hr index - propagation

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360-degree MINIMUF propagation prediction N4UH 25 Feb 87 +
6-meter sporadic-E openings, predicting WA9RAQ 38 Oct 72
6-meter sporadic-E openings, predicting Added note (letter) 69 Jan 74 +
Achieve polarization, diversity through variable power splitting W3NGJ 10 Feb 86 +
Artificial radio aurora, scattering characteristics of WB6KAP 18 Nov 74 +
Calculator-aided propagation predictions N4UH 26 Apr 79 +
Calculator-aided propagation predictions Comments 6 Sep 79 +
Digital ionosondes K2RR 14 Dec 83 +
Diversity reception of HF digital communication WM6P 67 Jun 90 +
DX forecaster K0RYW 76 Jan 81 +
DX forecaster K0RYW 92 Feb 81 +
DX forecaster K0RYW 78 Mar 81 +
DX forecaster K0RYW 52 Apr 81 +
DX forecaster K0RYW 76 May 81 +
DX forecaster K0RYW 52 Jun 81 +
DX forecaster K0RYW 56 Jul 81 +
DX forecaster K0RYW 46 Aug 81 +
DX forecaster K0RYW 48 Sep 81 +
DX forecaster K0RYW 46 Oct 81 +
DX forecaster K0RYW 76 Nov 81 +
DX forecaster K0RYW 78 Dec 81 +
DX forecaster K0RYW 74 Jan 82 +
DX forecaster K0RYW 74 Feb 82 +
DX forecaster K0RYW 82 Mar 82 +
DX forecaster K0RYW 70 Apr 82 +
DX forecaster K0RYW 50 May 82 +
DX forecaster K0RYW 42 Jun 82 +
DX forecaster K0RYW 78 Jul 82 +
DX forecaster K0RYW 80 Aug 82 +
DX forecaster K0RYW 82 Sep 82 +
DX forecaster K0RYW 82 Oct 82 +
DX forecaster K0RYW 84 Nov 82 +
DX forecaster K0RYW 80 Dec 82 +
DX forecaster K0RYW 74 Jan 83 +
DX forecaster K0RYW 56 Feb 83 +
DX forecaster K0RYW 84 Mar 83 +
DX forecaster K0RYW 94 Apr 83 +
DX forecaster K0RYW 74 May 83 +
DX forecaster K0RYW 65 Jun 83 +
DX forecaster K0RYW 82 Jul 83 +
DX forecaster K0RYW 66 Aug 83 +
DX forecaster K0RYW 84 Sep 83 +
DX forecaster K0RYW 87 Oct 83 +
DX forecaster K0RYW 90 Nov 83 +
DX forecaster K0RYW 92 Dec 83 +
DX forecaster K0RYW 83 Jan 84 +
DX forecaster K0RYW 79 Feb 84 +
DX forecaster K0RYW 93 Mar 84 +
DX forecaster K0RYW 93 Apr 84 +
DX forecaster K0RYW 119 May 84 +
DX forecaster K0RYW 109 Jun 84 +
DX forecaster K0RYW 103 Jul 84 +
DX forecaster K0RYW 63 Aug 84 +
DX forecaster K0RYW 79 Sep 84 +
DX forecaster K0RYW 100 Oct 84 +
DX forecaster K0RYW 92 Nov 84 +
DX forecaster K0RYW 63 Dec 84 +
DX forecaster K0RYW 84 Dec 86 +
DX forecaster Comments:low band DXing, W0SII 6 Apr 87 +
DX Forecaster: 1985 Review K0RYW 99 Apr 86 +
DX forecaster: 1986 propagation review K0RYW 105 May 87 +
DX forecaster: 1987 propagation summary K0RYW 92 May 88 +
DX Forecaster: 1988 Propagation Summary K0RYW 109 May 89 +
DX Forecaster: 1989 DX propagation conditions K0RYW 82 May 90 +
DX Forecaster: A Geomagnetic Ionosphere Disturbance K0RYW 91 Jul 86 +
DX forecaster: a spring DX solution K0RYW 97 Apr 87 +
DX Forecaster: Antenna-to-lonosphere Path Match K0RYW 92 Oct 86 +
DX Forecaster: Better DXing in 1989 K0RYW 96 Jan 89 +
DX forecaster: DX propagation K0RYW 108 Jan 87 +
DX forecaster: DX propagation Comment: HORANT for CP/M 6 Feb 87 +
DX Forecaster: DX propagation software K0RYW 88 Apr 90 +
