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K5HDE Henry Ellis has contributed to 1 posts out of 11650 total posts
(0.01%) in 5,070 days (0.00 posts per day).
20 Most recent posts:
Digital »
PSK - Newbie Question Jul 28, 2010 08:20 AM
(Total replies: 15)
FWIW There is no "law" that 50w is the max. But there are some good reasons to run 50w. The digital modes for the most part are a 100% duty cycle to the TX and the same as setting a brick on your CW key. PSK is one of them. For the newbie, setting your TX to 50w insures that you don't accidentally run full power and risk burning out your finals. Second is that 50w will do 95% of what you want to do. I run 50W all the time out of a attic wire dipole and have done DX to the EU with a sunspot to help me out. Haven't done Asia as I'm not into waking up at 0400 local. Now more power does have its place. Every once in a while I can hear a DX. RST at 479. A tad weak but do-able. I send a call and I get back "QRZ kn". Time to kick in the power. Now I've taken the time to listen and know this station just wants a sig report and maybe a name or QTH. Nothing else. TX will be short. So I crank the power up to 75w and send again. I've yet to miss that DX and my box is still running strong. Wonder what W1AW is running when they send their daily bulletin by PSK. Happened to ask when I called them up the other day. Two 5-element stacked beams each being fed by 100w. Yeah. 200w into stacked beams. See any splatter? A very strong signal yes but that sig is clean and crisp. One tidbit that nobody has asked. What band are you working? If it's 10, and 12m. I've gotten nearly zero traffic. Zero on 12m actually. 15m and 17m isn't that bad but it's more refuges that are fed up with 20m. My QSO count went up drastically when I finally got a 20m antenna up. K5HDE Henry Ellis |
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