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FM Transmitter Measurement Report
Created: 2026-04-05 10-18-38
Measuring equipment: P75/P175/P275		 http://pira.cz
Station Details
Frequency Signal Reception Station Name
90.90 MHz 4/5, 36 dBuV HELSINKI
Pilot RDS Phase Difference
7.5 kHz 2.9 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
15 kHz 64 kHz 9224 0,0108
Modulation Power
Limit Measuring Tolerance
12,0 dBr 0,2 dBr
MIN AVE MAX % above 12,2 dBr
-0,1 dBr 2,40 dBr 4,2 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: 64 kHz MIN: 15 kHz % above 76 kHz: 0,0108 Acquired: 2026/04/05 10.17.33 Total samples: 9224 Equivalent time: 0:07:41 0 10 20 30 40 50 60 70 80 90 100 110 120 Frequency Deviation [kHz] 0 50 100 150 200
FM Scope MAX: 4,2 dBr MIN: -0,1 dBr AVE: 2,40 dBr % above 12,2 dBr: 0,0 Last value: 0,1 dBr (2026/04/05 10.17.32) 10.04 10.06 10.08 10.10 10.12 10.14 10.16 0 2 4 Pm [dBr]