High-quality HF antenna loading coils & EFHW antennas
All prices shown on this site are in Australian currency (AUD$)
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Video
Introducing the Mad Dog Coils "Little Dog"
This coil has been designed to be paired with 25 or 17 foot telescopic whips. It is built to handle the weight and forces of the Chameleon SS25 telescopic whip and will tune down to the 80m band. It is the same diameter as the Bis Dog at 2 inches, but much shorter in length and the weight is 600 grams (about 1.4 lbs). Available with 3/8-24 or 10mm hardware.
Introducing the Mad Dog Coils “Big Dog”
The Big Dog coil has been designed to be paired with the Chameleon SS25 telescopic whip. It is built to handle the weight and forces of the 25 ft whip and will tune down to the 160m band. This coil is designed for portable use. 7 Minutes.
Introducing the Mad Dog Coils "Rottie" Antenna Mount
The MDC Rottie is a very strong antenna mount for telescopic whips providing vertical and V-dipole antenna configurations.
Introducing the MDC Mutt EFHW Transformer and Antenna
The MDC Mutt 56:1 transformer and half wave end fed antennas are now available to purchase. 12 minutes.
Swapping out the top bolt of the Mad Dog Coil
This instructional video shows the procedure and swapping the top bolt on a Mad Dog Coil from a metric M10 to an imperial 3/8. But using the same method you can swap a 3/8 to a M10 bolt. 10 Minutes.
For those who want to make their own
Marty VK4KC is most happy to sell you a quality Mad Dog Coils product but for those who would like to make their own, here is a step by step build video of one of the earlier models. 24 minutes.
Featured Products
Where to Purchase antenna whips and other accessories
Contact Us
Better yet, see us in person!
Mad Dog Coils will be at the Sunfest Amateur Radio Field Day on the 14th Sep 2024 at Coolum QLD
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