ↓ Read the rest of this entry…
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Posts Tagged UHF
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After investing about 30 hours of time to troubleshoot problems with a Vertex VXR-7000 recently, I discovered that the software for programming the radio is to blame for a host of problems. If you are using these radios for amateur […] ↓ Read the rest of this entry…
While working on interfacing the UHF VXR-7000 radio to the URI, I realized that I needed to reprogram the transmitter. It had previously been programmed to transmit a CTCSS of 100.0 Hz. That’s fine but I want app_rpt to handle […] ↓ Read the rest of this entry…
Information regarding my amateur radio activities has been in high demand lately. Not only have people asked for details about HF operations and my experimentation with Linux and Arduino, the most frequent requests have been for information about the Schweitzer […] ↓ Read the rest of this entry…
As I write this it’s the wee hours of the morning. Josh and I spent the better part of Saturday working on the repeaters. We then took them up and re-installed them on the mountain. We got back to 911 […] ↓ Read the rest of this entry…