Peterbilt 579 antennas.

Spence.....What do you pull? Flat or box trl..

 

Maybe an out back mount on the rear cab grab handle..Then your gettin into height issues with coil..hhhmmmm

 

Ok...yeah a ant will not do much good back there then..

 

Have you measured from the ground up to the mounting bracket and subtracted that distance from 13 foot 6 inches?
It's kind of hard to recommend an antenna without knowing what that measurement is

 

It's the same body style as this Kenworth.

 

These are the optional Pete dual antennas. Unfortunately. Means a shorter antenna pair, AND it really isn’t “outside” the trailer sidewalls.

PRO-COMM 4.5’ QW45 Quad-Wrap antennas might be an answer. Needs HD stud, so . . . .

They’ll be the first thing I try (as already have a pair) if I ever transition into one so equipped.

Might be able to run serious coax with those mounts. Ultraflex LMR-400 anyone? Ha!

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The ones in the pic ARE on the roof. (Enlarge).