Hard-Core-DX.com: Complaint to a local broadcaster about intermod/mixing from their AM....

Complaint to a local broadcaster about intermod/mixing from their AM....

Sunday, November 17 2019


Ah well.... same difference.... im so close, it doesnt matter, but the
problem is still the same ;)

On Sat, Nov 16, 2019 at 7:27 PM Kit <xkit@yahoo.com> wrote:

> Slight correction. KOWB is DA-2, using 2 towers for day and 3 for night.
> Their day pattern has changed from what it used to be. Earlier on, it
> looked nearly omni except for a small null toward Denver to protect 1280,
> but now it looks much different, so maybe that change, whenever it took
> place, had something to do with it.
>
>
> Kit
>
> On Saturday, November 16, 2019, 6:51:47 PM MST, 'Paul B. Walker, Jr.'
> walkerbroadcasting@gmail.com [ABDX] <abdx@yahoogroups.com> wrote:
>
>
>
>
> ...and how it was resolved!
>
> Back in January I complained about some really bad intermod and mixing
> caused by KOWB 1290 and KHAT 1210.
>
> KOWB 1290 is owned by Townsquare and is 5KW Non D days, 1kw DA nights from
> about 1.6 miles away from me. KHAT is 1/4 mile away from them, owned by
> Appaloosa Broadcasting with 10kw Days Non D and 1kw Night DA.
>
> I Was getting a really loud, nasty crunchy sounding KHAT on 1370 along
> with some some mixing of the two in general in a few other spots on the
> radio along with some crackly sounds on the dial. This occurred on my
> Icom Radio and big loop antenna at home but also some car radios further
> north and away from the tower site.
>
> Thanks to some educated help from a certain local broadcast engineer we
> were able to reasonably determine it was KOWB causing the issue and it
> wasn't just my radio.
>
> I emailed their regional engineering manager who said he'd look into it
> when he was at the station later that month. I didn't hear back from him.
>
> Well, when KOWB's transmitter room got flooded from a burst pipe the
> problem went away completely. With them back on but at only 1kw on 1290,
> the problem has largely still disappeared
>
> I followed up with the engineer today and he said hes been trying to tune
> out the problem and was working on it before the transmitter got ruined.
>
> He says if he can't tune it out, Townsquare will have to purchase a
> filter. HE says in this case it was simply KHAT's signal getting into
> KOWB's transmitter and re-radting from one of their towers
> __._,_.___
> ------------------------------
> Posted by: "Paul B. Walker, Jr." <walkerbroadcasting@gmail.com>
> ------------------------------
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