DX forecaster: DX signal quality K0RYW 80 Apr 88 +
DX Forecaster: DXing During the Summer QRN Season K0RYW 96 Aug 89 +
DX Forecaster: DXing From Winter Anomalies K0RYW 78 Dec 89 +
DX forecaster: dxing via the winter anomaly K0RYW 91 Oct 87 +
DX Forecaster: Equinoctial DX Propagation Brings Change K0RYW 122 Sep 85 +
DX Forecaster: Equinox DX Conditions K0RYW 102 Mar 89 +
DX forecaster: equinox problems K0RYW 106 Mar 87 +
DX forecaster: equinox season DX K0RYW 85 Oct 87 +
DX Forecaster: Equinox Season DX K0RYW 98 Sep 86 +
DX Forecaster: Equinox Season DXing K0RYW 96 Sep 89 +
DX forecaster: high sunspot propagation problems-part 1 K0RYW 104 Sep 88 +
DX forecaster: high sunspot propagation problems-part 2 K0RYW 96 Oct 88 +
DX forecaster: Ionosphere Matching K0RYW 92 Jan 85 +
DX Forecaster: Know Sporadic-E Skip K0RYW 96 Jul 89 +
DX forecaster: more DX propagation tips K0RYW 88 Feb 87 +
DX Forecaster: More New Cycle 22 DX K0RYW 91 Feb 89 +
DX Forecaster: More on Equinox Propagation K0RYW 96 Oct 89 +
DX Forecaster: More on Ionosphere Matching K0RYW 75 Feb 85 +
DX forecaster: more sporadic-E K0RYW 85 Sep 87 +
DX Forecaster: MUF Forecasting K0RYW 98 Dec 85 +
DX Forecaster: MUF Patterns and Trends K0RYW 112 Jan 86 +
DX Forecaster: receiving DX beacons K0RYW 96 Feb 90 +
DX Forecaster: Signal Levels During Summer Months K0RYW 100 Aug 85 +
DX forecaster: Solar cycle update K0RYW 96 Jan 88 +
DX Forecaster: Sporadic E Propagation K0RYW 102 Jun 85 +
DX forecaster: Sporadic E season - 1988 K0RYW 88 Jun 88 +
DX Forecaster: Sporadic-E Basics for 1989 K0RYW 88 Jun 89 +
DX Forecaster: Sporadic-E DX K0RYW 101 Jun 86 +
DX Forecaster: Sporadic-E Propagation K0RYW 118 May 86 +
DX forecaster: sporadic-E season K0RYW 66 Jun 87 +
DX Forecaster: spring frequency changes K0RYW 85 Mar 90 +
DX Forecaster: Spring Thunderstorm K0RYW 110 Apr 89 +
DX Forecaster: Springtime QRN K0RYW 97 Mar 86 +
DX Forecaster: Summer Propagation K0RYW 90 Aug 86 +
DX Forecaster: summer short skip signals K0RYW 73 Jun 90 +
DX forecaster: summer signal levels K0RYW 88 Aug 88 +
DX forecaster: summer thunderstorm noise K0RYW 78 Jul 87 +
DX forecaster: Summer thunderstorm noise K0RYW 83 Jul 88 +
DX forecaster: summertime DX K0RYW 82 Aug 87 +
DX Forecaster: Summertime DX K0RYW 100 Jul 85 +
DX Forecaster: Sunspot Cycle Update K0RYW 105 Oct 85 +
DX Forecaster: Sunspot cycle views K0RYW 84 Apr 85 +
DX Forecaster: Sunspot Minimum K0RYW 84 Nov 86 +
DX Forecaster: Sunspots and MUFs K0RYW 78 Feb 86 +
DX Forecaster: the DX beacon game K0RYW 82 Jan 90 +
DX forecaster: the ultimate antipode DX K0RYW K0RYW 78 Mar 88 +
DX forecaster: transequatorial DX update K0RYW 90 Feb 88 +
DX Forecaster: Vernal Equinox DX K0RYW 120 Mar 85 +
DX Forecaster: What's this Sporadic E? K0RYW 79 May 85 +
DX forecaster: Winter anomalous absorption K0RYW 101 Dec 86 +
DX forecaster: winter DX K0RYW 57 Nov 87 +
DX forecaster: Winter DX anomalies K0RYW 110 Dec 88 +
DX forecaster: Winter DX season K0RYW 108 Nov 88 +
