ETS-Lindgren 3109 Biconical Antenna - Manual (Page 21)

Mounting Instructions | 21
7-TR AND M AST M OUNTING O PTIONS
Following are options for mounting the Model 3109 onto an ETS-Lindgren 7-TR
Tripod or mast. Contact the ETS-Lindgren Sales Department for information on
ordering optional mounting hardware.
Mast refers to 2070 Series, 2075, and 2175 Antenna Towers.
7-TR refers to these booms:
 109042 boom —Straight boom; for general antenna mounting on a
7-TR
 108983 boom —Offset boom; for general antenna mounting on a
7-TR with pneumatic or manual polarization; can also be used to
mount stinger-type antennas
 108507 boom —Centerline rotation boom for Model 3106 Series
antennas only; when changing polarization, maintains centerline
rotation