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 28|677 |828 |576 |805 |637 |424 |517 |377 |347 |378 |433 |324 |323 |313 |272 |326 |293 |273 |263 |336 |362 |433 |448 |586 |
 29|516 |546 |541 |431 |371 |363 |332 |397 |486 |334 |369 |331 |372 |303 |306 |297 |296 |452 |245 |278 |321 |??? |??? |??? |
 30|??? |??? |??? |??? |??? |??? |537 |557 |400 |501 |461 |476 |425 |392 |429 |390 |322 |355 |282 |303 |327 |418 |551 |545 |
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[Observer]Ilkka Yrjl
[Location]Finland  (26 35' E, 60 54' N)
[Frequencies]88.7 + 88.8 MHz
[Antenna]2-el. Yagi, G=4 dBd to SW, , polarisation H.
[Azimuth]azimuth 45 deg (SW)
[Elevation]
[Pre-amplifier]
[Receiver]Salora SRP-22 modified, narrow band FM (B=15 kHz)? detected signal level >-122 dBm. FM detection, no pulse noise rejection required.
[Observing method]threshold triggering, sampling rate 32 ms. Computer logs total hourly elapsed reflection time, number of triggers for the hour, the longest time the signal was continuously above detection level for the hour. Data on major showers available in the Compact MS-Soft format. Software for viewing available from  www.saunalahti.fi/~oh5iy/radio50.zip (754 K).
[REMARK]
