PAl
PAlL/49
PAlM/50
PAlM/51
PAlM/52
PAlM/53
PALM/54
PAlM/55
PAlM/56
PALM/56A
PALM/57
PAl/58
PAl/59
- 228 -
PAl/44. 1965. ACO. OBSOLESCENT.
Telecine Reproducing Panel. PN3/23 with Compot,
and Sepmag reproducing amplifiers. Replaces
1965. ACO. OBSOLESCENT.
Commag
PAl/43.
Receiving Panel used at
working. PN3/23 with
DD 1965/67. WITHDRAWN.
Edinburgh for Redmoss unattended
PS2/9, FL4/20, UN20/8, AM7/4.
Channel Deriving Panel used on the Manchester-Carlisle
switching system to derive switching switching, monitoring
and telephone channels. PAlM/5lA, PAlM/5lB are used in
Manchester and 2 PAlM/5lC in Carlisle, all being
identically equipped but rear wiring slightly different.
2 x PN3/23 with UNl/62, UNl/63, UNl/64, UNLM/65, UN20/4,
FL3/6, FL4/2l, PS2/9, 2 AM7/2. UN9/l2A, UN9/l2B and
UN9/l2C are fitted in PALM/5lA, PALM/SIB and PALM/5lC
respectively. DD 1965/67. WITHDRAWN.
Power Supplier Panel
AM2M/505 amplifiers.
DD 1965/67. WITHDRAWN.
used to
PN3/23
supply
with
l8V and
PS2/l3M
36V to
units.
DD 1965/67. CANCELLED.
DD 1965/67. CANCELLED.
Stereo Line Equaliser Panel used at Wrotham.
UNl/79 and equalisers on CH2/l and CH2/2.
WITHDRAWN.
PN3/23A with
DD 1965/67.
Tone Inserter Panel used in conjunction with PAlM/57.
Mixes two tones of l67.9Hz and l86.2Hz in with the
overseas programme at Bush House to attract attention of
relay station staff. PN3/23 with AM7/2, MXl/5, AMl/2l,
PS2/29. DD 1965/67. WITHDRAWN.
As PAlM/56 but with AMl/2lA and OS2/29A in place of AMl/2l
and OS2/29 to give increased signalling tone level.
DD 1965/67. WITHDRAWN.
Tone Detector Panel used at overseas
conjunction with PALM/56 at Bush
programme from a short wave receiver and
to give a signal when signalling tone is
House. PN3/23 with UNll/2, FL2/7,
DD 1965/67. WITHDRAWN.
relay station in
House. Receives
operates a relay
sent from Bush
AM7/4, UN20/8.
Stereo Source Selection Connection Panel to provide access
to parts of PA17/l47. Mounts above PA17/147 on BA15/4.
483mm panel with miniature plugs and sockets. DD 1965/67.
WITHDRAWN.
Microphone Network Panel used in EP10/l6. Mounts a
lQ.125kHz band stop filter and microphone networks. 483mm
x 89mm panel mounted on BA15/4. DD 1965/67. WITHDRAWN.

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