The Alpha J-Pole Sr Antenna is only 60 feet in length. The unique design characteristics of this 6-160 Meter HF JPole antenna enables it to approach resonance on the major HF bands (10/12/15/17/20/40/80 Meters), all of which presents an SWR that is low enough for external tuners to achieve a perfect match, including 6 & 160 meters.
Weight: 1 pound
Configuration*: End-fed configurable as Sloped or Horizontal
Frequency Coverage: 3.5-29.7 MHz (80-10 Meters without a tuner per bands on chart & can be used on 160 & 6 meters with an external antenna tuner)
Power Rating: 500 watts PEP SSB (250W CW)
Length: 60 Feet
* We do not recommend installing this antenna as a Vertical due to verticals being inherently prone to high noise (RFI) and unpredictable radiation patterns due to proximity of coax, which also allows for common mode feedback to increase. No Balun or air choke coil should be used at the antenna. If you find that more filtering from common mode current is required, we recommend that you wrap and tie off a ground wire around the eyebolt on the Alpha Match (do not loosen the nut that holds the eyebolt in place, as you might not be able to tighten it again). We also recommend that you ground your tuner and rig, do not attach it to the same ground point as the antenna is attached. The manner in which coax is run from the feed point does not matter, as long as it does not run within 18 inches and in parallel to other components of the antenna system. For maximum effectiveness, keep your feed point as high as possible and run the antenna as a sloper for good NVIS and DX results, as a flat top for good NVIS results.
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