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LECRAFT -LINE OWNER’S MANUAL AXB1 WHIP BIPOD Page 5 DUAL BAND (+) WHIP ANTENNA Page 2 AXT1 TRIPOD ADAPTER Page 6 E 7 4 0 3 3 0 R e v . B 2 , 4 O c t . 2 0 1 8 C o p y r i g h t 2 0 1 8 , E l e c r a f t , I n c .
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20 m (resonant) or 17/15 m (compatible with a low- loss match via an antenna tuner on both bands). The AX1 is ideal for pedestrian mobile, “stealth” operation, or whenever dipoles, verticals, long wires, and other full-size antennas cannot be erected. It can be used in three ways: •...
For right-angle use with an AXB1, see page 5. For use with a camera tripod and an AXT1, see page 6. • Select the 20 or 17 m switch position on the AX1 as shown at left. Use the 17 m position for 15 m. (An ATU is always required for 17 and 15 m use.)
• At QRP power levels, CW and certain data modes (including FT8) will have an advantage over SSB. Tips • To improve signal strength, elevate the AX1 above ground by standing or using a tripod. When operating outdoors, seek high ground, or an area with a downslope in a preferred direction.
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• Firmly tighten the AXB1’s thumb screw. • For storage or transport, fold the legs of the AXB1 together. An AX1, AXB1 and KX2 will all fit in an Elecraft CS40 or ES40 bag. NOTE: The legs of the AXB1 may not be in electrical contact with the whip’s BNC...
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To use the AXT1: • Secure the AXT1 to the tripod’s threaded mount as shown below. • Attach the AX1 (or other BNC-base whip) to one of the adapter’s BNC connectors. • Attach a length of 50-ohm coax to the adapter’s other BNC connector.
L (ft) = 185 / F, or L (m) = 56 / F (F in MHz). A good starting point for elevated radials (e.g., using the AX1 with a tall tripod or mast) is a full quarter wavelength: L (ft) = 234 / F, or L (m) = 71.3 / F.
Elecraft at the time of order. Elecraft products transferred by the purchaser to a third party, either by sale, gift, or other method, who is not disclosed to Elecraft at the time of original order, are not covered by this warranty. If the Elecraft product is being bought indirectly for a third party, the third party’s name and address must be provided at time of order to ensure warranty coverage.
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