[NLRS] Which coax for tower mounted dish?

[Scott]

Planning for the future, if I mount a DSS dish on a tower, what would be 
the coax of choice between the feedhorn and the transverter that can 
take repeated flexing from the dish swinging through azimuths from stop 
to stop of the rotor?  LMR-240UF perhaps?  I would estimate about a 3 
foot run.  Maybe some WR90 flexible waveguide with transitions on the ends?

-- 
Scott N0EDV
http://corbenflyer.tripod.com/
Flying Corben Junior Ace - Building RV-4
Gotta Fly or Gonna Die