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BevFlex-4X Installation Manual Rev 2.23 November 2019
Figure-18 VE3DO Antenna Block Diagram
Receiver
Control Unit
Coax
Ham Shack
Terminator Unit
Feed Unit
Ant
Rev
Ant
Fwd
B OUT
FWD IN
A OUT
REV IN
RX
Forward
Reverse
BevFlex-4X Block Diagram - VE3DO Configuration
RG-6 feed lines to shack
Any length, do not need
to be the same length
Directions
#12 Antenna wire
Lower side ground height: 12"-24"
12" optimized for 80M, 18"-24" optimized for 160M
Horizontal length: 20'-40'
40' optimized for 160M, 20' optimized for 80M
Terminator Unit
10'
Terminators placed near Feed Unit
Ground Rod
REV END
FWD END
Note: Feed line connections are
reversed for EWE, Flag and
VE3DO configurations.
Directions indicate direction of
the main receive lobe.
Terminal 1
Terminal 1
Terminal 2
Terminal 2
7. Terminator Unit Connections and Configuration
The different antennas supported have different impedances. The Terminator Units have different taps and terminals to
account for the different impedances. Table-3 summarizes the connections and internal jumpers for the antenna types
supported.
