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

[Chuck Hutton <charlesh3@xxxxxxx>]

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 “worst case” 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. I’m supposed to be there for two weeks in August. I’ll be “driving the signal” 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.

“Nothing but blues and Elvis, and somebody else’s favorite song…”


> 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. I’m interested in knowing what format WWFD currently runs, and if they plan to change or modify the format to fit the “All Digital” operation.
>> Also, do they plan to promote the “All Digital” format within the market? How are they going to promote it?
>> Any chance we’ll see the “All Digital” 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.
>> “Nothing but blues and Elvis, and somebody else’s favorite song…”
>>> 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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