Alpha Antenna VHF UHF HF EmComm Loop Antenna

Quick guide from the manual

The Alpha Antenna VHF UHF HF EmComm Loop is a portable antenna designed for POTA, SOTA, home, or portable use. Before operating, ensure your radio is set to the lowest power setting while tuning and properly adjust the Mic Gain for SSB/AM/FM modes.

Assembly

1. Assemble mast supports: Connect the two mast supports and insert the center mast into the top hole on the tuning box.
2. Attach coax clip: Place the top center coax clip at the top of the mast.
3. Connect loop: Screw the PL259 connectors on the outer large loop onto the SO239 connectors on the tuning box.
4. Install tuning clips: Ensure the two tuning clips are installed on the inner/outer loops.
5. Mounting: Install on a tripod with a 1/4-20 thread or insert the included tripod legs into the bottom holes on the tuning box.

Tuning Instructions

HF Tuning: Turn the tuning knob first, then adjust the two tuning clips (in/out) at the top of the loop to achieve the lowest SWR. Repeat as necessary. A tuning rod is included and can be stored in the housing or inserted into the knob to facilitate easier tuning.

VHF/UHF Tuning: Adjust the two tuning clips (in/out) to achieve the lowest SWR.

Specifications

Operating Parameters:

• Max Power: 100W PEP SSB, 50W CW, 25W Digital
• Frequency Coverage: 7MHz to 21.450MHz, plus 2 Meters and 440MHz
• Impedance: 50 ohms

Usage and Physical Parameters:

• Directionality: Semi-Directional
• Purpose: NVIS & DX
• IP Rating: IP-53
• Weight: 24 Ounces (0.68Kg)

Support

If you have any questions regarding the operation or setup of your antenna, please email [email protected].