Re: [IRCA] WBZ IBOC is OFF!
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [IRCA] WBZ IBOC is OFF!



I think WBZ runs or at least can run AM Stereo on the backup.

Paul Walker
www.onairdj.com


On 1/4/09, Patrick Griffith, N0NNK / WPE9HVW <AM-DXer@xxxxxxxxx> wrote:
>
> Still on the backup rig tonight, but they've drifted down a bit, to
> 1030.014.
> Barry
>
> ///////
> Just out of curiosity I wonder if WBZ runs Power-Side on the backup
> transmitter? I know a lot of stations that had Power-Side before IBOC
> came along kept it on their backup rigs (KPOF/910 for example). Perhaps
> I should pose this as a question to the more technically experienced
> engineer types on the list (Mark Durenberger where are you?). Since
> Power-Side concentrates the audio into one of the two sidebands of the
> carrier frequency, would that make the signal appear to be slightly off
> frequency toward whichever sideband is being used? I know that on an
> analog radio receiving a station using Power-Side you get the best sound
> by tuning slightly off frequency to one sideband or another. The carrier
> frequency should not be effected by Power-Side. But I believe that the
> apparent center of bandwidth for the overall mask of the transmitted
> signal would be shifted one way or another. At KCKK/1510 we have
> Power-Side and we run it slanted toward the lower sideband to help us
> stay further away from the audio of the 1520 adjacent channel blowtorch
> in OKC.
>
> Patrick Griffith, CBT CBNT CRO
> Westminster CO
> http://community.webtv.net/AM-DXer/
> http://community.webtv.net/N0NNK/
>
>
> _______________________________________________
> 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
>
>


-- 
Sincerely,
Paul B. Walker, Jr.
www.onairdj.com
walkerbroadcasting@xxxxxxxxx
_______________________________________________
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