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370CP38 BTM/BALUN/PHASE LINE DETAIL 

REAR OF ANTENNA 

JUNCTION BLOCK 

HORIZONTAL 

D.E. 

VERTICAL 

D.E. 

BALUN 

BALUN 

RG-6 3/4 

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RG-6 1/4 

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NOTE: 

INSTALLATION OF THE D.E. BLOCKS DETERMINES THE CIRCULARITY OF THIS ANTENNA. THE 

ORIENTATION OF THE BLOCKS FOR RHC - RIGHT HAND CIRCULARITY, IS SHOWN BELOW & 

ON THE DIMENSION SHEET. 

 

FOR LHC - LEFT HAND CIRCULARITY, SIMPLY REVERSE ONLY ONE OF TWO D.E. BLOCKS TO 

THE OPPISITE SIDE OF THE BOOM.  DO NOT TO REVERSE THE DIRECTIONS OF THE BALUNS.

 

Summary of Contents for 370CP38

Page 1: ...circular polarized antenna with a remarkably clean pattern The pattern is important in order to match the antenna s noise temperature with modern low noise preamps This antenna is ideal for satellite work but is also excellent for terrestrial uses like long haul tropo communications The CNC machined driven element module is O ring sealed and weather tight for low maintenance and long term peak per...

Page 2: ...nd forefinger to hold the retainer over the end of the PUSH TUBE 3 8 x 3 tube supplied in the kit internal fingers on retainer dished into tube HOLD THE ELEMENT FIRMLY TO PREVENT IT FROM SLIDING OFF CENTER and press the retainer onto the element end and continue until retainer butts on insulator button Locking pliers lightly clamped up against opposite button insulator will help maintain center re...

Page 3: ... The boom to mast plate is normally mounted to the boom at the balance point Since the feed line represents significant weight it is best to have it attached and fastened to the boom with cable ties before final mounting the plate Use two 1 U bolts and the stainless nuts and lock washers provided DO NOT OVER TIGHTEN 2 U bolts and stainless steel nuts lockwashers are provided for mounting the anten...

Page 4: ...370CP38 BOOM LAYOUT REAR OF ANTENNA FRONT OF ANTENNA ...

Page 5: ...370CP38 DIMENSION SHEET ...

Page 6: ...OTE INSTALLATION OF THE D E BLOCKS DETERMINES THE CIRCULARITY OF THIS ANTENNA THE ORIENTATION OF THE BLOCKS FOR RHC RIGHT HAND CIRCULARITY IS SHOWN BELOW ON THE DIMENSION SHEET FOR LHC LEFT HAND CIRCULARITY SIMPLY REVERSE ONLY ONE OF TWO D E BLOCKS TO THE OPPISITE SIDE OF THE BOOM DO NOT TO REVERSE THE DIRECTIONS OF THE BALUNS ...

Page 7: ...POLARITY SWITCH OPTION DETAILS REAR OF ANTENNA JUNCTION BLOCK HORIZONTAL D E P S VERTICAL D E BALUN BALUN RG 6 3 4 RG 6 1 4 ...

Page 8: ...370CP38 VSWR ...

Page 9: ...G BAR 1 4 X 3 4 M2ASB0080 4 U BOLT CRADLE 2 2 U BOLT 1 5 2 PENETROX ZINC PASTE CUP 1 ASSEMBLY MANUAL 1 HARDWARE BUTTON INSULATORS 76 SHAFT RETAINER SS 76 NUT 5 16 18 SS 8 LOCKWASHER 5 16 SS 8 SCREW 8 32 X 1 3 4 SS 4 SCREW 8 32 X 1 1 2 SS 4 SCREW 8 32 X 1 1 4 SS 3 LOCKNUT 8 32 SS 8 SETSCREW 8 32 X 1 4 SS 8 CABLE TIE 8 NYLON 4 SEAL NUTS 3 8 32 8 ALLEN HEAD WRENCH 5 64 1 PUSH TUBE 3 8 X 3 1 POLARITY ...

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