[Lowfer] 73.6 kHz

[David L. Wilson]

CFH on 73.6 kHz uses 300 Bd MSK with a modulation index of 0.5.  USN VLF MSK shore (NAA/NPM/NLK/etc) is 200 Bd MSK with a modulation index of 0,5.  TACAMO uses rates higher than 200 like 400 Bd and others.  Your 133.2 was actually 133.15 kHz.
 
 
-----Original Message-----
From: Garry <k3siw at sbcglobal.net>
To: lowfer at mailman.qth.net
Sent: Mon, Jan 23, 2023 11:24 am
Subject: [Lowfer] 73.6 kHz

The usual signal on 73.6 kHz is wideband MSK from CFH in Halifax, Nova 
Scotia. Haven't noticed that for quite some time but yesterday a strong 
carrier was present on the frequency. It's still there. CFH has operated 
on other low frequencies like 133,2 and 137 kHz but nothing is copied 
there. For some reason it appears CFH is transmitting without modulation 
at the moment.

73, Garry, K3SIW, EN52ta, Elgin, IL
______________________________________________________________
Lowfer mailing list
Home: http://mailman.qth.net/mailman/listinfo/lowfer
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Lowfer at mailman.qth.net
Post must be less than 50KB total for message plus attachment!

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html