PA17
PA17/145
PA17/146
PA17/147
PA17/148
PA17/149
PA17/150
PA17/151
PA17/152
PA17/153
PA17/155
PA17/156
PA17/157
PA17/158
PA17/159
286
Mounts 23
switching.
for prefade and
1965. OBSOLESCENT.
other programme
relays
CH1/29.
Remote Start Relay Panel for Regional Television
Continuity. Mounts 14 relays for remote operation of tape
and disk machines. CH1/29. 1965. OBSOLESCENT.
Relay Panel used on the Manchester-Carlisle Switching
System to repeat and store signals received over a line.
483mm x 89mm. 1966. WITHDRAWN.
Stereo Switching Relay Panel used on BA9/6, BA9/7, BA9/8
to provide additional programme switching levels for
stereo. CH1/IO with 46 STC Type 25 relays. 1966.
DD Spec 3.443. OBSOLESCENT.
Monitoring Control Relays used in Manchester Operations
Centre. CHl/29. 1966. OBSOLESCENT.
FMU Telephone and Monitoring Relay Panel used to provide
telephone facilities and headset monitoring in conjunction
with PA8/508. CHl/10 with UNIO/7 and 5 sets of telephone
L relays etc. 1966. OBSOLESCENT.
Studio LS Relay Panel for
Modified PA17/40. CH1/10.
OBSOLESCENT.
Stereo Continuity Suite.
1966. DD Spec 3.443.
Prefade Listen Stereo Relay Panel for Stereo Continuity
Suite. Modified PA17/41. CH1/10. 1966. OBSOLESCENT.
Amplifier C.O. Stereo Relay Panel for Stereo Continuity
Suite. Modified PA17/4l. CH1/10. 1966. OBSOLESCENT.
Cubicle LS and HP Stereo Relay Panel for Stereo Continuity
Suite. Modified PA17/45. CH1/10. 1966. OBSOLESCENT.
Prefade Listen Stereo Relay Panel for Stereo Continuity
Suite. Modified PA17/45. CH1/10. 1966. OBSOLESCENT.
Selection Interlocking Relay Panel allowing only one of up
to ten separate control areas to have access to equipment
with common connectors. First used stereo source
selection system in Broadcasting House Extension. CHl/10.
DD 1967. DD Spec 3.453. OBSOLESCENT.
Translator Changeover Relay Panel (100W/10W) used with
EP7/1X fitted with 100W Marconi amplifier. (High-power
system). l78mm x 483mm hinged panel. 1967. WITHDRAWN.
Translator Changeover Relay Panel
(Low-power System). l78mm x 483mm.
WITHDRAWN.
used with
hinged panel.
EP7/1X.
1967.
Facilities Routing Relay
CH1/10 with 20 relays
WITHDRAWN.
Panel used at Television Centre.
and 2 100 way tag blocks. 1967.

86