[AMRadio] 144 Mhz. AM


Crawfish crawfish at surfmore.net
Fri Nov 5 05:33:09 EST 2004


That is what I meant, when did most people change over from AM as a general
rule on VHF contests? I figure it was in early 1970's. I sure am glad to
hear folks talking AM up again. I know, some people never lost the faith :-)

Joe W4AAB
----- Original Message -----
From: peter A Markavage <manualman at juno.com>
To: <amradio at mailman.qth.net>
Sent: Friday, November 05, 2004 12:40 AM
Subject: Re: [AMRadio] 144 Mhz. AM


> He has a 6 meter AM repeater too.
>
> W4AAB wrote - "I wonder when the VHF contests went from AM to SSB?"
>
> The contests didn't change, the operating equipment did. There's no rule
> that says you can't operate AM during a VHF contest. If "spark" was
> legal, you could even use that mode.
>
> Pete, wa2cwa
>
> On Thu, 4 Nov 2004 22:13:27 -0600 "Crawfish" <crawfish at surfmore.net>
> writes:
> > I was thinking JCL, but put in an R. Did he have a 6m AM repeater
> > also? I
> > have been reading on-line about WA6TDD, one of the first 2m
> > repeaters in So.
> > California. It started out on AM. Wish I could remember the guy in
> > Little
> > Rock , AR that was on 145.35 with a kW on 2m AM back in the '70's. A
> > friend
> > of mine worked him with an FT-221 from north AL. I wonder when the
> > VHF
> > contests went from AM to SSB? Those FAA rigs seem like the best way
> > to get
> > on 2m AM.
> >
> > Joe W4AAB ( QRV with a Gonset Communicator I)
> > ----- Original Message -----
> > From: peter A Markavage <manualman at juno.com>
> > To: <amradio at mailman.qth.net>
> > Sent: Thursday, November 04, 2004 1:25 AM
> > Subject: Re: [AMRadio] 144 Mhz. AM
> >
> >
> > > It's 145.25 and the call is K1JCL. It's always fun to operate 2
> > meter AM
> > > during some of the VHF contests. Drives the SSB guys crazy trying
> > to tune
> > > you in.
> > >
> > > Pete, wa2cwa
> > >
> > > On Wed, 3 Nov 2004 22:31:49 -0600 "Crawfish"
> > <crawfish at surfmore.net>
> > > writes:
> > > > I believe K1JCR in CT has a 2m AM repeater on up there.
> > > >
> > > > Joe W4AAB
> > > > ----- Original Message -----
> > > > From: <k0ng at inebraska.com>
> > > > To: Discussion of AM Radio <amradio at mailman.qth.net>; Byron
> > Tatum
> > > > <bjtatum at ev1.net>
> > > > Cc: <AMRadio at mailman.qth.net>
> > > > Sent: Tuesday, November 02, 2004 6:44 PM
> > > > Subject: Re: [AMRadio] 144 Mhz. AM
> > > >
> > > >
> > > > >
> > > > > Hi Byron: 144.400 is still legal but you wont make any friends
> > 10
> > > > KHz
> > > > down.
> > > > > Their FM receivers are lots wider than our AM receivers, in
> > > > general.
> > > > > I have ground some crystals for 144.320 and 144.360 MHz ( one
> > > > calling and
> > > > > one working freq.) Remember though, most AM receivers are
> > tunable
> > > > so you
> > > > can
> > > > > work "cross frequency" if you can get their attention. I too
> > have
> > > > a TV-7
> > > > > FAA Tx (had 2 and gave one to a friend).
> > > > >
> > > > > I have worked Texas many times before on CW and SSB,
> > especially in
> > > > the
> > > > > summer but we usually have a few openings in January or Feb.
> > Let
> > > > me know
> > > > if
> > > > > you hear anything or would like a schedule.  Good luck on AM.
> > > > >
> > > > > 73 DE Charlie,  K0NG  ..
> > > > >
> > > > > Quoting Byron Tatum <bjtatum at ev1.net>:
> > > > >
> > > > > > Hello-
> > > > > >     I am getting my 2 meter antenna system back up and
> > running.
> > > > One
> > > > thing I
> > > > > > have played around with is surplus FAA AM gear that can be
> > > > operated on
> > > > > > 144.400 Mhz. Although I made only pre-arranged contacts in
> > the
> > > > past I
> > > > was
> > > > > > curious if there are any reports of 144 Mhz. activity in
> > the
> > > > Houston,
> > > > TX.
> > > > > > area ?
> > > > > >     I have crystalled up several different pieces of
> > equipment
> > > > on the AM
> > > > > > calling freq. of 144.400 Mhz. I have heard that this
> > calling
> > > > freq.
> > > > cannot be
> > > > > > used in some area due to interference from other modes. I
> > guess
> > > > I will
> > > > find
> > > > > > out soon but I thought I would ask.
> > > > > >     Right now I am working on a surplus FAA airband
> > transceiver,
> > > > it is
> > > > solid
> > > > > > state and crystal controlled, but appears will do nicely for
> > 144
> > > > AM.
> > > > Hate to
> > > > > > invest in crystals I can't use! This unit is the TRX-102, a
> > 1972
> > > > era
> > > > design
> > > > > > that has a good sensitive receiver and about 5-7 watts
> > out.If
> > > > others are
> > > > > > interested I have written down the conversion info.
> > > > > >     I do have a few nice tube-type 50 watt plate modulated
> > AM
> > > > transmitters
> > > > > > that cover 144 Mhz easily, these are the TV-6. They have a
> > 4X150
> > > > final
> > > > > > modulated by a pair of 6146's. These units are beautifully
> > built
> > > > with
> > > > all
> > > > > > sealed transformers, about 3' tall rackmount, about 130 lbs.
> > I
> > > > have one
> > > > set
> > > > > > up on 144.400 that easily puts out 50 watts of nice sounding
> > AM.
> > > > I
> > > > believe I
> > > > > > have 2 or 3 checked out and wrapped up in protective
> > coverings
> > > > in my
> > > > > > shop.Have a full manual for it too.Have an extra tube-type
> > > > receiver
> > > > {RV-12}
> > > > > > that does fairly well when crystalled and tuned on 144 Mhz.
> > > > > >     Anyway, I would like to find some AM friends for 144
> > Mhz, my
> > > > antenna
> > > > > > system will be high performance { pair of 18 ele. yagis at
> > 100'}
> > > > so will
> > > > have
> > > > > > 250 mile plus range.
> > > > > >     Thanks, Byron WA5THJ, located in Alvin.
>
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