Signal strength measurements of various LF stations by OH2LX:
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Day ------------------ 17Apr 18Apr 19Apr 20Apr 21Apr 22Apr 23Apr
MON TUE WED THU FRI SAT SUN
Time, UTC ------------ 2030- 2130- 2010- 2100- 2200- 2220- 2120-
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kHz Stn d,km AZI Indicated ESH2 input, dBmW
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73.3 Rugby, 1825, 252, Nil -96 -103 -96 -93 -93 -93
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75.0 HBG, 1992, 226, -105 -100 -104 -102 -99 -99 -99
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77.5 DCF77, 1543, 228, -84 -89 -85 -83 -85 -83 -86
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128.2 9f/7D, 2060, 267, -117 -118* -121* -116* -118* -116* -116*
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128.9 DCF49, 1544, 228, -83 -80 -85 -81 -84 -80 -81
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138.8 DBF39, 1221, 226, -85 -81 -78 -78 -76 -78 -78
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135.8 SXV, 2490, 182, -115 -108 -109 -107 -107 -105 -106
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137.0 CFH, 5750, 295, Nil** Nil Nil Nil Nil Nil Nil
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** CFH weakly heard ONLY on the 18th after 0155z up to -129 dBmW
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* Other Decca freqs also checked but qrm from Russian Chayka;
71.2(5f), 85.45(6f), & 113.9(8f) indicating -118..-113 dBmW
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17Apr 2034: DJ9IE -127; 2050:-129
20Apr 2133: OH1TN -115; 2135:-116; 2137:-114; 2140:-113;
.................. 2145:-115; 2148:-114; 2151:-115
21Apr 2202: OH1BS -118
23Apr 2121: OH1BS -113
23Apr 2127: SM6PXJ -116; 2130: -116; 2137:-116
23Apr 2151: OK1DTN -130; 2204: -129; 2221:-128; 2240:-130
23Apr 2153: MM0ALM -119; 2157: -119; 2203:-119; 2215:-119
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(R&S ESH2/---- 10m coax----/1:10/-----15m wire-----):
Noise level with antenna: with 200Hz IF BandWidth:
-26..-21 dB(uV), -133..-128dBmW (varies with qrm etc)
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End of message of 24 April 2000, 0625 UTC, from OH2LX
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V.K.Lehtoranta, OH2LX, POBox 50, FIN-05401 Jokela, Finland
------ Tel: +358-9-4173965 ---- Fax: +358-9-4173961 ------
E-mail: [email protected] - alias: [email protected] & [email protected]
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