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FM Transmitter Measurement Report
Created: 2026-04-06 08-21-04
Measuring equipment: P75/P175/P275		 http://pira.cz
Station Details
Frequency Signal Reception Station Name
90.90 MHz 4/5, 32 dBuV HELSINKI
Pilot RDS Phase Difference
7.4 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
14 kHz 18 kHz 7995 0,0000
Modulation Power
Limit Measuring Tolerance
12,0 dBr 0,2 dBr
MIN AVE MAX % above 12,2 dBr
1,3 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: 18 kHz MIN: 14 kHz % above 76 kHz: 0,0000 Acquired: 2026/04/06 8.19.59 Total samples: 7995 Equivalent time: 0:06:39 0 10 20 30 40 50 60 70 80 90 100 110 120 Frequency Deviation [kHz] 0 100 200
FM Scope MAX: 4,2 dBr MIN: 1,3 dBr AVE: 2,40 dBr % above 12,2 dBr: 0,0 Last value: 4,0 dBr (2026/04/06 8.19.58) 08.06 08.08 08.10 08.12 08.14 08.16 08.18 0 2 4 Pm [dBr]