ADTRAN 6000 Series system manual Where f is in GHz and d is in miles or

Section 2 Microwave Path Engineering Basics TRACER 6000 Series Integrated System Manual

where f is in GHz and d is in miles or
h = 21.975	d	+ 0.0147d	2	(meters)
	------------
	6.436f

where f is in GHz and d is in kilometers.

The minimum antenna heights for given path lengths are displayed in Table 10 (feet/miles) and Table 11 on page 27 (kilometers/meters).

Table 10. Minimum Antenna Height for Given Path Lengths (miles and ft)

	Min. Antenna Height	Min. Antenna Height
Path Length	at 2.4 GHz	at 5.8 GHz
(miles)	(ft)	(ft)
2	33	22
4	48	32
6	61	41
8	73	50
10	85	60
14	111	81
16	124	92
18	138	104
20	153	117
22	169	131
24	185	145
26	202	161
28	220	177
30	239	194
32	259	213
34	279	232
36	300	252

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