Midday Saturday the past few weeks (prior to yesterday) the IBOC
was turned off on Sports Parking Lot 620. Yesterday it was on.
I will try to resist referring to it as "I-CRAP."
When the IBOC is on, and you are within a couple of miles of
Tower Plaza, KT'R really steps on the Giant 580. In addition
to the hash on 600, there's noise on 590 and 580 as well which
makes KSAZ almost unlistenable.
With IBOC off, I can be about a mile away from the sticks and
hear 580 quite well as there is really no adjacent-channel noise
west of 610 (maybe a hair on 600).
So my question to the radio engineers--or those who play one
on TV--is with everything else being equal, why is there so much
third- and fourth-adjacent channel interference when IBOC is on?
Is it just being that close to the XMTR site? If so then why, at
the same close-in location, does the Giant 580 not get creamed
by KT'R when IBOC is off?
While I haven't been in close proximity to the 55/FYI site recently,
elsewhere I do get their hash on 570 but no interference with 580.
BTW, midday today (Sunday) KT'R was running IBOC-less. Perhaps
because 620 had the Suns game? Since it was also on ABC-TV
I'm guessing they didn't want to be :09 delayed and be totally
out-of-synch with the TV broadcast (assuming each would have
only a brief satellite delay).
I also compared the D-Backs TV with the KT'R-FM coverage and
radio was about a half-second ahead of TV.
was turned off on Sports Parking Lot 620. Yesterday it was on.
I will try to resist referring to it as "I-CRAP."
When the IBOC is on, and you are within a couple of miles of
Tower Plaza, KT'R really steps on the Giant 580. In addition
to the hash on 600, there's noise on 590 and 580 as well which
makes KSAZ almost unlistenable.
With IBOC off, I can be about a mile away from the sticks and
hear 580 quite well as there is really no adjacent-channel noise
west of 610 (maybe a hair on 600).
So my question to the radio engineers--or those who play one
on TV--is with everything else being equal, why is there so much
third- and fourth-adjacent channel interference when IBOC is on?
Is it just being that close to the XMTR site? If so then why, at
the same close-in location, does the Giant 580 not get creamed
by KT'R when IBOC is off?
While I haven't been in close proximity to the 55/FYI site recently,
elsewhere I do get their hash on 570 but no interference with 580.
BTW, midday today (Sunday) KT'R was running IBOC-less. Perhaps
because 620 had the Suns game? Since it was also on ABC-TV
I'm guessing they didn't want to be :09 delayed and be totally
out-of-synch with the TV broadcast (assuming each would have
only a brief satellite delay).
I also compared the D-Backs TV with the KT'R-FM coverage and
radio was about a half-second ahead of TV.