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 <[email protected]> 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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