- 279
1957/58. OBSOLESCENT.
PAl7
PA17/28
PA17/29
Used with PS3/3. 1957/58. OBSOLESCENT.
Used at Penman for remote switching.
DD Spec 2.130. OBSOLESCENT.
1957/58.
PA17/30
Used at Towyn for remote
OBSOLESCENT.
switching.
1957/58.
PA17/31
Used at Glasgow for line reversing and part-time carrier
switching circuit. 1957/58. DD Spec 3.177. OBSOLESCENT.
PA17/32
Used at Meldrum for remote switching of VHF Home
Transmitters. 1957/58. OBSOLESCENT.
PA17/33
Used with BA9/11 to provide battery "marking". 1957/58.
OBSOLESCENT.
PA17/34
Used with BA7/2 for monitoring facilities on headphones
and/or loudspeaker for three EMX and Monitoring position.
DD 1958. DD Spec 3.219. OBSOLESCENT.
PA17/35
Installed at Colwyn Bay for switching receiver outputs and
line testing equipment. 1958. OBSOLESCENT.
PA17/36
Installed at Bangor for line test switching.
OBSOLESCENT.
1958.
PA17/37
Used on BA9/l3 in operator's and EMX lines telephone
circuits. 1958. DD Spec 3.195. OBSOLESCENT.
PA17/38
Used for source signalling for 6 channels. DD 1958.
DD Spec 3.196. OBSOLESCENT.
PA17/39
Used for 2 channel telephone circuits.
DD Spec 3.197. OBSOLESCENT.
DD 1958.
PA17/40
Used for studio loudspeaker and talkback circuits.
DD 1958. DD Spec 3.198. OBSOLESCENT.
PA17/41
Used for main and auxiliary PFL circuits.
DD Spec 3.199. OBSOLESCENT.
DD 1958.
PA17/42
Used for amplifier changeover. DD 1958. DD Spec 3.200.
OBSOLESCENT.
PA17/43
Used for cubicle loudspeaker and headphone circuits.
DD 1958. DD Spec 3.201. OBSOLESCENT.
PA17/44
Used for clean feed and cue programmes (3 channels).
DD 1958. DD Spec 3.202. OBSOLESCENT.
PA17/45
PA17/46
Used for studio
PFL
circuits.
DD 1958.
DD
Spec 3.203.
OBSOLESCENT.
 
 
 
 
 
 
Used
at
Penmon
for
remote
control
system.
1958.
OBSOLESCENT.
 
 
 
 
 
 

79