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FM Transmitter Measurement Report
Created: 2026-04-04 22-43-39
Measuring equipment: P75/P175/P275		 http://pira.cz
Station Details
Frequency Signal Reception Station Name
90.90 MHz 4/5, 35 dBuV HELSINKI
Pilot RDS Phase Difference
7.6 kHz 2.8 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
14 kHz 18 kHz 10443 0,0383
Modulation Power
Limit Measuring Tolerance
12,0 dBr 0,2 dBr
MIN AVE MAX % above 12,2 dBr
-0,6 dBr 2,77 dBr 5,1 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: 18 kHz MIN: 14 kHz % above 76 kHz: 0,0383 Acquired: 2026/04/04 22.42.33 Total samples: 10443 Equivalent time: 0:08:42 0 10 20 30 40 50 60 70 80 90 100 110 120 Frequency Deviation [kHz] 0 200 400
FM Scope MAX: 5,1 dBr MIN: -0,6 dBr AVE: 2,77 dBr % above 12,2 dBr: 0,0 Last value: 5,0 dBr (2026/04/04 22.42.32) 22.28 22.30 22.32 22.34 22.36 22.38 22.40 22.42 0 2 4 6 Pm [dBr]