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FM Transmitter Measurement Report
Created: 2026-04-26 08-16-51
Measuring equipment: P75/P175/P275
http://pira.cz
Station Details
Frequency Signal Reception Station Name
90.90 MHz 5/5, 45 dBuV HELSINKI
Pilot RDS Phase Difference
7.4 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
10 kHz 72 kHz 19129 0,1046
Modulation Power
Limit Measuring Tolerance
12,0 dBr 0,2 dBr
MIN AVE MAX % above 12,2 dBr
0,8 dBr 2,57 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: 72 kHz MIN: 10 kHz % above 76 kHz: 0,1046 Acquired: 2026/04/26 8.15.46 Total samples: 19129 Equivalent time: 0:15:56 0 10 20 30 40 50 60 70 80 90 100 110 120 Frequency Deviation [kHz] 0 500 1000
FM Scope MAX: 3,6 dBr MIN: 0,8 dBr AVE: 2,57 dBr % above 12,2 dBr: 0,0 Last value: 2,1 dBr (2026/04/26 8.15.46) 08.02 08.04 08.06 08.08 08.10 08.12 08.14 -1 0 1 2 3 4 Pm [dBr]