ETS-Lindgren 3142D BiConiLog Antenna (Archived) - Manual (Page 22)

22 | Mounting Instructions
Using Included Mounting Adapters
The Model 3142D ships with these mounting adapters:
 100989 Polarizing Mounting
Adapter with 7/8 –14 thread
receptacle
If you need to convert the polarizing
adapter to a 1/4 –20 receptacle,
insert the 1/4 –20 thread insert into
the polarizing adapter
 105861B 1/4 –20 Thread Insert
Archived 6/19/13