Pat Dyer 5315 Silvertip Drive San Antonio, TX 78228 Deadline: 12th of month APRIL 1975 Hank Holbrook, 7211 Chestnut St., Chevy Chase, MD 20015 GMT; QSLed 8-2: 0059, WR 8028 157 apx Poplar Island, MD (Maryland Clipper; Freighter; 25 watts) 17: 0356, KEI 863 155.845 Hauppauge, NY (county police; 200 watts) 0445, KGA 819 155.130 Wilmington, DE (police) 9-1: 2232, N6616R 122.9 Edgewood Arsenal, MD (Edgewood Arsenal Army Flying Club;Cessna 172;1200';5 w) 10-26: 1537, N1076W 119.7 ov Ft.Meade,MD (Associated Insurers, Inc.;Beechcraft B-55, 2-eng,6-seat) 11-30: 2100, N282P 119.7 3 mi s Ches.Bay Br.,MD(Frank S. Bissell; Piper PA-30 Twin Comanche;2500'; 10 w) ----------------------------------------------------------------------- My loggings now. Hallicrafters SX-62 with two 30' long-wire antennas at 12' (ne-sw and nw-se runs); F2 unless noted with daily peak MUF (US if 31 or more) given if over 30. New underlined; GMT used 2-13: 1650, 30.58 19: 0647, KMA 829 (Es) 3-1: 2020, 35.28 14: 1630, KOE 257 (Es) 0659, KOE 257 (Es) 7: 1652, KAI 927 (Es) 1639, KME 438 (Es) 1645, KSC 645 (Es) 1657, KAQ 606 (Es) 1646, KDN 407 (Es) 1702, KAI 927 (Es) 1702, KQD 313 (Es) 1658, L Ang-b (Es) 1716, KSJ 815 (Es) 1746, KFL 943 (Es) 1659, KAQ 6O6 (Es) 1818, KIQ 999 (Es) 8: 1627, KOE 257 (Es) 1727, KMA 829 (Es) 20: 1935, F.Falls (Es) L Ang-a (Es) 2033, 35.28 1952, KAQ 606 (Es) 10: 2050, L Ang-a (Es) 15: 1720, 35.28 21: 1715, 32.29 2057, KME 438 (Es) 16: 1825, 40.000 23: 2030, 35.22 11: 2110, 32.000 2037, 31 + US 24: 1840, hi 35 12: 1830, 35.28 add: 2-8: 1927, KAA 201 42.06 Macon, MO (state police) ----------------------------------------------------------------------- KAI 927 35.34 Denver, CO KOE 257 35.22 Phoenix, AZ KAQ 606 35.58 Denver, CO KQD 313 35.50 Dayton, OH KDN 407 35.22 Co.Spgs, CO KSC 645 35.58 Chicago, IL KFL 943 35.58 Las Vegas, NV ** KSJ 815 35.22 Fort Wayne, IN KIQ 999 35.34 Mobile, AL - 35.54 Fergus Falls, MN-mp KMA 829 35.58 San Diego, CA - a-35.38 Los Angeles, CA-mp KME 438 35.22 Orange, CA - b-35.46 Los Angeles, CA-mp mp-mobile phone; rest are tone (A2) pagers, except ** tone message with voice ID ----------------------------------------------------------------------- Feb 1975 10.7-cm solar flux and Fredericksburg (VA) A-Index 1: 73 20 8: 81 8 15: 72 16 22: 70 5 Avg: 74.1 2: 73 9 9: 79 6 16: 73 19 23: 70 27 (the lowest 3: 77 11 10: 77 21 17: 71 14 24: 70 12 yet for the 4: 78 7 11: 77 19 18: 70 13 25: 71 16 Cycle 20 5: 79 14 12: 77 28 19: 70 12 26: 70 10 decline) 6: 83 8 13: 76 18 20: 71 6 27: 71 4 7: 82 9 14: 74 22 21: 70 6 28: 70 10 March CQ Magazine has a good article by George Jacobs showing how these can be put to use for propagation predictions. As seen above, the low solar levels have had a devastating effect on the F2 MUF's in the VHF band. One only has to compare this with the loggings in the VUD for 1971-74. 73, WA5IYX