[Milsurplus] WW2 German FM?

Sat, 1 Nov 2003 18:40:04 -0500

Just as I was finished with the translation, Richard and Hue came through
with the translation...

Indeed, the important thing in the text is :"to be replaced" or "would
replace" and "quantity or mass production was running by the war's end".
This really doesn't verify that the FM radios were used in the field as a
rule, it looks as the trials were successful and there was a plan to replace
the AM sets with FM.
 Radios. As far as I know, the UkW E. (VHF)  receiver had a couple of
versions depending on the frequency range (such as the e. and h. versions,
for example UkW E. h.), and it was not an FM receiver, but AM and CW.
The 10 W.S. is one of the transmitter models designated for power output and
frequency range (10 W. S. means 10 Watt Sender) and they came in several
frequency ranges designated by letters a. , c., h. etc. For example 10
W.S.c.. Again, as far as I know, these were AM/CW transmitters.
Maybe the FM sets were the same 10 W.S. series but modified for FM? It's
possible also that they also stayed with the original UkW. E. receiver with
modifications for FM reception?
I saw pictures of the UkW. E.*/10 W.S.* radios in tanks and AFV's and the
Morse key is always there, so CW was certainly a regular mode of operation,
but as I said as far as I know these were AM/CW radios.
The question is: did they carry over CW to the FM sets? Technically, it
wouldn't make much sense...

The answer to Dave S. regarding German armor frequencies: it was 27.2 to
33.3 MHz, and  infantry support vehicles used 23 to 24.95 MHz.
This was so from the beginning of the war, the difference being is that most
tanks only had the UkW receiver and only the company commander had the
transmitter as well. This changed and later on all tanks carried the full
receiver/transmitter setup. I don't know about mechanized infantry
frequencies unless the 23 to 24.95 MHz frequency above means the mechanized
infantry support vehicles...
Maybe someone has the "real" authoritative answer.

73, Meir WF2U

-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Hue Miller
Sent: Saturday, November 01, 2003 5:51 PM
To: [email protected]; Tom B
Subject: Re: [Milsurplus] WW2 German FM?

----- Original Message -----
From: "Tom B" <[email protected]>

Not quite true.  I did some looking through some books I have here and I
found a reference to a set that was made in 1945.  In the book the receiver
and transmitter are called UkW E. (FM) and 10W.S.(FM).  The fequency range
is slightly different from most of the other tank sets, 25-27.1 MHz.

"Die mit amplitudenmodulation arbeitende Schallmessan Fu 18 sollte durch
einen bei Lorenz neuentwickelten geraetesatz (Nr.?) mit Frequenzmoduiation
im Bereich 25,0 - 27,2 MHz ersetzt werden. Er bestand aus sieben
UkW-Empfaenagern (FM) mit automatischer Scharfabstimmung, die ueber einen
Antennenverstaerker an einer gemeinsamen antenne betrieben wurden, und aus
sechs St�ck 10 W.S. (FM), jeweils mit zweistufigem Modulator. Die
Reichweitebetrug 15 Kilometer. Die Serienfertigung war bei Kriegende gerade
angelaufen."

 [ The AM, noise-prone Fu18 was TO BE replaced by Lorenz developed FM
equipment...The series consisted of  7 FM receivers, with AFC, which worked
off a common antenna, and 6 transmitters, each with 2-stage modulator. The
range, 15 km.  At war's end the production of the series had just begun. ]

And i say, what a dream. The nation was collapsing, fuel for basic transpor-
tation as well as war machines was lacking, and young boys were being
inducted to the armed forces.
I have seen pristine looking Wehrmacht (AM) radio gear produced up
to the last month of the war - heavy potmetal construction - but the
same 1937 designs that carried them thru the war. I don't think any
but prototypes of the FM sets ever existed. I have also seen German
radar tubes produced very near the end of the war - as if there were
flying German aircraft to maintain the radar in. It might seem that
there could have been higher priorities, but the old wheels kept
turning, maybe just slower.
Hue Miller
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