DX Forecaster: Winter DX Season K0RYW 92 Nov 85 +
DX Forecaster: Winter DX Season K0RYW 96 Nov 89 +
Dxing by computer NS6N and Buchanan, Waiter 81 Aug 84 +
Echoes, long delay WB6KAP 61 May 69 +
Elmer's notebook: propagation basics W1SL 81 Aug 88 +
EME link calculator program KE6ZE 9 Feb 86 +
EME link calculator program Comments, KC8OH 70 Apr 86 +
Grayline propagation, fundamentals of KR7L 77 Aug 84 +
Ham Radio techniques: Dx is getting better and better! Here's why! W6SAI 28 Apr 88 +
Ham Radio Techniques: Have You Met SID? W6SAI 31 Jul 89 +
Ham Radio techniques: New Zealand, Maui, and the solar cycle W6SAI 22 Dec 88 +
Ham Radio techniques: On our way up! W6SAI 26 Sep 88 +
HF ground wave propagation WA9GFR 81 May 86 +
How to plot great circles on your favorite map W4BW 81 Aug 86 +
Ionospheric E-layer WB6KAP 58 Aug 69 +
Ionospheric science, short history of WB6KAP 58 Aug 69 +
L-band ground wave propagation program WA9GFR and Joseph R. Hennel 103 Jan 86 +
L-band ground wave propagation program Comment, WA9GFR 9 Apr 86 +
Long-distance high frequency communications WB6KAP 80 Jul 68
Maximum usable frequency, predicting WB6KAP 70 Sep 68
Moon coordinates, determining basic W2WD 38 Jan 85 +
Moon-tracking by computer K6WX 38 Mar 84 +
New band propagation KK2XJM (W4MB) 12 Jan 83 +
Pathfinder- part two K3FR 47 Oct 88 +
Quiet sun, the WB6KAP 76 Dec 68
Radio astronomy and the search for extra terrestrial intelligence WB3JZO 10 Mar 85 +
Radio signals, radiation of W1GV/4 26 Jun 82 +
Return to the 360-degree propagation prediction N4UH 41 Oct 87 +
Russian Woodpecker, the: a continuing nuisance KR7L 37 Nov 84 +
Scatter-mode propagation, frequency synchronization for K2OVS 26 Sep 71
Skywave communications WB3JZO 9 Mar 90 +
Skywave communications, part 2 WB3JZO 60 Apr 90 +
Skywave communications, part 3 WB3JZO 34 May 90 +
Solar activity and the earth's magnetosphere KR7L 8 Aug 87 +
Solar cycle 20, vhfer's view of WA5IYX 46 Dec 74 +
Solar outages, predicting VE7ABK 75 Mar 85 +
Sporadic E and 50-MHz transatlantic propagation during 1987 G3NAQ 10 Jul 88 +
Sunspot numbers WB6KAP 63 Jul 69 +
Sunspot numbers, smoothed WB6KAP 72 Nov 68
Sunspots and solar activity WB6KAP 60 Jan 69 +
Tropospheric-duct vhf communications WB6KAP 68 Oct 69 +
VHF meteor scatter communications AI7J 69 Feb 84 +
VHF/UHF world W1JR 45 Sep 84 +
VHF/UHF world W1JR 85 Dec 85 +
VHF/UHF world: improving meteor scatter communications W1JR 82 Jun 84 +
VHF/UHF world: meteor scatter communications W1JR 68 Jun 86 +
VHF/UHF world: meteor scatter communications Short circuit 87 Jul 86 +
VHF/UHF world: propagation update W1JR 86 Jul 85 +
VHF/UHF world: propagation update- part 2 W1JR 39 Jun 88 +
VHF/UHF world: propagation update- part 3 W1JR 38 Jul 88 +
VHF/UHF world: the VHF/UHF primer, an introduction to propagation W1JR 14 Jul 84 +
VHF/UHF world: uW and mm-wave propagation, part2 W1JR 69 Aug 86 +


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