Re: [IRCA] WWFD 820 Becomes First All-Digital AM Station

["Paul B. Walker, Jr." <walkerbroadcasting@xxxxxxxxx>]

But come on, It's HD... hiss hiss.. dx'ers hate it and if it's all digital
and doesnt go far past the carrier frequency, DX'ers cant complain about it
over and over :)

Paul



On Tue, Jul 17, 2018 at 8:26 PM, Chuck Hutton <charlesh3@xxxxxxx> wrote:

> No, its very different because there's no need to avoid bothering the
> analog part.
>
> Currently the hybrid system  puts a lot of IBOC energy far from the analog
> carrier where it bothers adjacent analog carriers.
>
> The all digital system can put more energy around the carrier frequency as
> it won't bother itself. It will bother far away stations.
>
>
> This is why I am saying to people that they can not use their prior IBOC
> experiences to imagine what will happen with all digital IBOC.
>
>
> Chuck
>
>
> ________________________________
> From: IRCA <irca-bounces@xxxxxxxxxxxxxxxx> on behalf of Neil Kazaross <
> neilkaz58@xxxxxxxxx>
> Sent: Tuesday, July 17, 2018 5:04 PM
> To: Mailing list for the International Radio Club of America
> Subject: Re: [IRCA] WWFD 820 Becomes First All-Digital AM Station
>
> Is this full IBOC still going to be the off channel crap we've suffered
> with for many years or will it be on channel?  73 KAZ
>
> On Tue, Jul 17, 2018 at 6:16 PM, Chuck Hutton <charlesh3@xxxxxxx> wrote:
>
> > Ill suggest a more mundane reason.
> >
> > Ibiquity is headquartered in Germantown MD and just like they did their
> > experimental tests for hybrid mode  not too far away, they are now  doing
> > their full IBOC tests nearby.
> >
> >
> >  Chuck
> >
> >
> > ________________________________
> > From: IRCA <irca-bounces@xxxxxxxxxxxxxxxx> on behalf of Les Rayburn <
> > les@xxxxxxxxxxxxxxxx>
> > Sent: Tuesday, July 17, 2018 3:21 PM
> > To: IRCA Radio List - irca@hard-core-dx_com
> > Subject: Re: [IRCA] WWFD 820 Becomes First All-Digital AM Station
> >
> > Ah, I understand now.
> >
> > I suppose it makes sense as a technical test. Washington, DC is âworst
> > caseâ scenario in terms of multi path, signal obstructions, etc. If it
> > performs well there, it should do even better in most locations.
> >
> > We have a client in DC and get there often. Iâm supposed to be there for
> > two weeks in August. Iâll be âdriving the signalâ myself.
> >
> >
> >
> > 73,
> >
> > Les Rayburn, N1LF
> > 121 Mayfair Park
> > Maylene, AL 35114
> > EM63nf
> >
> > Member WTFDA, IRCA, NRC. Former CPC Chairman for NRC & IRCA.
> >
> > Elad FDM-S2 SDR, AirSpy SDR2, SDRPlay RSP-2 Pro, Sony XDR-F1HD [XDR Guy
> > Modified], Dennon TU-1500RD, Sangean HDT-1X, Ray Dees RDS Decoders,
> Korner
> > 9.2 Antenna, FM-6 Antenna, Kitz Technologies KT-501 Pre-amps, Quantum
> > Phaser, Wellbrook ALA1530 Loop, Wellbrook Flag, Clifton Labs Active Whip.
> >
> > âNothing but blues and Elvis, and somebody elseâs favorite songââ
> >
> >
> > > On Jul 17, 2018, at 2:22 PM, Scott Fybush <scott@xxxxxxxxxx> wrote:
> > >
> > > Some of this I can answer even before interviewing Dave - the format is
> > called "The Gamut," which is a true "we play everything" variety mix that
> > goes back as far as the 1940s. It's been running on WWFD for the last few
> > years, as well as on HD2 subs of co-owned WTOP in Washington and its FM
> > relay out in Virginia.
> > >
> > > It's important to note here that the format isn't especially important
> > to what's essentially a technical test. The whole reason they're using
> the
> > WWFD AM signal for this is because it's not doing anything,
> business-wise,
> > for them. Most Gamut listeners are tuned into the HD2s or the analog FM
> > translators that relay them, or are on the stream.
> > >
> > > The idea here is to get a real-world sense of how the AM all-digital
> > mode works, and I expect a lot of engineers will be out this summer
> driving
> > the signal, taking measurements and learning how well their theoretical
> > predictions match reality. (I hope to join them at some point!) I doubt
> > there will be much promotion to general audiences, though I'm sure
> they'll
> > welcome any feedback they get.
> > >
> > >
> > >
> > > On 7/17/2018 3:12 PM, Les Rayburn wrote:
> > >> Scott,
> > >> Thank you for this opportunity. Iâm interested in knowing what format
> > WWFD currently runs, and if they plan to change or modify the format to
> fit
> > the âAll Digitalâ operation.
> > >> Also, do they plan to promote the âAll Digitalâ format within the
> > market? How are they going to promote it?
> > >> Any chance weâll see the âAll Digitalâ experiment expanded to FM
> within
> > the DC market?
> > >> 73,
> > >> Les Rayburn, N1LF
> > >> 121 Mayfair Park
> > >> Maylene, AL 35114
> > >> EM63nf
> > >> Member WTFDA, IRCA, NRC. Former CPC Chairman for NRC & IRCA.
> > >> Elad FDM-S2 SDR, AirSpy SDR2, SDRPlay RSP-2 Pro, Sony XDR-F1HD [XDR
> Guy
> > Modified], Dennon TU-1500RD, Sangean HDT-1X, Ray Dees RDS Decoders,
> Korner
> > 9.2 Antenna, FM-6 Antenna, Kitz Technologies KT-501 Pre-amps, Quantum
> > Phaser, Wellbrook ALA1530 Loop, Wellbrook Flag, Clifton Labs Active Whip.
> > >> âNothing but blues and Elvis, and somebody elseâs favorite songââ
> > >>> On Jul 17, 2018, at 1:54 PM, Scott Fybush <scott@xxxxxxxxxx> wrote:
> > >>>
> > >>> On 7/17/2018 2:03 PM, Chuck Hutton wrote:
> > >>>
> > >>>> But I'm unaware as to whether all digital IBOC has FCC approval.
> > >>>
> > >>> As a regular licensed mode of operation, no...which is exactly why
> > Hubbard and the HD Radio folks are conducting this test under
> experimental
> > authority.
> > >>>
> > >>> I'm going to be interviewing WWFD's Dave Kolesar this evening for a
> > new episode of my "Top of the Tower" podcast, to be released tomorrow. If
> > anyone on the list has questions about the purpose of the test or the
> > technology behind it, hit me up and I'll ask him!
> > >>>
> > >>> s
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