20 Ft, WIRE AERIAL 
AT SLAVE 
  
  
  
300 W 
TRANS- 
MITTER 
  
CONTROL 
UNIT 
  
  
L 
POWER 
UNIT 
  
  
  
  
AERIAL 
COIL 
  
  
  
(1) Basic Lightweight Station comprising one control unit, one transmitter unit, aerial- 
coil and 70 foot light-alloy tubular aerial mast and earth radials. A chain of Master, 
Red and Green stations of this type is described as Ref. MRG/300/70/1, the last 
digit indicating that a single control unit is used. 
TWO 20 Ft. WIRE 
AERIALS AT SLAVE 
  
  
CONTROL 
UNIT 
  
  
  
  
  
  
  
CONTROL 
UNIT 
(STANDBY) 
  
  
     
  
300 W 
TRANS- 
MITTER 
  
  
  
  
  
  
  
AERIAL 
COIL 
  
  
  
(2) Light Transportable station with two control units. The 600-watt transmitter 
is split into two sections (one the standard 300-watt unit) for maximum port- 
ability, Two power units in parallel are used and a 100-foot light alloy tubu- 
lar mast aerial. 
TWO 20 Ft. WIRE 
AERIALS AT SLAVE 
  
/ 
  
N 
CONTROL 
UNIT 
  
  
  
CONTROL 
UNIT 
(STANDBY) 
  
  
  
  
  
600 W 
TRANS- 
MITTER 
  
  
  
  
  
  
  
  
  
  
AERIAL 
COIL 
  
  
  
(3) Transportable station similar to (2) above but using a 600-watt transmitter in 
a single rack and a 150-foot light welded steel mast. 
  
À 
Note: The above examples represent Slave stations. At the Master, two control units 
can be fitted into a single standard rack 
Figure 6. MAIN UNITS OF TYPICAL DECCA MOBILE STATIONS. 
  
  
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