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Re: LF: 137.5kHz QRP WSPR [better]

from [Roger Lapthorn] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: 137.5kHz QRP WSPR [better]
From: Roger Lapthorn <[email protected]>
Date: Sat, 12 Nov 2011 22:18:48 +0000
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References: <CAHAQVWOdmEErUWm6iiQXH2-Z7T5K-_1f-0tAFMQKXqsyo0N=aQ@mail.gmail.com> <[email protected]>
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Even stronger at 2146z (-19dB S/N) Dave.

Even with the current ERP I'm beginning to get out with WSPR at last. Still running the transverter PA from 13.8V, so should be able to squeeze several more dB with higher supply volts.

These are the stations that have now reported my QRP WSPR signals on 137.5kHz so far. I don't think I've missed anyone. Until last week I was running <100uW ERP but I am now running around 500-600uW ERP and the difference is noticeable.

G6ALB
G3WCD
G3XIZ (46km)
G3XVL (69km)
M0BMU (69km)
G3WCB (101km)
G3YXM (148km)
M0PPP (182km)
GW0EZY (251km)

73s
Roger G3XBM

On 12 November 2011 21:45, Dave G3WCB. <[email protected]> wrote:
Hurrah!
 
2138 -21 -1.0   0.137487 -1 G3XBM JO02 0
 
I switched back to the loop and twisted it around so that it favoured your direction...
 
73, Dave G3WCB IO91RM
-----Original Message-----
From: [email protected] [mailto:[email protected]]On Behalf Of Roger Lapthorn
Sent: 12 November 2011 20:42
To: [email protected]
Subject: Re: LF: RE: 137.5kHz QRP WSPR

Yes, still on Dave. Good luck!

73s
Roger G3XBM

On 12 November 2011 20:29, Dave G3WCB. <[email protected]> wrote:
Hi, Roger.
 
Are you still sending? I've just switched onto my onmi antenna from the 1.2m loop, which may have a null in your direction.
 
73, Dave G3WCB IO91RM
-----Original Message-----
From: [email protected] [mailto:[email protected]]On Behalf Of Roger Lapthorn
Sent: 12 November 2011 17:28
To: [email protected]; [email protected]
Subject: LF: 137.5kHz QRP WSPR

Over the weekend I'm testing with 137.5kHz WSPR again (136.0kHz USB dial setting). The ERP from the loop antenna is about 0.5-0.6mW and tomorrow I hope to raise this another 3-4dB.

So far, I have had reports from 8 different stations on 137.5kHz WSPR with best DX 251km and I am looking forward to seeing what a few more dB will do for me.

Any reports tonight and tomorrow will be appreciated.

73s
Roger G3XBM

--

http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk
https://sites.google.com/site/sub9khz/
http://qss2.blogspot.com/




--

http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk
https://sites.google.com/site/sub9khz/
http://qss2.blogspot.com/




--

http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk
https://sites.google.com/site/sub9khz/
http://qss2.blogspot.com/

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