Versions Compared

Old Version 3

changes.mady.by.user Former user

Saved on

compared with

New Version Current

changes.mady.by.user Zeljko Tabakovic

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

Anchor
A17.1210.2
A17.1210.2
Longley-Rice model works correct in given frequency ranges, antenna heights, distance, surface refraction, as shown in Table 9387.

Anchor
T093T090T093
T090
Table 9390: Range of ITM model correctly working

 

Parameter

Range

Frequency

20 MHz – 40 GHz

Antenna height50[A1] 

 [A1]		This should be 50 cm (or 0.5 m). All the references about the ITM model give 0.

5

m as the lower antenna height. For example, J. S. Seybold, "Introduction to RF Propagation," Wiley, 2005.

 

cm – 3 km

Distance

1 – 2 000 km

Surface refraction

250 -400 N