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LF: RE: Redifon MF Tx info needed

To: <[email protected]>
Subject: LF: RE: Redifon MF Tx info needed
From: "Dave G3WCB." <[email protected]>
Date: Wed, 26 Mar 2008 21:16:42 -0000
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Mike, LF,

This guy seems to be offering the G474 Instruction Manual for Eight Euros...

73, Dave G3WCB

www.algra-funkarchiv.de/PDF/handbuch/Sender.pdf

-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Mike Dennison
Sent: Wednesday, March 26, 2008 11:45 AM
To: [email protected]
Subject: LF: Redifon MF Tx info needed


A friend in South Africa has obtained a marine MF radio but can't
find any info. He says it's a Redifon G474, but the Internet has
nothing to say on that subject, so perhaps it's known as something
else. Here is his description:

"It is a Redifon G474 emergency transmitter which covers from 400kHz
to 2.182MHz.  It is a 19" rack mount type. It apparently operates off
24V DC and has a pair of 6146s in the final.  The exciter is solid
state and the driver seems to be a BFY51. The metering includes PA
current and antenna current with a thermocouple ammeter. I am told it
runs 100W on MCW and 100W pep on AM.  The modulator is solid state
with the usual anode-screen modulation. Redifon was absorbed into
Thompson-CSF and then Thales so a bit difficult to get any data on
the equipment."

Does anyone recognise this? Is there any info on the web?

Mike, G3XDV
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