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D8 HF Tower Repair

D8 HF Tower Repair. Problem – Rotor broken (again) Options – Fix rotor only Cheapest, rotor will fail again Replace tubular tower with triangular tower sections Base mount, guy questions, won’t tilt over (?) Modify tubular tower with rotor at bottom

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D8 HF Tower Repair

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  1. D8 HF Tower Repair Problem – Rotor broken (again) Options – Fix rotor only Cheapest, rotor will fail again Replace tubular tower with triangular tower sections Base mount, guy questions, won’t tilt over (?) Modify tubular tower with rotor at bottom Relieve rotor stress, retain D8 roof “profile” Mucho design, metal work needed

  2. Low Band Antennas • Current Capabilities • 160 Inverted “L”, ~30 ft. vert. • Very marginal performance • 80/40 Inverted “V”, ~30 ft. at apex • Very marginal performance • 160/80/40 Pennant RX ant • Strung over WARC band beam

  3. ~ $910 + $560 (tuner)

  4. ~ $1390 + ~ 950 (tuner)

  5. $870 $520

  6. Low Band Antenna Other options – Vertical tower sections with homebrew tuner ????? Potential issues - Guy/base attach points on D8 roof Total height

  7. Proposal Modify D8 tubular tower to rotating, self supporting - Design/fab/install - ~ $150 fix rotor - ~ $250 materials Investigate Titanex 160S guying/base options - Assuming acceptable solutions to guying/base, purchase antenna/tuner - ~ $910 antenna - ~ $560 tuner

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