VLBI Antenna in Iowa
I went to visit the VLBI antenna near Cedar Rapids, IA one afternoon and took pictures. Here they are.
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WLOD on the air
WLOD is back on the air WLOD is now very different from the analog transmitters used thirty years ago. Now everything is digital up to the FM transmitter. After that it goes out over the air. The studio and transmitter are at my house. The server is in the cloud hosted on an AWS server…
Openwebrx+ Receiver at N9SGG
Recently, I put together a raspberry pi3 and an RTL-SDR V3 receiver. Pictures to follow.
RF Ground Site Survey
So, I need to conduct an RF survey of a ground site. The survey’s purpose is to determine if there is any QRM in the area of a ground site receiving UHF radio signals for GNSS with RTK radios. What is QRM? It’s an amateur radio shorthand for man made noise encountered when trying to…