3 tower DA
AGSC rebuilt the ground system for KSJB in the last days October into
the 2nd week of November 2014. In case you are curious, late
October and November in ND are not the optimal times to be building a
ground system there.
KSJB's 3 tower DA resides in a slough south of Jamestown ND. The
fairly flat with only about 4ft elevation change between dry
maintainable property and 3ft of standing water. When US281 was
improved many years ago, it appears that the new roadbed occluded the
end of this slough and caused it to back up even deeper. The
original tower base piers were standing in several inches of water that
I suspect was not there at the time of the original DA construction.
Several schemes to drain the slough were discussed but none were found
that were viable due to the huge area of water involved. We
finally decided to just deal with the water and reed over growth.
An amphibious Argo Avenger was secured and a "plow" built to fit it's
integral trailer hitch. This plow is pneumatically (air) operated
to insure that the foot stayed down on or in the mud and reed root bed.