[Collins] Which AM transmitter to go with S-line?

Larry L. Ravlin [email protected]
Fri, 4 Jul 2003 14:33:49 -0700


Ahhhhhhh.  You guys havent lived until you run AM with 4 4-1000pr's
modulated by two 4-400's

Larry L. Ravlin  AKA "Laurence the Magnificent"
[email protected]
Walterville, Or.
Ham Operator Extra class AA7LR @ 20WPM
'V' Tail Bonanza Pilot
Delta Wing Hang Glider Pilot
D-4021
SCR 1475
SCS 422
IPSC
HighPower  Rifle "Where Accuracy Counts"
Certified NAUI Diver

----- Original Message -----
From: Glen Zook <[email protected]>
To: kwylow zinjanthropus <[email protected]>; <[email protected]>
Sent: Friday, July 04, 2003 7:59 AM
Subject: [Collins] Which AM transmitter to go with S-line?


> Remember if you use the 30L-1 with the Ranger II for
> AM you will have to reduce the input to around 350
> watts.  This may require the use of an attenuator
> (like Johnson sold for using the Ranger series with
> linears).  This should give you about 200 to 225 watts
> output carrier power.
>
> Of course, current FCC regulations limit AM (actually
> carrier-present double-sideband amplitude modulation -
> SSB is an AM mode!) to 375 watts carrier output.  This
> gives a PEP of 1500 watts PEP (a fully modulated "AM"
> signal has a PEP value of 4 times the carrier).  You
> probably already knew that!
>
> Glen, K9STH
>
>
> --- kwylow zinjanthropus <[email protected]> wrote:
>
> Here's my candidate: the EF Johnson Ranger II.
>
> Got both a 30L1 and a 30S1? Use the latter for the
> S-line and the former with the Ranger/51S1 setup.
>
> =====
> Glen, K9STH
>
> Web sites
>
> http://home.comcast.net/~k9sth
> http://home.comcast.net/~zcomco
>
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