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תחומי תדרים ( על פי ITU )
תחום Band
|
|
תדר Frequency
(Hz) הרץ |
|
אורך גל Wavelength
( ק"מ ) |
|
|
|
|
|
ELF |
|
3 - 30 |
|
100,000 - 10,000 |
|
|
|
|
|
SLF |
|
30 - 300 |
|
10,000 - 1000 |
|
|
|
|
|
ULF |
|
300 - 3000 |
|
1000 - 100 |
|
|
|
|
|
VLF |
|
3000k - 30k |
|
100 - 10 |
|
|
|
|
|
LF |
|
30M - 300K |
|
10 -1 |
|
|
|
|
|
MF |
|
300k - 3M |
|
1 - 0.1 |
|
|
|
|
|
HF |
|
3M - 30M |
|
0.1 - 0.01 |
|
|
|
|
|
VHF |
|
30M - 300M |
|
0.01 - 0.001 |
|
|
|
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|
UHF |
|
300M - 3G |
|
0.001 - 0.0001 |
|
|
|
|
|
SHF |
|
3G - 30G |
|
0.0001 - 0.00001 |
|
|
|
|
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EHF |
|
30G - 300G |
|
0.00001 - 0.000001 |
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תחומי תדרים ( רשימה ישנה - תדרי רדאר)
תחום Band
|
|
תדר Frequency
גיגהרץ (GHz) |
|
אורך גל Wavelength
( ס"מ ) |
|
|
|
|
|
VHF |
|
0.03 - 0.3 |
|
100,000 - 10,000 |
|
|
|
|
|
UHF |
|
0.03 - 1 |
|
10,000 - 1000 |
|
|
|
|
|
S |
|
1 - 2 |
|
1000 - 100 |
|
|
|
|
|
L |
|
2 - 4 |
|
100 - 10 |
|
|
|
|
|
C |
|
4 - 8 |
|
10 -1 |
|
|
|
|
|
X |
|
8 - 12 |
|
0.1 - 0.01 |
|
|
|
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Ku |
|
12 - 18 |
|
0.01 - 0.001 |
|
|
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K |
|
18 - 27 |
|
0.001 - 0.0001 |
|
|
|
|
|
Ka |
|
27 - 40 |
|
0.0001 - 0.00001 |
|
|
|
|
|
MM |
|
40 -100 |
|
0.00001 - 0.000001 |
|
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