Let me know what you want for it Phil I am interested.
Joe
----- Original Message -----
From: "Phil LaMarche" <[EMAIL PROTECTED]>
To: "'Discussion of AM Radio in the Amateur Service'"
<amradio@mailman.qth.net>
Sent: Monday, February 11, 2008 11:24 AM
Subject: RE: [AMRadio] Using Heath SB 610 Monitor Scope to
monitormodulationonAM transmitter
Speaking of SB 610's, I have a SB-614 for sale that looks like new. It's
just beautiful. Have no idea it's worth, so a fair offer will be
accepted.
Phil
Philip LaMarche
LaMarche Enterprises, Inc.
www.instantgourmetspices.com
www.w9dvm.com
800-395-7795 pin 02
727-944-3226
FAX 727-937-8834
NASFT 30210
W9DVM
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of EP Swynar
Sent: Monday, February 11, 2008 11:17 AM
To: Discussion of AM Radio in the Amateur Service
Subject: Re: [AMRadio] Using Heath SB 610 Monitor Scope to monitor
modulationonAM transmitter
Hi John,
The SB-610 has been an absolutely invaluable aid here at my stations, in
both the CW and voice modes (AM, as well as SSB)...
All I do when monitoring 'phone transmissions here is to place the 'scope
into a trapezoidal pattern.
I adjust the vertical gain such that a carrier makes the line about 2/3
the
height of the screen, or so, and the horizontal gain is set so that the
modulated triangle is about as equilateral as it can be...
When modulating 100%, the pattern should, indeed, be a full, equilateral
triangle.
One thing that I neglected to do until YEARS later was to pull the top RH
knob out --- that's the one marked "CLAMP" --- whenever using the
trapezoidal feature: by doing this, there is no image on the face of the
scope until you key-up your transmitter. If you leave the knob "in" all
the
time, you'll eventually get a spot "burned" into the inside face of the
CRT,
like I did with mine here...
The clamp feature keeps the point deflected off-screen into the RH side of
the CRT --- as soon as you hit the transmit button on your rig, the line
zips out from the right, to the centre of the tube, like magic...!
Chalk one up on the importance of reading the instructions first, not
later!
Hi Hi.
~73~ Eddy VE3CUI - VE3XZ
****************************************
. I can't recall the name of the control because the scop
----- Original Message -----
From: "John King" <[EMAIL PROTECTED]>
To: <amradio@mailman.qth.net>
Sent: Monday, February 11, 2008 10:39 AM
Subject: [AMRadio] Using Heath SB 610 Monitor Scope to monitor modulation
onAM transmitter
Anyone experienced at using Heath SB 610 Monitor Scope
to monitor the modulation pattern of the outgoing
signal of an AM transmitter?
I need to have session to discuss the application of
the SB 610 to that operation.
Please email me directly for such a discussion. Your
assistance in understanding the application and
process will be greatly appreciated. Thanks and 73,
John, K5PGW
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