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FM Transmitter Measurement Report
Created: 2026-09-14 07-27-21
Measuring equipment: P75/P175/P275
http://pira.cz
Station Details
Frequency Signal Reception Station Name
90.90 MHz 5/5, 55 dBuV HELSINKI
Pilot RDS Phase Difference
7.5 kHz 3.2 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
10 kHz 71 kHz 19040 0,0053
Modulation Power
Limit Measuring Tolerance
12,0 dBr 0,2 dBr
MIN AVE MAX % above 12,2 dBr
1,3 dBr 3,94 dBr 5,4 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: 10 kHz % above 76 kHz: 0,0053 Acquired: 2026.09.14 7.26.17 Total samples: 19040 Equivalent time: 0:15:52 0 10 20 30 40 50 60 70 80 90 100 110 120 Frequency Deviation [kHz] 0 500 1000 1500 2000
FM Scope MAX: 5,4 dBr MIN: 1,3 dBr AVE: 3,94 dBr % above 12,2 dBr: 0,0 Last value: 3,5 dBr (2026.09.14 7.26.17) 07.12 07.14 07.16 07.18 07.20 07.22 07.24 07.26 0 2 4 6 Pm [dBr]