Instruction Sheets for Part Number ALP-BASEMAGLOOP
Alpha Antenna 100W Base HF MagLoop Antennas
Antenna, Base, MagLoop, 40-10M, 3ft. Loop, 100W SSB, 50W CW, 25W Digital, Remote Matching Unit, 50ft. Coax/Control Cable, SO239, Mast Mounts, Each
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Estimated Ship Date: Nov 12, 2026 Would you rather pick it up?
Overview
Alpha Antenna 100W Base HF MagLoop Antennas
Alpha Antenna 100W Base HF MagLoop Antennas feature a 3ft. wide loop that covers frequencies from 40 -10 meters. They are remotely tuned and rated for 100W PEP SSB, 50W CW, and 25W digital, with each rating based on duty cycles. The magnetic loop antenna is a complete circuit, eliminating the need for radials or a counterpoise. Additionally, a direct wired remotely controlled matching unit is included for convenient remote operation.
Key Features:
Frequency Range: Covers the 40 - 10-meter bands.
Power Handling: Rated at 100Watts PEP SSB, 50 watts CW, and 25 watts digital, ensuring robust performance across different modes.
Remote Tuning: Easily adjust the antenna from a distance with the included remotely controlled matching unit
Compact Design: The 3ft. wide loop is perfect for limited spaces and functions as a complete circuit without the need for radials or a counterpoise
Durability: Built to withstand the elements, ensuring long-lasting performance in various environments.
Flexible Mounting Options: Top or Center Mast mounting options on masts up to 1.25in. diameter.
When operating from your home shack, Alpha Antenna 100W Base HF MagLoop Antennas provide the reliability and performance needed to enhance your operating capabilities.
Included Accessories:
Remote Matching Unit, for tuning the antenna
Coax, 50ft
Remote Control Cable, 50ft
Inner Loop with SO-239 for connecting the antenna to your equipment
Outer Loop with a circumference of 8ft. 6in. that covers 40-10m
Mounting hardware
(2) 16in. Cross Supports
(1) Top Mast Mount
(1) Center Mast Mount
U-Bolts
Helpful Tips
Minimum mounting height is 1 loop diameter high (about 3ft. or higher)
The Alpha Base MagLoop can be placed high enough to see above and past obstacles
Attic installations with asphalt shingles typically see only a little more than 1 S-Unit of loss
Can be mounted horizontally on your mast to enhance Omnidirectional and NVIS performance
Total maximum tuning time from 7.0MHz to 29.7MHz is 90 seconds when the tuning speed knob is turned completely to the right
Tapping the left or right button allows for easy step tuning
NOTE – When mounted vertically, the Alpha Loop has radiation patterns that begin to overlap in the far field, minimizing directionality and remaining fairly directional in the near field. This increases its ability to null out noisy electronics that cause interference.
Specifications
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Some parts are not legal for use in California or other states with similar laws / regulations
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