[MilCom] EAM on VLF RTTY

pdgls wtulknat at yahoo.com
Fri Feb 24 21:05:27 EST 2017


Thanks Jack.
I'll look into FLDIGI.

Paul 
--------------------------------------------
On Fri, 2/24/17, Jack L. Metcalfe <jlmetcalfe at kywimax.com> wrote:

 Subject: Re: [MilCom] EAM on VLF RTTY
 To: "pdgls" <wtulknat at yahoo.com>
 Cc: "milcom at mailman.qth.net" <milcom at mailman.qth.net>
 Date: Friday, February 24, 2017, 3:55 PM
 
 pdgls via MilCom
 wrote:
 > At 5:10pm PST on 02/23/2017 a 50
 Hz shift 50 baud rtty signal around 21 kHz faded-in.
 >   I don't know if it came
 from a ground station or an E-6B that was in W260 at the
 time.
 >   The E-6 did
 broadcast the same EAM on 311.
 >    85
 Hz shift was as close as I could get to 50 Hz shift with
 MULTIPSK.
 >    I'm wondering if
 this was accidentaly sent in the clear.
 ---
 You might try FLDIGI, IIRC
 it allows custom shifts for RTTY.
 
 Jack Metcalfe
 Stanford, KY
 
 
 
 > A good
 list of VLF freqs is here
 >
 > http://www.udxf.nl/ELF-VLF-GUIDE-v1.0.pdf
 >
 >
 >
 https://drive.google.com/file/d/0B52Hdc3cbOpxYTNoNkhacGdjOU0/view
 >
 >
 >
 > Paul, near Sacramento
 California
 >
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