GitHub - mfhepp/gobox: Mechanical parts and assembly instructions for turning the Mountain Topper MTR-3B or MTR-5B into a compact all-in-one station for SOTA or other ham radio operations in the outdoors.
Mountain Topper MTR-3B | The SWLing Post
Mountain Topper Radio review by G0POT | Q R P e r
LNR Precision Inc – Official Supplier of Mountain Topper Transceivers