This 10-80 meter Alpha OCF (off center fed) ProMaster base & transportable antenna is built for the harshest military and civilian environments. Perfect for ALE (automatic link establishment) and all HF modes including, but not limited to, CW, SSB (USB/LSB), AM, etc. You may also use an external antenna tuner if your antenna is installed over a poor ground or not placed in a clear area.
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eHam Reviews
User Guide:
User Guide
The 43 foot system is composed of an 18 foot vertical and a 25 foot horizontal element, which are stealthy and provide simultaneous Vertical DX & Horizontal NVIS take-off angles for your radiated signal. Simply install the antenna approximately 5 to 7 feet off the ground on any conductive or non-conductive mast and connect your coax to the SO239 on the Alpha Match. Then the Vertical element will enhance high band DX while the NVIS Element enhances low band NVIS. The included RF Ground wire and stake then complete the circuit at the antenna (Note - Without the ground there would be no return path for current, which means that there would be an open circuit and the system would not work as efficiently).
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Optional Tripod:
The optionally available heavy duty steel tripod is designed for at least 2 years of continuous outdoor use, in non-salt water environments. Our two year outdoor test of this tripod revealed that it was still structurally sound, and only showed signs of fading with some surface rust (mainly on/around the screws).
Specifications:
Frequency Coverage - 80 to 10 meters
Power - 500W PEP SSB
Weight - 9 Pounds
Includes:
- 1 Heavy duty mount and hardware with Alpha Match
- 1 Self-supporting 6 section telescopic vertical element
- 5 Stainless steel clamps
- 1 25 foot NVIS Element
- 1 8 foot Ground wire & Ground stake
3D Model of the Alpha Antenna® Multiband system
80-10 Meter Analysis
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Video Guide on how to Deploy the 10-80 meter Alpha ProMaster Antenna
We are dedicated to improving all of our antennas. Specifications and descriptions are subject to change without notice.
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