Re: [IRCA] Fw: [RT] [Fwd: [drmna] Canada report on HD/IBOC]

[Russ Edmunds <wb2bjh@xxxxxxxxx>]

--- Bob Foxworth <rfoxwor1@xxxxxxxxxxxxxxx> wrote:

> This just in from the Radio Tech list.
> It is a 36 page pdf. I've just begun to look at it.
> What I'm seeing so far is pretty FM-specific. The original
> subject line (this post) says "no to AM" but the report
> itself is titled:
> 
> "IBOC TECHNOLOGY: An Assessment of Technical
> and Operational Issues in the Canadian FM Radio
> Environment" prepared by the Digital Radio
> Coordinating Group"
> 
> I can't find a reference to AM.
> 
>

Given that the trend up north seems to be to migrate as many AM's as
possible to FM, I guess that's par for the course.

The summary report at the outset fairly clearly states the case as we
know it for FM. One suspects that some of the language used to describe
adjacent channel interference is at least partially based on iBiquity
statements rather than any extensive independent testing in US markets,
as the 1st-adjacent interference in the US is understated.



Russ Edmunds
Blue Bell, PA ( 360' ASL )
[15 mi NNW of Philadelphia]
40:08:45N; 75:16:04W, Grid FN20id
<wb2bjh@xxxxxxxxx>
FM: Yamaha T-80 & Onkyo T-450RDS w/ APS9B @15'
AM: Hammarlund HQ-150 & 4' FET air core loop

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