80m Base Loading Coil for the BigIR Mark IV Vertical


SKU: 06021 Category:


Attaches to base of the BigIR vertical, expanding coverage to the 80m/60m bands. Power limit of 1.5kW for 80m/60m, 3kW on 40-6m. Additional 4 conductor cable required when adding this option. Requires updated mounting post and high wind kit with plastic saddles and fiberglass plate to prevent arcing!


It is highly recommended to use the new fiberglass mounting post and new high wind kit with plastic saddle clamps and fiberglass plate if using a loading coil to reduce possibility of arcing from high power.


Refurbished units:

1 Year Manufacturers Warranty from date of purchase.

-Fully rebuilt, inspected, and tested by a certified SteppIR Technician.

-Requires core unit to be sent back within 30 days of receiving the refurbished unit (card will be charged for new unit price if we do not receive a core within 30 days).

-Core unit must be the same as refurbished unit.

*Does not include control cable.

*Coil pictured is a general representation and may not resemble this specific coil exactly.

Additional information

Weight 7 lbs
Dimensions 20 × 12 × 12 in
Coil Condition

New Unit, Refurbished Unit