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Re: LF: Weak signal on 137780.3

To: "[email protected]" <[email protected]>
Subject: Re: LF: Weak signal on 137780.3
From: John Andrews <[email protected]>
Date: Sun, 4 Sep 2011 15:05:40 -0400
In-reply-to: <002d01cc6b1d$42b259b0$8d01a8c0@JAYDELL>
References: <CF05C9873C704FB7B82A927A3EB3A1FE@White> <77DE9B8329834C6882925783A5F39A72@White> <001b01cc6af5$a8f74190$8d01a8c0@JAYDELL> <[email protected]> <002d01cc6b1d$42b259b0$8d01a8c0@JAYDELL>
Reply-to: [email protected]
Sender: [email protected]
Jay,

No need to move for me! If interest stays up, I'll join in the transmitting at the end of the week. Have some chain saw work to do first on Wednesday night. 

John, W1TAG

Sent from my iPhone

On Sep 4, 2011, at 12:11 PM, <[email protected]> wrote:

John
 
Sorry for the interference. I keep forgetting that Mitch isn't exactly on 780. There is a small amount of 'wiggle room' on the DF6NM 'high sensitivity' grabber if you would like me to QSY.
 
Jay W1VD  WD2XNS  WE2XGR/2 
----- Original Message -----
Sent: Sunday, September 04, 2011 10:00 AM
Subject: Re: LF: Weak signal on 137780.3

Jay,

I wondered who the mystery signal was, less than 0.1 Hz below VE3OT, who was around 780.4. Could just make out the MP ID's. 

John, W1TAG
FN43sv

Sent from my iPhone

On Sep 4, 2011, at 7:27 AM, <[email protected]> wrote:

Markus
 
The mystery signal was from WD2XNS ... you have the time and frequency perfectly correct and the color DF also provides corroborating evidence. Note that there was no break in the transmission. The frequency is controlled by a GPS disciplined oscillator (accuracy about 13 ppt). Transmitter power was 200 watts ... radiated power is not known. During winter, with frozen ground, additional radials, lower R and less foliage, the radiated power would have been about 0.5 watt. Expect last night's test would be at least 3 - 6 dB (maybe more) below that level.
 
Jay W1VD  WD2XNS  WE2XGR/2
 
   
----- Original Message -----
Sent: Sunday, September 04, 2011 4:45 AM
Subject: Re: LF: Weak signal on 137780.3

The mystery signal was received between about 0:15 and 3:30 on 137780.310, with a 3.8 mHz downward shift from about 1:30 to 2:15 - somewhat reminiscent of a DFCW "GM". Greenish colour indicates southwesterly origin. The attached  screenshot was taken at 8 UT, timescale is 10 minutes per FFT.
 
I checked the other available TA grabbers around 4 UT, but no trace of the mystery signal.
 
73, and have a nice sunday,
Markus (DF6NM)   

Sent: Sunday, September 04, 2011 5:39 AM
Subject: LF: Weak signal on 137780.3

LF,
 
there seems to be a signal on 137780.300 Hz, about 60 nV/m here.
 
Wondering whose it may be...
 
Best wishes,
Markus
 
 
 
 
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