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BigIR Mark IV Vertical Antenna, 40m-6m Package - SteppIR, Inc - Antennas for Amateur Radio and Industry
![TX7G on Twitter: "Testing the SteppIR CrankIR vertical. This is a custom built version for better 80 meter efficiency and no tripod. http://t.co/wu0h0LbUU7" / Twitter TX7G on Twitter: "Testing the SteppIR CrankIR vertical. This is a custom built version for better 80 meter efficiency and no tripod. http://t.co/wu0h0LbUU7" / Twitter](https://pbs.twimg.com/media/BvdLFp0CUAAfzKl.jpg:large)
TX7G on Twitter: "Testing the SteppIR CrankIR vertical. This is a custom built version for better 80 meter efficiency and no tripod. http://t.co/wu0h0LbUU7" / Twitter
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