[AMRadio] 144 Mhz. AM


Brian Carling bcarling at cfl.rr.com
Tue Nov 2 21:14:13 EST 2004


I don't know of anyone using FM on 144.390 kHz.
Where are these people???

On 2 Nov 2004 at 18:44, k0ng at inebraska.com wrote:

> 
> 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.
> > ______________________________________________________________
> > AMRadio mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/amradio
> > Help: http://mailman.qth.net/mmfaq.html
> > Post: mailto:AMRadio at mailman.qth.net
> > 
> 
> 
> 
> ______________________________________________________________
> AMRadio mailing list
> Home: http://mailman.qth.net/mailman/listinfo/amradio
> Help: http://mailman.qth.net/mmfaq.html
> Post: mailto:AMRadio at mailman.qth.net





More information about the AMRadio mailing list

This page last updated 18 Oct 2017.