Re: [IRCA] TP loggings from Masset for 10 July, 2010: DU all the way!

[neilkaz <neilkaz@xxxxxxxxxxxxx>]

I've found that the primary IBOC sideband is worst at about +/- 14 Khz. ie..KMOX 1120 IBOC ruins Croatia 1134 here in IL unless I phase it down. Similarily, WSCR 670 means that I can forget about Spain 684. As for 15 Khz away, there's still plenty of IBOC, but not as bad and often USB or PBT can get away from much of it.

As for 6 Khz away, this is the secondary sideband and that is significantly weaker and unless the IBOC station is very strong, not usually an issue.

I often DX domestics next to IBOC stations using a decent portable like the E-1. I find that tuning 1 or two KHz away from the nasty main IBOC carrier can help. ie...assume the IBOC carrier is really bad in 1134, it still is bad on 1131, and bothers 1130, so I tune to 1129 or 1128. Alternately I could use LSB, but unlike many DXers, I basically don't use sideband much at all for AM since it seems my ears don't work that way. I've tried sideband on many sets and I find it often reduces intelligibility for me, sometimes by lots.

73 KAZ


-----Original Message-----
>From: Chuck Hutton <charlesh3@xxxxxxx>
>Sent: Jul 11, 2010 12:15 PM
>To: irca@xxxxxxxxxxxxxxxx
>Subject: Re: [IRCA] TP loggings from Masset for 10 July, 2010:  DU all the way!
>
>
>And if it is KRKO IBOC, 1395 should be clear by using USB since IBOC uses 15 kHz.
>
> 
>
>Chuck
> 
>> From: ptdx@xxxxxxxxxxx
>> Date: Sun, 11 Jul 2010 09:49:31 -0700
>> To: irca@xxxxxxxxxxxxxxxx
>> Subject: Re: [IRCA] TP loggings from Masset for 10 July, 2010: DU all the way!
>> 
>> Walt,
>> 
>> Just curious: If KRKO's IBOC hash trashes 1395, why doesn't it affect the same level TP on 1386?
>> 
>> Pete Taylor
>> Tacoma, WA
>> 12225w 4719n
>> HQ180 & ICF2010
>> Kiwa aircore & Palomar loops
>> DX398, SRF-59 & M37V
>> Eton E100 + Tecsun PL-300
>> ============================
>> WALTER SALMANIW wrote:
>> 
>> > 1386: 7 level NHK2 with QDFA at 12:49
>> > 1395: 7 level with +++IBOC hash
>> 
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