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Costa Rica Call Sign Prefixes and Foreign Operating Requirements 4 Aug 2013 | 04:38 am
Costa Rica's Call Sign Prefixes Every once in a while, a radio amateur contacts me about the rules for foreign operators, which leads to the question of which call sign prefix they should use for the...
Final Modifications to My 20 Meter Extended Double Zepp 28 Jul 2013 | 07:01 pm
Nice sunrise, eh? But, wait, what is that funny wire with holes in it at the top of the photo? Well, actually, that is the feed line from my VK2ABQ that sits on a mast at the side of the house, but be...
Homebrew Ladder Line for my 200 Foot All-band Doublet 28 Jul 2013 | 06:52 pm
Drilling the Zareba insulators for 14 AWG wire After my last post, there was still another day and a half of trimming trees to get a clear path for the doublet. I cut or trimmed at least twice what I...
Ham Radio Wallpaper from 2012 ARRL DX Contest 29 Apr 2013 | 09:03 am
One year plus about a month's delay in our usual mail forwarding scheme it took for my ARRL DX CW award certificate to arrive! I'd been wondering if I was supposed to apply for the award beyond just s...
Ham Radio Wallpaper from 2012 ARRL DX Contest 29 Apr 2013 | 09:03 am
One year plus about a month's delay in our usual mail forwarding scheme it took for my ARRL DX CW award certificate to arrive! I'd been wondering if I was supposed to apply for the award beyond just s...
WebSDR Server New and Improved Update 19 Mar 2013 | 01:02 am
A few days ago, Pieter-Tjerk de Boer, PA3FWM, e-mailed an update to the WebSDR server code, and I installed it yesterday. It's now running on my Linux box for my 30 meter Softrock II Lite SDR at the u...
WebSDR Server New and Improved Update 17 Mar 2013 | 11:31 pm
A few days ago, Pieter-Tjerk de Boer, PA3FWM, e-mailed an update to the WebSDR server code, and I installed it yesterday. It's now running on my Linux box for my 30 meter Softrock II Lite SDR at the u...
Costa Rica Once Again Has Ham Radio Regulations 15 Feb 2013 | 01:18 am
Long-time readers of Cloud Warmer have read about the ongoing saga of ham radio regulation here in Costa Rice here, here, and here. Given what appeared to be little or no effort in formulating new reg...
Costa Rica Once Again Has Ham Radio Regulations 15 Feb 2013 | 01:18 am
Long-time readers of Cloud Warmer have read about the ongoing saga of ham radio regulation here in Costa Rice here, here, and here. Given what appeared to be little or no effort in formulating new reg...
A Better Diagram for the 74HC240 QRPp TX 12 Jan 2013 | 04:45 am
Another example (with clearer diagram) of the 74HC240 digital IC based QRP transmitter that I posted about previously. 74HC240 IC CW Transmitter Puts Out 500 mW This one also has values for the VX....
