Thanks Kaczmarek
A bit more searching around Radio Frequency Unit lead me to:
Duxford Radio Society. The page is about
R1355 Gee Airborne Navigation Receiver and has a snippet saying:
Quote:
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The RF section of the R1355 is provided by a plug-in RF unit, type RF24, RF25, RF26 or RF27, each covering a different frequency range to avoid interference from enemy radio countermeasures.
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I wonder if this is what the RFU37 is?
GTI or CTI might be GPI as I found a reference to
Ground Position Indicator
I do not think it is Green Target Indicator as these are shown in the bomb load section rather then SPEC. EQIP. section of the form.
Looking again it is mentioned once after H2S so in this context could it be Ground Target Indicator?
The other context is in this list of Spec. Equip. if from a 97 Sqn PFF:
ARI 5085
H2S 5025
A.P.I 5153
5560
Fishpond
G.P.I Gee (The first letter of GPI is not clear. So it could be 5.P.I or S.P.I)
MK XIV B/S
Thanks for your help folks.
Robert