TM 11-5841-287-12
Figure 1-10. Antenna AT-405/ARC (uhf antenna).
a later date)
1-15. Tabulated Data
Altitude
Overall System Performance
Operating
20,000 feet (6 km)
Frequency range
225.000 to 399.975 MHz
Nonoperating
40,000 feet (12 km)
Channel selection
7,000 channels, selectable in
-3
Bit error rate
10
25-kHz increments
Modulation type
Frequency shift keying (FSK)
Preset channels
20 (selectable)
Output bite rate
41,667 bits per second
Operating mode
FM/FSK data
Frame time
394 to 466 milliseconds
RF power output
30 watts/100 watts (the 100-
Word length
11 bits
watt output will be available
for the data transmitting set at
Weight and dimensions
Inches (millimeters)
Weight
Common name
Height
Depth
Width
Pounds (kilograms)
Uhf radio set (unit 1)
Uhf receiver-transmitter (unit 1A1)
5.25 (133)
14.25 (362)
6.00 (152)
24.00 (10.9)
Uhf radio control (unit 1A3)
5.00 (127)
5.00 (127)
5.75 (146)
43.40 (2.0)
Uhf radio mount (unit 1A2)
7.25 (184)
17.00 (432)
6.75 (171)
4.50 (2.0)
Encoder (unit 2)
7.50 (191)
15.50 (394)
15.30 (389)
35.00 (15.9)
Data link control (unit 3)
3.25 (83)
4.00 (102)
5.75 (146)
1.40 (0.64)
Encoder mount (unit 5)
2.75 (70)
18.75 (476)
16.25 (413)
2.50 (1.1)
Uhf antenna (unit 4)
10.00 (254)
2.00 (51)
5.00 (127)
0.75 (0.34)
1-10
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