Use your favorite mobile or handheld antenna as a field-expedient base station antenna!

Select from BNC, SO239 or N connections and ground radial options below.


Use this kit to quickly convert any BNC Rubber Duck antenna into an effective base station antenna.

This kit includes:

  • One aluminum angle mount with stainless steel ground radial studs and washers.
  • A BNC Female connector has been installed to the mount that accepts antennas and coax cable equipped with BNC Male connectors.
  • Four 6″ stainless spring steel ground radials. (one pair of radials, 6″ overall length on each leg)
  • Clamping bolts and saddle made from plated steel to resist rust and corrosion. Clamps to pipe,tube or conduit up to 1 1/2″ outside diameter.
  • Assembly Instructions


BNC Ground Plane Kit …. $23.45

Individual Mounts and Ground Radial Sets

Build your own Ground Plane Kit and use your favorite mobile antenna as a field expedient base station antenna!

NOTE: We do not recommend using these mounts with 102″ mobile CB whips or mobile antennas longer than 48″.

Choose your mount below and add your choice of Ground Radial sets.

  • Plain Mount: No connector, 1/2″ diameter hole. $18.95
  • BNC Mount: BNC-female on top and bottom (As shown in the kit at the top of the page) . $19.95
  • N Mount: N-female on top and bottom. $27.90
  • SO239 Stud Mount: 3/8′-24 threads on top, SO239 connector on the bottom. The chrome plated nut can be removed to expose the 3/8″-24 male threads. $25.90


Ground Radial Sets:

Radials are manufactured from 3/32″ stainless spring steel wire.
Radial length can be trimmed with a grinder or heavy duty wire cutters

One pair = 4 legs

  • 6″: One pair, 6″ overall length each leg (as shown in the BNC Kit at the top of the page. $3.50
  • 20″ : One pair, 20″ overall length each leg…Perfect for 2 meter and MURS antennas. $7.00
  • 23″ : One pair, 23″ overall length each leg