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[IRCA] IBOC/analog reception comparisons.
- Subject: [IRCA] IBOC/analog reception comparisons.
- From: "W. Curt Deegan" <WWWR@xxxxxxxxxxxxx>
- Date: Wed, 23 Nov 2005 15:58:57 -0500
A few days ago there was a discussion of IBOC vs analog signal strengths
and reception range. At the time I mentioned I had seen from spectrum
scans I ran, a significant difference in IBOC sideband strength with
antennas of varying gain, as compared to the analog component of the
hybrid broadcast signal.
Not to restart that discussion, I just want to say that since then, I
have produced some composite spectrum scans of stations operating in
IBOC mode as received using different gain antennas. I have placed
these on a web page which shows the phenomenon to which I was
referring. This is strictly a graphic representation, not a technical
analysis, intended simply to illustrate my previous remarks.
For anyone interested, you can see this comparison page here:
http://ScooterHound.com/WWWR/radio/sefliboc2.html The original Southeast
Florida AM IBOC Status page has been enhanced somewhat and is here:
http://ScooterHound.com/WWWR/radio/sefliboc.html
Comments and/or questions are welcome.
Curt
--
W. Curt Deegan
Boca Raton, (Southeast) Florida
[Ten-Tec RX-320D; LF Engineering H-800 & M-601; GAP DSP]
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