THE GAP ANTENNA Segment 4 Testing the GAP

THE GAP ANTENNA Segment 4 Testing the GAP Challenger DX-8 Antenna

THE GAP CHALLENGER DX-8 ANTENNA Testing � Test the antenna on HF bands - 80 m, 40 m, 20 m, 15 m, 12 m, 10 m, 6 m. � For 80 meters, the capacitor at the top governs center frequency for resonance. � Results for testing the seven bands shown following. 80 M SWR Freq 3. 600 3. 725 3. 800 3. 900 4. 000 5, 1 4, 1 3, 1 2, 1 1, 1 3, 600 3, 725 3, 800 3, 900 4, 000 80 Meters SWR R 4. 9 108 2. 0 50 1. 1 47 2. 0 61 3. 8 110 X 115 37 7 43 94

THE GAP CHALLENGER DX-8 ANTENNA Testing: 40 M SWR 3, 0 2, 0 1, 0 7, 000 7, 120 7, 200 7, 300 Freq 7. 000 7. 120 7. 200 7. 300 40 Meters SWR R 1. 2 47 1. 5 46 1. 8 47 2. 0 49 X 12 21 29 38 20 M SWR 3, 0 Freq 14. 000 14. 120 14. 200 14. 350 2, 5 2, 0 1, 5 1, 0 14, 000 14, 120 14, 200 14, 350 20 Meters SWR R 1. 7 58 1. 7 84 1. 7 78 1. 7 65 1. 7 58 X 29 15 25 30 29

THE GAP CHALLENGER DX-8 ANTENNA Testing: 15 M SWR 3, 0 2, 5 2, 0 1, 5 1, 0 21, 000 21, 100 21, 200 21, 300 21, 450 Freq 21. 000 21. 100 21. 200 21. 300 21. 450 15 Meters SWR R 1. 4 69 1. 4 72 1. 5 69 1. 6 62 1. 7 51 1. 8 47 X 7 10 19 26 29 31 12 M SWR 3, 0 2, 5 2, 0 1, 5 1, 0 24, 900 24, 930 24, 950 24, 990 Freq 24. 900 24. 930 24. 950 24. 990 12 Meters SWR R 1. 5 47 1. 6 46 1. 6 45 1. 6 44 X 22 23

THE GAP CHALLENGER DX-8 ANTENNA Testing : 10 M SWR 3, 0 2, 5 2, 0 1, 5 1, 0 28, 000 28, 300 28, 500 29, 000 29, 500 29, 700 Freq 28. 000 28. 300 28. 500 29. 000 29. 500 29. 700 10 Meters SWR R 1. 8 68 1. 6 55 1. 4 53 1. 6 50 2. 4 22 2. 7 18 X 34 23 18 26 15 7 Freq 50. 100 51. 000 52. 000 53. 000 54. 000 6 Meters SWR R 1. 9 45 2. 8 75 1. 9 26 1. 5 42 1. 5 48 X 32 68 10 20 19 6 M SWR 3, 0 2, 5 2, 0 1, 5 1, 0 50, 100 51, 000 52, 000 53, 000 54, 000

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