WLLH-AM Lowell Transmitter On-Air (With IBOC?)

Laurence Glavin lglavin@mail.com
Tue Jan 9 13:19:42 EST 2007

>----- Original Message -----
>From: "Dan Strassberg" 
>To: "Laurence Glavin" , boston-radio-interest@rolinin.BostonRadio.org
>Subject: Re: WLLH-AM Lowell Transmitter On-Air (With IBOC?)
>Date: Mon, 8 Jan 2007 16:24:45 -0500

> Also, are you sure that the hash you heard was, indeed, IBOC?
>You mentioned hash from 1350 to 1430. That frequency range is not
>symmetrical about 1400. IBOC hash is supposed to be symmetrical about the
>carrier frequency. If it is not, the system works poorly or not at all.

No I'm not sure, which is why I put a question mark at the end of the title.
Remember, I went directly to the tower on the Lowell/Lawrence Blvd
near the UMass Lowell campus and did my testing with my car radio and
headset radio.  So the "assymetrical"  finding was the result of being so 
close to the tower...WNNW-AM 800's hash can be heard of WJIB and WEEI as
I drive by the tower on route 93.  In the latter case, the tower is
VISIBLE but with WLLH/Lowell, I was just YARDS away.

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