[GreenKeys] That's not a RTTY station........

Bruce Gentry ka2ivy at verizon.net
Thu Jan 23 17:40:56 EST 2020


What was the speed with the experimental trials of 10 cycle FSK on clear 
channel AM broadcast stations?

    Bruce Gentry, KA2IVY


On 1/23/20 3:56 PM, Nick England wrote:
> The ELF system ran that slow.
> But Cutler can run 60 wpm FSK.
> Actually MSK which is continuous phase FSK. The shift is 1/2 the bit 
> rate so i guess 22 Hz.
> Nick
>
>
> On Thu, Jan 23, 2020 at 2:47 PM Ralph Mowery 
> <rmowery28146 at earthlink.net <mailto:rmowery28146 at earthlink.net>> wrote:
>
>     I forgot the data rate,but it was very slow also.  Maybe just a
>     couple of words or characters each minuet.
>
>     Ralph ku4pt
>
>
>     -----Original Message-----
>     From: greenkeys-bounces at mailman.qth.net
>     <mailto:greenkeys-bounces at mailman.qth.net>
>     [mailto:greenkeys-bounces at mailman.qth.net
>     <mailto:greenkeys-bounces at mailman.qth.net>] On Behalf Of Duncan Brown
>     Sent: Thursday, January 23, 2020 1:33 PM
>     To: greenkeys at mailman.qth.net <mailto:greenkeys at mailman.qth.net>
>     Subject: Re: [GreenKeys] That's not a RTTY station........
>
>     Thanks, Nick!
>
>     Do you know what shift they used on RTTY? Must have been pretty
>     small.
>     Is that why CV-89 goes down to 10 Hz shift?
>
>     Have fun,
>
>     Duncan
>     K2OEQ
>
>     On 1/23/2020 11:50, Nick England wrote:
>     > THIS is a RTTY station -
>     > http://www.navy-radio.com/commsta/cutler/cutler-6106.jpg
>     >
>     > A 28KSR connected to a 2 megawatt transmitter driving 62 miles
>     of 1"
>     > antenna wire strung from 26 towers (800'-980') over a ground plane
>     > made up of 2000 miles of #6 copper wire. Now that's a RTTY
>     station....
>     >
>     > More info on the USN Cutler station here -
>     > http://www.navy-radio.com/commsta/cutler.htm
>     >
>     > Cheers
>     > Nick
>     >
>
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> -- 
> Nick England K4NYW
> www.navy-radio.com <http://www.navy-radio.com>
>
>
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