Archive for February, 2010

ARRL Emergency Communications Handbook – First Look

My latest ARRL renewal came with the usual free gift. This time I selected the “Emergency Communication Handbook.” I made a promise to the fifteen or so EmComm organizations that made an appearance during the Haiti tragedy to look at EmComm again with an open eye resulting in the ordering of this book.

Fair enough.

I was glad to order this book to see how EmComm might be done from a well organized perspective. I sat down one evening and opened it up. Here is the first sentence…
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Fancy battery posts are not always better

Good ol' lead battery post terminal.
Many hams add power hungry radios to their vehicle power systems. A preferred way to obtain the power is directly from the battery terminals.

I have been adding various gadgets to my Ford Taurus to bring battery power into my passenger area so I can get rid of my cigarette lighter plug for my 2m/440 radio.

Adding a wire to my original battery posts was a problem so I used replacement posts from the car audio market. This turned out to be a mistake.
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Half Voltage Fan Cools Power Supply with Less Noise

Does your transceiver power supply run a little too hot?

Mine sure does, but I found a simple solution that keeps things cool without a lot of whoosh noise.
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