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Title:

Propagation VHF

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( 5% dari total bandwidth) Ingat Zakat 2.5%. Propagasi di VHF. Frekuensi 89MHz. TX Power 40 dBm (10Watt) Antenna 3 dBi. Coax Loss 1-2 dB. RX Sens -60 dBm. FZC 17 meter ... – PowerPoint PPT presentation

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Provided by: OnnoW2
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Tags: vhf | propagation | sens

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Title: Propagation VHF


1
Propagation VHF
  • Onno W. Purbo
  • Onno_at_indo.net.id

2
Target Jangkauan
  • Radius 10 km
  • Jumlah station 10 (on sekaligus)
  • BW / station 100KHz
  • Total kebutuhan 1 MHz

3
Kondisi Alokasi AM
  • AM 500KHz 1600KHz
  • BW 20KHz
  • Bisa banyak station

4
Kondisi Alokasi FM
  • FM 88-108MHz (20MHz)
  • Kebutuhan Frekuensi
  • 1MHz saja! (5 dari total bandwidth)
  • Ingat Zakat 2.5.

5
Propagasi di VHF
  • Frekuensi 89MHz
  • TX Power 40 dBm (10Watt)
  • Antenna 3 dBi
  • Coax Loss 1-2 dB
  • RX Sens -60 dBm
  • FZC 17 meter
  • Margin 15 db
  • Jarak 6 miles (10 km)

6
Frekuensi Re-use
7
Alokasi FM
  • Misalnya 88-89MHz
  • BW 100KHz
  • 10 Station ..
  • Dalam radius 5-10 km
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