2020
Coax jumper
Using Foam hardline RFS LCF 12-50 and 7/16. Before installing the Jumper it has to be tested @50 ohm
Squeeze
15mm flexible rubber gasoline pipe is used to prevent the hardline to be damaged.
Using 2 sizes cabel-tie's.
Coax-Seal and Scotch-Tape to make it waterproof.
Extra Tie to prevent a loosen the end piece .tape
Ready
Ready fot lifting...
Install NORDLOCK washers to prevent looseningNord-Lock washers secure bolts with tension instead of friction. The system cannot loosen unintentionally as it creates a wedge-effect underneath the bolt head or nut.
Using the tramline or tramway pulling the antenna outward from the tower.
Its time to builld a towerlift! ;o)
Performance
10 element 144 MHz. @130 ft (~ 43m)
Boom 6m.
Groundlevel altitude = -0,5m
Best Frequency 144.561 @ 1.2
Loss
Calculated loss.
Click to enlarge the systems loss table
View North and South
Double clamps
The ScotchFil tapes and mastics are used for protection of connectors, splices and interfaces that are exposed to corrosive
environmental conditions:
Butyl tape black, 63.5 mm
PVC tape black, 19 mm
Self fusing tape 50 mm
