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FM Transmitter Measurement Report
Created: 2026-04-30 01-42-32
Measuring equipment: P75/P175/P275		 http://pira.cz
Station Details
Frequency Signal Reception Station Name
90.90 MHz 5/5, 45 dBuV HELSINKI
Pilot RDS Phase Difference
7.5 kHz 3.3 kHz No phase relation found.
Frequency Deviation
Limit Measuring Tolerance
75,0 kHz 1,0 kHz
MIN Hold Max. Samples at Total Samples % above 76,0 kHz
11 kHz 71 kHz 19198 0,0156
Modulation Power
Limit Measuring Tolerance
12,0 dBr 0,2 dBr
MIN AVE MAX % above 12,2 dBr
2,4 dBr 3,65 dBr 4,5 dBr 0,0
Radio Data System
PS PI PTY TP TA  MS   DI   CT 
"HELSINKI" 6092 10 (Pop M) 1 0 1 7 --:--
RT
" Olet ystävien seurassa "
AF EON
90.9, 97.2, 105.2 MHz -
FM Scope Max at: 71 kHz MIN: 11 kHz % above 76 kHz: 0,0156 Acquired: 2026/04/30 1.41.28 Total samples: 19198 Equivalent time: 0:15:59 0 10 20 30 40 50 60 70 80 90 100 110 120 Frequency Deviation [kHz] 0 500 1000 1500
FM Scope MAX: 4,5 dBr MIN: 2,4 dBr AVE: 3,65 dBr % above 12,2 dBr: 0,0 Last value: 2,7 dBr (2026/04/30 1.41.27) 01.28 01.30 01.32 01.34 01.36 01.38 01.40 0 2 4 Pm [dBr]