Re: [IRCA] NE Oregon TPs, Sunday--good for DU

["Neil Kazaross" <neilkaz@xxxxxxxxxxxxx>]

Yep..KAZ was up and at the rx by 1014 (5 min earlier than yesterday) and DU 
cx were lots worse, surprisingly as A&K are low, cx last eve were fine to 
the west(KOFI 1180 via sunset skip as is so very common) , and KLZ 560 
Denver was doing fine thru local WIND phase null this morning. But...DU's 
didn't seem to get into that extra hop needed to make it this far inland.

738 just a poor carrier past WGN IBOC and 702 not even that good. Nothing 
else noted and nothing on 531 which I suspect was DU origin yesterday.

73 KAZ Barrington IL

----- Original Message ----- 
From: "Steve Ratzlaff" <steveratz@xxxxxxxxxxxx>
To: "Mailing list for the International Radio Club of America" 
<irca@xxxxxxxxxxxxxxxx>
Sent: Sunday, May 11, 2008 8:20 AM
Subject: [IRCA] NE Oregon TPs, Sunday--good for DU


> This morning was good for DU reception, one of the best for me for level 
> of audio on 891. I was up 15 minutes earlier, which seemed to make a 
> difference for LWBC Radio Rossii--153 poor, 180 weak, 189 weak/medium, 234 
> poor, 279 weak/medium around 1145 utc. (KAZ--note there are no beacons 
> below 198.)
> MW had hets galore, almost every channel up to about 1200 kHz, along with 
> 1548. Audio, all definite or presumed DU: 594 poor DU talk; 738 poor DU 
> talk; 774 poor/weak DU talk; 837 very poor ?; 855 poor DU talk; 864 very 
> poor ?; 891 best audio, rising to medium/loud several times, up to 30-45 
> seconds with woman and man discussing opera in Australia; a second station 
> playing vocal pop music fading in and out, weak; 1107 very poor ?; 1116 
> weak DU talk. 891 the last to fade away around 1250 utc, with the two 
> stations fading in and out. (First MW audio at 1200 utc.) All in all, an 
> excellent morning for MW and LWBC audio.
>
> I hope KAZ made the effort to get up and check the band this morning. 
> Addressing his comments of yesterdsy:  1098 presumed Marshall Islands 
> carrier is almost always at least a weak het; on good mornings like today 
> it rises to "loud" and would surely give decent audio if modulation were 
> present. Today is only the second morning since I've changed over to the 
> active loops on the Wellbrook broadband phaser so I really need more 
> comparison checks. Today, when 891 was at medium/loud level on the 
> longwire, it was weak with much poorer signal to noise ratio on the 
> Wellbrook setup. When levels were weak on the longwire, the signal was 
> gone on the phaser. I'm guessing that levels are about the same between 
> the active verticals and the active loops--I can't directly switch from 
> one to the other for instant comparisons. Better side lobe suppression 
> that John Bryant observed for the loop over the vertical is not an issue 
> for me for the TP reception, and I don't have enough domestic usage to be 
> able to notice a difference there. If anything, I would say the active 
> verticals give a little better signal overall.
> I have not recently tried using the conventional Misek/Lankford homebrew 
> phaser with my two parallel longwires, used "over the shoulder" for the TP 
> reception. I briefly tried it last year with inconclusive results. I have 
> limited time to try to optimize another "gadget", and am also checking for 
> LF beacons, where the Wellbrook phaser or the conventional phaser don't 
> work, so I haven't really done much trying to see if MW levels can be 
> boosted with the conventional phaser.
> I have not noticed 576 kHz as having a het here. This morning I was 
> writing down the various hets heard, and 576 was not on the list; 567 was, 
> though.
> Comparing the Wellbrook broadband phasing system to the conventional 
> Misek/Lankford phaser--I would class them as more like apples to oranges. 
> The Wellbrook, you initially set the phasing and balance controls on a 
> signal as close to 180 degrees in the null (E/W directions, for my 
> dual-antenna setup), then you just forget about tweaking anything. Just 
> switch the E or W control as you tune the radio, if you want to check 
> signals from either direction. Of course the conventional phaser you're 
> constantly tweaking for best null anytime you tune to a new frequency. The 
> Wellbrook is "set and forget" for the most part. On domestics, you can 
> tweak the controls for the absolute best null on some signals, usually 
> ones considerably away from 0/180 degrees, but otherwise no tweaking is 
> needed from 530-1700 kHz. John Bryant's various reports in the past using 
> the Wellbrook phasing system give much better detail than my limited 
> experience using it on domestics. Once you get your own Wellbrook setup 
> going, it will be very interesting to hear what you have to say about it.
>
> Steve
> NE Oregon
> R75, AR7030, longwires, Wellbrook broadband phaser

_______________________________________________
IRCA mailing list
IRCA@xxxxxxxxxxxxxxxx
http://montreal.kotalampi.com/mailman/listinfo/irca

Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers

For more information: http://www.ircaonline.org

To Post a message: irca@xxxxxxxxxxxxxxxx