WB9Z working on his 40 meter Yagi
In mid air!
At 140 feet!
Photos by Ken K9QK, Clay N9IO

This is VERY cool...
This is what serious DXers and contesters are all about!

By the way, don't try this at home!
Jerry does this for a living with many
years of experience under his belt...


I think many hams that do their own antenna
work will get a bang out of these photos.

This work involved 4 men,  2 on the tower
and 2 equipment operators on the ground.

The antenna is a 3 element full sized 40 meter yagi.
The boom is 40' long and the elements around 67' each.

This antenna is up at 140'.
Yes, that is I out on the boom.

All this was very safe.
A 40' "gin pole", which 20' is above the tower
was temporarily added to give us
"extra head room" for rigging purposes.
I was riding out on a  1/4" steel aircraft cable
attached to a hydraulic winch/hoist rated at 10K lbs.
Overhead is a 1/2" rope running over to the top of a
160' tower then down to the ground to a "rope capstan".
This allowed me to be " tramed" or raised and lowered
wherever I wanted, out away from the tower.
I of course was wearing a full body harness with a
"life line" back to the tower in case anything failed.
Which I was confident would not.

Everything went very well, but these repairs took over
one day alone,  because of the large amount of rigging
to be done first and then removed later.
Everyone on site had to work together
to make this repair job a success.

Recent lightning has had me very busy getting
the station back in shape for contest season.

Thanks for viewing these pages!
73' and best DX!!!
Jerry Rosalius, WB9Z

WB9Z working on his full size 40 meter yagi at 140 feet
I was riding out on a  1/4" steel aircraft cable
attached to a hydraulic winch/hoist rated at 10K lbs.

WB9Z
Overhead is a 1/2" rope running over to the top of a
160' tower then down to the ground to a "rope capstan".
This allowed me to be " tramed" or raised and lowered
wherever I wanted, out away from the tower.
I of course was wearing a full body harness with a
"life line" back to the tower in case anything failed.
Which I was confident would not.

The WB9Z antenna farm
This is the entire WB9Z antenna farm at Crescent City, IL.
The antenna tower I was working on
is the second from the right.



Comments on the
"WB9Z 40 Meter Yagi Page?"
E-Mail Jerry, WB9Z
jerry@daca.net

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Latest update October 7, 2001
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