How far do TV signals carry?

G.G. Borg

Fresnel Zones

PR = P

T + G

T + G

R + 20log

10( λ/4πd )

PLOSS

= GT + G

R + 20log

10( λ/4πd )

EGLI

Huygen's Principle

DIFFRACTION

UTD

Diffraction

Magnetic Field Integral Equation

Electric Field Integral Equation: Large Scale Fading Algorithm

Deygout (1966)

32 kms

200 m

3 kms

ANUantenna20 m MOST

20 m

27 kms 5 kms

NORTHERN TERRITORY

References Wikipedia

Jacques Deygout “Multiple Knide-Edge Diffraction of Microwaves” IEEE Transactions on Antennas and Propagation, Vol. AP-14(4), pp480-489 (1966)

Introduction to RF propagation, John S. Seybold, 2005, John Willey and Sons Inc.

J.J. Whitteker “Diffraction over a flat-topped terrain obstacle” IEE PROCEEDINGS, Vol. 137, Pt. H, No. 2, APRIL (1990)

Jan-T Hviid, Jorgen Bach Andersen, Jorn Toftgard and Jorgen Bojer. “Terrain-Based Propagation Model for Rural Area-An Integral Equation Approach” IEEE Transactions on Antennas and Propagation,. Vol. 43(1), pp 41-46 (1995)

E.O. Nuallain. “An Efficient Integral Equation-Based Electromagnetic Propagation Model for Terrain”. IEEE Transactions on Antennas and Propagation, Vol. 53(5), pp 186-1840 (2005)

RadioWORKS and RFCALC simulation modules