CQ-Contest
[Top] [All Lists]

Re: [CQ-Contest] Question on how transmitter power category is figured

To: "lstoskopf@cox.net" <lstoskopf@cox.net>
Subject: Re: [CQ-Contest] Question on how transmitter power category is figured
From: Randy Thompson <k5zd@outlook.com>
Date: Thu, 6 Apr 2023 04:18:09 +0000
List-post: <mailto:cq-contest@contesting.com>
Good question.

The rules for the CQWW and CQ WPX contest set the limit at “total output power.”

That means output from the transmitter/amplifier. NOT power at the antenna.

Other contests may specify differently.

Randy K5ZD

> On Apr 5, 2023, at 9:57 PM, lstoskopf@cox.net wrote:
>
> 38.80835593087689, -97.51169124812611  (or so!)
>
> A long question for which I'm afraid I know the answer!
>
> I own 80 acres at the above location known as Iron Mound, near Salina, 
> Kansas. I have operated from there for the past 30 plus years.  I'm not a 
> rabid contester, but enjoy working the SSB contests as activity events.  
> Usually on 20, 15, and 10M as I get tired (at age 84!).  I've used everything 
> from dipoles, Moxon's, Inv V, etc at various heights.  My usual antenna is a 
> 4 el. SteppIR at 40 ft positioned near the NE edge.  Using manual slope 
> measurements, K6TU's info and HFTA it seems that no matter the band, about 45 
> ft height gets me a signal on the far horizon to wherever. We're using slope, 
> not height for gain and this gives a single lobe to EU.   With 1500 watts I'm 
> almost always able to break a pile first call and hear stations early in the 
> openings, sometimes getting a comment like, "Is the band open to central US?" 
>  It's usually pretty quiet.  So I've been playing the slopes since way back 
> reading Moxon.  I'm able in a few hours to work all of the big boys and 
> seldom call CQ a
> s I'm not good at handling self generated piles.
>
> I have a large antenna junk pile and some resources.  The SteppIR is down 
> again after two days of 50+ mph Kansas wind up the slope.  The dog and I were 
> hiking the other day and I'm dreaming:  Just for fun, what if I put a Moxon 
> on the NE corner to EU, another on the SE corner taking care of SA, and a 
> third on the NW corner for JA and VK and things in between.   I work them OK 
> from the fixed antenna, but ...   Problem is that those 3 locations are all 
> about 250 ft or so from the shack.  Critters eat coax.  Big coax is 
> expensive. etc.  I've got two rigs but putting  linears out there brings on 
> the power problem.
>
> So what if I run some old RG8 to each, calibrate the loss to each antenna, 
> and just run the shack linear with enough power to get 100 watts to the 
> selected antenna?  Then I could run in the 100 watt category?  I'm splitting 
> hairs and am not going to win anything, but just having fun.  Or should  just 
> run wide open and play with the big boys with several hundred feet of coax 
> loss in line?  The choice latter makes a difference in which coax I choose to 
> sacrifice.
>
> Who knows the REAL rules on power?  Thanks,  N0UU
> _______________________________________________
> CQ-Contest mailing list
> CQ-Contest@contesting.com
> http://lists.contesting.com/mailman/listinfo/cq-contest
_______________________________________________
CQ-Contest mailing list
CQ-Contest@contesting.com
http://lists.contesting.com/mailman/listinfo/cq-contest
<Prev in Thread] Current Thread [Next in Thread>