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Page Title:
Operating Characteristics of TACAN and VOR (Cont) |
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|  T-45C ADV INav-03
INav Review
possible beyond (T), (L) and (H) reception
Sg 3, fr 5: TACAN 40 Degree
ranges; however, interference from other
Lock-On Error
stations on the same frequency may cause
40o off bearing lock-on.
e.
Identified by aural three-letter Morse code
repeating every 35 seconds
f.
Neither transmits nor receives voice
Sg 3, fr 6: VOR/TACAN
Cones of Confusion
g.
Cone of confusion - A "cone of confusion,"
where TACAN azimuth information is not
available, exists over TACAN stations. The
"cone" varies from 60-110 wide
2.
VOR
a.
Unaffected by weather
Sg 3, fr 7: Operating
b.
360 radials emitted from station
Characteristics of TACAN and
VOR
c.
Provides magnetic radial
OPERATING CHARACTERISTICS
OF TACAN AND VOR
d.
Operates in the VHF band (108.0-117.95
TACAN
VOR
Affected by weather
No
No
MHz)--59 available frequencies
Emits 360 RDLS
Yes
Yes
about station
Voice communication
None
Transmits voice
Limited by line of sight
Yes
Yes
e.
Limitations
Operates in
UHF 252 channels
VHF 108.0-177.95
(X and Y)
MHz
Provides
Magnetic bearing
Magnetic bearing
Slant range
(1) Line of sight
Identified by 3-letter
Yes-Every
Yes-And/or
Morse code
35 seconds
recorded voice
(2) Standard service volume (SSV)
NOTE: SSV defines the reception limits of
unrestricted NAVAIDs which are usable for
random/unpublished route navigation.
f.
Identified by three-letter aural Morse code
identifier or recorded automatic voice
alternating with Morse code identifier
g.
There is a negligible "cone of confusion" over a
VOR antenna
Page 3-14
(2-02) Original
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