[Lowfer] WD2XNS WSPR

ToddRoberts2001 at aol.com ToddRoberts2001 at aol.com
Sat Feb 12 16:32:13 EST 2011


In a message dated 2/12/2011 9:23:52 A.M.  Eastern Standard Time, 
jrusgrove at comcast.net writes:


WD2XNS will be  transmitting in WSPR mode on 137.750 (136.200 dial) through 
at least mid day  today 
... barring any difficulties. I'll be away from the station on  firewood 
detail but will check on the 
(still experimental ... or is that  temperamental) TX from time to time.

Jay W1VD  WD2XNS  WE2XGR/2  


Hi Jay,
Have good copy on your 137.750 WSPR signal here today in  SC.
I have enclosed an address to a screenshot of the WSPR control  panel
so you can see the line noise QRM across your WSPR beacon. 
The  decoder seemed to be able to grab onto the signal and hold on
in spite  of the QRM.  

http://imagehost.vendio.com/a/32051022/view/WSPR02-12-11.jpg

I  can clean up the line noise if I use the noise blanker on the R75 but 
then  it
won't decode the signal. It seems to generate new spurs and interference  
with the
NB turned on when using WSPR, however the NB cleans up CW and QRSS  copy.

I set the WSPR offset to 500Hz instead of the normal 1500Hz. I  prefer to 
use the
filters in the CW mode with a 500Hz offset, plus it is a  little less 
confusing for me to be able to tune
directly to the transmitted  frequency using the R75 in CW mode.

WX  nice and clear down here  today, temp 52.

73 - Todd WD4NGG  



More information about the Lowfer mailing list