Re: [IRCA] 1100 Wobbler

["Steve Ratzlaff" <steveratz@xxxxxxxx>]

Randy is right--I hadn't tried it before, as I didn't think the Wobbler was 
strong enough to hear in AM mode, but just now I had it strong enough to 
hear in AM mode and the switching between AM and SSB it is indeed twice the 
wobble rate in AM mode! This is fascinating.
Steve
----- Original Message ----- 
From: "Stewart, Joseph R" <RandyStewart@xxxxxxxxxxxxxxxxx>
To: <irca@xxxxxxxxxxxxxxxx>; "NRC-AM listserv" <am@xxxxxxxxxxx>
Sent: Sunday, January 22, 2006 5:43 PM
Subject: Re: [IRCA] 1100 Wobbler


The Cuban wobbler on 1100, as has been widely reported, was EXTREMELY strong 
and obnoxious here in southern Missouri last night, and it's back at it 
again tonight. Easily audible in full double-sideband AM, LSB, USB, 
sync-detector LSB or USB, you name it.

Something interesting: the wobbling noise is twice as fast (i.e. seems to 
oscillate at twice the rate) in double-sideband AM as it does in either 
single-sideband mode, USB or LSB.  The wobbles in  upper- and lower-sideband 
also are at *different* rates/frequencies of oscillation etc., which can be 
easily confirmed by rapidly switching back'n'forth from LSB to USB.

Randy Stewart
Springfield MO
Yaesu FRG-100B/Quantum QX Pro ferrite loop; barefoot Sony ICF-7600GR



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