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NEWS - 02-09-2009

A.F.N. Aviano
- ITEL NEW TRANSMITTERS INSTALLATION

Messr.
A.F.N. Aviano
Via Pionieri dell’aria
33081 Aviano ( PN ) – ITALY
Fontanafredda , ITALY 12 August 2009


RE: CASTALDIA FM COMMISSIONING
Fx 106.0 MHz – 107.0 MHz



Test sets used in the commissioning:


Power meter BIRD mod. 4721
Power sensor BIRD mod. 5000B1
Spectrum analyzer R&S mod. FSP
Audio analyzer R&S mod. UP350
Multimeter Tektronis mod. TX3
Accessories Suhner, Spinner.



TRANSMITTING SITE DATA SHEET


- CLIENT: American Force Network (AFN)
- TRANSMITTING SITE: Castaldia di Piancavallo - PN
- GEO-COORDINATE: 46°05’16,1” – 12°31’55,5” (WGS84)
- ALTITUDE IN m a.s.l: 1133m
- EQUIPMENT MAKE Broadcast Electronics (BE)
- MODEL: FM-5C
- FREQUENCY SYSTEM # 1: 106.000 MHz
- FREQUENCY SYSTEM # 2: 107.000 MHz
- D.O.MFG: 2009
- MODULATION: ANALOG - FM
- NOMINAL POWER OUTPUT: 5000 W ANALOGUE
- ANTENNA SYSTEM: STACKED 8+8 YAGI


MEASUREMENT REPORT


- FWD POWER: 5000 WATT
- REFLECTED POWER: 10 WATT
- ANTENNA FORWARD GAIN: >23 dB
- 2nd HARMONIC EMISSION: > -70 dB
- INTERMODULATION: > -55 dB
- FREQUENCY OFFSET: < 1 KHz
- POWER CONSUMPTION 5000W: F1 14.6A - F2 13.7A - F3 14.6A - @380Vac (8.83KW)
- EFFICIENCY @ 5.000W: 57%
- POWER FACTOR: N/A


NOTES


The system’s measurement results comply with manufacturer’s declaration.

eng. Gian Luigi SPADOTTO


TRANSMITTER #1 Freq. 106.00 MHz





NOISE PHASE -108dB @ 10KHz dBc




2nd HARMONIC > -70dB







FM DEVIATION





INTERMODULATION THI > -54dB






FREQUENCY OFFSET = 240Hz

 

TRANSMITTER #2 Freq. 107.00 MHz

 



NOISE PHASE -109dB @ 10KHz dBc

 



2nd HARMONICS > -70dB

 






FM DEVIATION






FREQUENCY OFFSET = 180Hz










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