[CQ-Contest] What's with the power = 0 watts exchange?

Ron Notarius W3WN wn3vaw at verizon.net
Sun Feb 18 21:17:07 EST 2018

I heard a few of the "T T" stations during the weekend.  As it turned out, I didn't manage to work them (only a part time effort this year due to family obligations).

At the time, I figured they were sending (as others did) or trying to send "E T T" as a cut for 100, and the dit was missing or I just wasn't hearing it.  Now I'm not so sure.

IMHO, if you worked one of them, log what you heard.  If in doubt, make a note in the Cabrillo notes lines or elsewhere to the Contest Desk... excuse me, Radiosport Desk... about it.  

73, ron w3wn

-----Original Message-----
From: CQ-Contest [mailto:cq-contest-bounces at contesting.com] On Behalf Of John W
Sent: Sunday, February 18, 2018 1:59 PM
To: CQ Contest
Subject: [CQ-Contest] What's with the power = 0 watts exchange?

I'm playing a little in the ARRL DX contest and I've noticed something new that I don't recall from previous years.  Several DX stations have sent their power as zero watts.  I've received  5NN T,   5NN TT,  and 5NN TTT   so far.

(For some reason, nobody is sending something more precise like 0.0  (would that be  TRT?)

What is the reason for this?   I must have missed the memo.

At least one of the stations was in Puerto Rico. So I was wondering if his zero meant that he has no commercial power at his station.  Maybe I'm reading into it too much?

And one South American sent "LP" for his power.  So does that mean he is using a generator that runs on Liquid Propane?  😉

The rules at http://www.arrl.org/arrl-dx say:

4.2 DX stations send signal report and power (number or abbreviation indicating approximate transmitter output power).

Where I come from, transmitter power is measured in units called WATTS.

So I would expect the exchange to be either a number, or an abbreviation for a number, for example using 'cut' numbers.   "LP" is not exactly that.   But I get it - it probably means 100 watts, or at least "no amplifier".   But what does TTT mean?  That must mean "approximately 0.499 watts or less".   Yet the guy was 10 dB over S9, so I doubt that.

Ahh well, got to do something to keep it interesting when condx are in the toilet.

Hope everybody caught the brief but glorious 10m opening this afternoon.

P40W was 15 dB over S9 in NNJ for more than 10 minutes!




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