G. F. 22
Inside Sheet
HONG KONG
INDENT No:-
PAGE.:
1.
24
Item
Quantity.
Description of Articles.
Total.
No.
Rate.
£.
S.
Estimated Cost in England.
d.
Remarks or references to specifications or special notes (if any) on separate sheet.
1
3
2
1
INDENT FOR
ONE C.W./I. C. W. TELEGRAPH TRANSMITTERS TYPE S.W.B. 4B WITH ADDITIONAL EQUIPMENT REQUIRED FOR TELEPHONY
AND
EQUIPMENT FOR DIRECT RECTIFI- CATION FROM A THREE PHASE SUPPLY BUT WITH DIRECT CURRENT FILAMENT LIGHTING FOR HONGKONG
With provision for transmission on four spot waves in harmonic relation selected between: 9.5-130 metres (31,600-2308 kc/s.)
Transmitter Rating:
To Aerial Rating
C.W. Telegraphy
-
14 metres.] 24 metres & above
2.0 K. W.
1.2 K. W.
Telephony (70%
modulation)
1.0 K.W. (carrier)
1.4 K.W. (carrier)
UNIFORM or DOUBLET TYPE OMNIDIRECTIONAL AERIALS for i three predetermined wavelengths. (64 M.not required). The aerials to be complete with all necessary detail fittings and each to be complete with a No.2 type concentric tube feeder with aerial coupling box, feeder changeover link box and all accesso ri es, or aerial feeder line equipment. (See accompany- ing letter).
RECEIVING PLANT
MAIN RECTIFIER UNIT, consisting of rigid angle framework with mounting for three M.R.7A valves, with filament transformer, and
Carried Forward......
Ref. No. S.04396/1964 P.C.33100/74124 (Modified).