Re: [IRCA] QRM or QRN

[Russ Edmunds <wb2bjh@xxxxxxxxx>]

--- J999w@xxxxxxx wrote:

>> 
> I think many, including myself, consider line noise - QRN (noise)
> rather than 
> QRM (splatter from another transmitter).
> 
>

*** There's no doubt that over the years this has become more accepted
as an interpretation, although my understanding is that originally the
'M' signified "man-made" and the 'N' signified "natural". 

While 'N' can also signify "noise", there's no analogue for the
significane of using 'M' for interference from other stations.


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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