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FM Transmitter Measurement Report
Created: 2026-05-11 11-19-18
Measuring equipment: P75/P175/P275		 http://pira.cz
Station Details
Frequency Signal Reception Station Name
90.90 MHz 5/5, 46 dBuV HELSINKI
Pilot RDS Phase Difference
7.6 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 12 kHz 19200 0,0104
Modulation Power
Limit Measuring Tolerance
12,0 dBr 0,2 dBr
MIN AVE MAX % above 12,2 dBr
-0,8 dBr 0,09 dBr 1,9 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: 12 kHz MIN: 11 kHz % above 76 kHz: 0,0104 Acquired: 2026/05/11 11.18.14 Total samples: 19200 Equivalent time: 0:16:00 0 10 20 30 40 50 60 70 80 90 100 110 120 Frequency Deviation [kHz] 0 500 1000
FM Scope MAX: 1,9 dBr MIN: -0,8 dBr AVE: 0,09 dBr % above 12,2 dBr: 0,0 Last value: 0,2 dBr (2026/05/11 11.18.13) 11.04 11.06 11.08 11.10 11.12 11.14 11.16 11.18 -1 0 1 2 Pm [dBr]