Due to some editorial errors I'll resend this report as a corrected version. It was thought justified to include measured values also as best estimate for "Indicated Field strength". The use of recei
Signal strength measurements of various LF stations : -- Day -- 10Apr 11Apr 12Apr 13Apr 14Apr 15Apr 16Apr MON TUE WED THU FRI SAT SUN Time, UTC -- 2020- 2130- 2020- 2010- 2040- 2040- 2040- -- kHz Ch
For those interested on the history of LF/MF coverage planning: (An excerpt from a report of EBU Working Party A, Hamburg, April 1971) DEFINITIONS OF RADIATED TRANSMITTER POWER -- (5 proposals receiv
Was up early on the 18 Apr 2000, 0200 UTC- and measured all frequencies of still existing Irish Decca chain (7D): stn f,kHz Rx-in Est Fs dist azi dBmW dBuV/m Master (6f) 85.450 -112 +15 2193 km 263.5
Signal strength measurements of various LF stations by OH2LX: -- Day -- 17Apr 18Apr 19Apr 20Apr 21Apr 22Apr 23Apr MON TUE WED THU FRI SAT SUN Time, UTC -- 2030- 2130- 2010- 2100- 2200- 2220- 2120- --
Note on 73.3 kHz: Until Tuesday 18Apr evening there was nothing around 73.3. On the 18th there was a carrier between 73.2-73.3 which I reported WITHOUT knowing about its origin... Starting Thursday o
Signal strength measurements of various LF stations by OH2LX: -- Day -- 01May 02May 03May 04May 05May 06May 07May MON TUE WED THU FRI SAT SUN Time, UTC -- 2015- 2100- 2105- 2040- 2030- 2115- 2110- --
Does anyone else have burst-like noise appearing as "waves" every 5 to 8 secs? I hear them practically every EVENING, can listen only until abt 23-24 UTC.. Any other Finns on this reflector? -- Examp
Hi msr and others, I just wonder how could that be local noise? Jorma, OH8PX, retired from Oulu University is a Jupiter radio signal expert and there are some others. I did listen once again some .au
LF "wave bursts" checked with double-system Yesterday evening's check was concluded that no synchronism with 138.83/128.93 data packets but this idea from Markus was a very good one. On 13th May even
Signal strength measurements of various LF stations by OH2LX: -- Day -- 08May 09May 10May 11May 12May 13May 14May MON TUE WED THU FRI SAT SUN Time, UTC -- 2035- 2230- 2050- 2220- 2040- 2125- 2040- --
Signal strength measurements of various LF stations by OH2LX: -- Day -- 15May 16May 17May 18May 19May 20May 21May MON TUE WED THU FRI SAT SUN Time, UTC -- 2100- 2340- 2025- 2020- 2035- 2045- 2005- --
Signal strength measurements of various LF stations by OH2LX: -- Day -- 29May 30May 31May 01Jun 02Jun 03Jun 04Jun MON TUE WED THU FRI SAT SUN Time, UTC -- 2040- 2020- 2030- 2035- 2035- 2040- 2030- --
Signal strength measurements of various LF stations by OH2LX: -- Day -- 05Jun 06Jun 07Jun 08Jun 08Jun 10Jun 11Jun MON TUE WED THU FRI SAT SUN Time, UTC -- 2045- 2015- 2100- 2045- 2055- 2040- 2055- --
Hello Markus and others, It has been common to Alpha since 1970 to be qrt for shorter and longer periods. The 5th Alpha station Seydi has been off air totally but even Revda has been on. A while ago
Walter, You are no doubt right about the reason for Alpha etc qrt, I know one Russian captain... Four Alpha stations were on and off during the first four months of 2000, including Revda. The officia
Signal strength measurements of various LF stations by OH2LX: -- Day -- 12Jun 13Jun 14Jun 15Jun 16Jun 17Jun 18Jun MON TUE WED THU FRI SAT SUN Time, UTC -- 2050- 2040- 2035- 2045- 2050- 2030- 2045- --
While writing histories - at the moment about the first Sputniks - let me recall a tape recording made by our friend Lenna, OH1NL on the 11th April 1964 of the 1st 144 MHz EME QSO. The original recor
Signal strength measurements of various LF stations by OH2LX: VLF NAV system "Alpha" has been back since the 20th June... -- Day -- 19Jun 20Jun 21Jun 22Jun 23Jun 24Jun 25Jun MON TUE WED THU FRI SAT S