[ham] Re: [CW] CW in Emergency HF Comms System...

[KD5NWA]

The kind of event your describing, is a all out nuclear conflict, in which 
case you better add a good supply of arrows, survival books, and flint. Oh 
yeah, get a religion and pray it never happens.

Have you thought about the fact that ,all modern generators use solid state 
voltage regulators, so in your scenario, forget your backup generator 
unless it's an old clunker with mechanical regulation.

Another solution, if your worried about absolute worst possible case, is 
that you keep your small efficient CW station with solar panel in a 
grounded sealed metal case, so will survive, no matter what.

At 12:53 AM 6/22/2003, Gregory W. Moore wrote:
>I think I have to further explain my remarks concerning the value, and the 
>terrible disservice which has been done by simply letting it die via 
>attrition and the stupid 5 WPM test (which although better than nothing, 
>is probably, IMHO, the hardest speed to ever copy when sent either by a 
>computer or Boheme Keyer, as the spaces, letters, and words seem to become 
>all the same length.) It is ok  to QRS 5, but darn it, send the characters 
>at about at least 10-15 wpm,  so the person copying doesn't keel over from 
>sheer boredom, for in my experience, "perfect" 5 WPM morse sounds like a 
>collection of  "E" and "T" and I keep waiting for a real character to be sent.
>
>My point was not about modern riceboxes, or computers, either, for I was 
>bringing up the carnage to solid state which would result in a wide area 
>EMP pulse.  When this happens, there isn't going to be any PSK31, PSK63, 
>MT63, IMHO the best QRN/M knife their is, or any other soundcard modes 
>from one's computer, for it's input protection diodes and the small 
>junctions are going to be molten metal like the rest of the unprotected 
>solid state equipment.
>
>The point I was trying to make is first, one has to beg, borrow, steal, 
>liberate, buy, build, a VACUUM TUBE backup, which, outside of specially 
>hardened military rigs is the only comm equipment which will survive a 
>serious EMP pulse.  Make sure that you have a reliable power supply as 
>well, preferably a good old reliable dynamotor, for all the solid state 
>inverters in the world will also be toast.  Deep Cycle Marine batteries, 
>fed from a mechanical generator with both 120/240 VAC outputs and the 
>requisite 12/24VDC output is also a must, because one is not gonna be able 
>to rely on a public power grid.
>
>SNIP
>--
>"All that is necessary for the triumph of evil is that good men do nothing."
>                                                   --Edmund Burke
>
>Greg Moore NNN0BVN PA
>U.S. Navy-Marine Corps Military Affiliate Radio System (MARS)
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Cecil
KD5NWA