Re: [IRCA] Arizona TP March 12th

[d1028gary@xxxxxxxxxxx]

Brian, 
 
Thanks also for your interesting and detailed TP-DXing report from Arizona this morning. It's always nice to know how Asian propagation varies in places far away from here (even though it can also vary a lot between here and Seattle, 35 miles north :-) 
 
I think a lot of the different TP-DXing results here in the Puget Sound area (for Bruce, Nick and I) are due to the different antennas being used. Like your 6-foot tuned loop, myÂ15" FSL antenna is a tunable, single-optimized-frequency design which has a reputation for good sensitivity on the low band. Bruce and Nick are using much larger broadband loops, which in combination with their sensitive SDR receivers usually provide better high band results. 
 
73, Gary DeBock (in Puyallup, WA) 
 

----- Original Message -----

From: "Brian Rachford" <azswdxing@xxxxxxxxx> 
To: "Mailing list for the International Radio Club of America" <irca@xxxxxxxxxxxxxxxx> 
Sent: Thursday, March 12, 2015 5:57:15 PM 
Subject: [IRCA] Arizona TP March 12th 

(6-foot tuned loop, 23-foot vertical, Quantum Phaser, RTL-SDR) 

I think Gary's description of conditions as "vibrant" fits here as well. 
There seemed to be two broad signal peaks from Japan, one centered near 
5:25am MST (1225UT) and another centered near 6:20am MST (1320UT). ÂLocal 
sunrise was at 6:45am MST (1345UT). ÂI had a little equipment problem that 
took me off the air at 1337UT, but conditions were way down by that point. 

I finally caught some good audio during the English lessons on 774-JOUB 
during the 1200-hour peak. ÂLet the record show that the first intelligible 
English I've received on the AM BCB from overseas was the ever-popular 
question "Were you taken to the hospital?". ÂI also picked up some weak 
audio on presumed 747-JOIB during the 1300-hour peak. 

As far as Korea, although 1566-HLAZ wasn't very strong this morning, I did 
catch some audio from presumed 972-HLCA shortly after 6am MST (13UT) that 
sounded Korean. ÂI also picked up some weak audio on 1593 which might have 
been China, but it would have been too weak to try to look for parallels on 
shortware. 

Some recordings are available at: 
https://azswdxing.wordpress.com/2015/03/13/log-am-bcb-march-12th-trans-pacific-reception/ 

I had quite a few carriers on the low band including a couple that were 
near audio, and there were probably others, but with my tuned antennas I 
can't monitor everything and still get optimal recordings. ÂI mostly ignore 
the middle of the band since there isn't anything strong there. 

Summary: 
Fair-good audio: 774, 972 
Marginal-weak audio: 747, 1566, 1593 
Strong carriers: 828, 864 
Other carriers: 693, 738, 765, 873, 945, 963, 981, 1422, 1503, 1521, 1557 

Brian Rachford - Prescott, AZ 
azswdxing@xxxxxxxxx 
http://azswdxing.wordpress.com/ 
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