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By John Harper AE5X, July 27, 2010 1:43 pm

There seems to be a lot of interest in personal weather stations among ham radio ops. I started my own a little over a year ago after researching what was out there, equipment wise, and I did so thinking it would be interesting to see trends over time here at my own QTH.

What I didn’t realize at the time was how much goes on behind the scenes regarding the data flow of weather info for those stations that are tied to computers with an always-on internet connection. I learned about all that after getting set up and was/am amazed at what occurs without my having to do anything to enable it other than allowing my data to go out into the ether.

I’ll describe it in brief here, and provide relevant links to more detailed info for those considering a similar set-up. Continue reading 'Weather station data flow via APRS'»

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By John Harper AE5X, January 18, 2010 2:42 pm

Click for larger image

Within the radio hobby, we have not only hams but shortwave listeners, scanner aficionados and many other specialties. And as in ham radio, each category has subcategories – a scanner listener may be interested only in trains. A shortwave listener may only want to listen for commercial RTTY stations.

Those interested in aviation now have another venue available to them that has never before been possible. Until fairly recently, aviation buffs listened to comms on a scanner & enjoyed the routine (and every-so-often, the non-routine) pattern of communications between pilots and air traffic controllers.

That has been the extent of their participation. Until now. Continue reading 'ADS-B: Aviation’s APRS'»