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FM Transmitter Measurement Report
Created: 2026-04-09 22-07-17
Measuring equipment: P75/P175/P275		 http://pira.cz
Station Details
Frequency Signal Reception Station Name
90.90 MHz 5/5, 38 dBuV HELSINKI
Pilot RDS Phase Difference
7.5 kHz 3.1 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 70 kHz 19016 0,1735
Modulation Power
Limit Measuring Tolerance
12,0 dBr 0,2 dBr
MIN AVE MAX % above 12,2 dBr
-0,6 dBr 1,88 dBr 3,6 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: 70 kHz MIN: 11 kHz % above 76 kHz: 0,1735 Acquired: 2026/04/09 22.06.12 Total samples: 19016 Equivalent time: 0:15:50 0 10 20 30 40 50 60 70 80 90 100 110 120 Frequency Deviation [kHz] 0 200 400 600 800
FM Scope MAX: 3,6 dBr MIN: -0,6 dBr AVE: 1,88 dBr % above 12,2 dBr: 0,0 Last value: -0,5 dBr (2026/04/09 22.06.12) 21.52 21.54 21.56 21.58 22.00 22.02 22.04 22.06 -1 0 1 2 3 4 Pm [dBr]