Antennas; Table 4. Antenna Specifications - ACR Electronics Cobham C406-1 Series Abbreviated Component Maintenance Manual

SUBTASK 25-62-10-870-003
C.

Antennas

(1) Table 4 lists the specifications of the antennas approved for use with the C406-1 Series ELT.
PARAMETERS
Style
Frequencies
VSWR
Polarization
Radiation Pattern
Impedance
(ohms)
Weight
Maximum Air
Speed
2.9 lbs (1.3 kg) @
Drag
350 KTS, 25,000 ft
Coax Cable
Connector
Dimensions
(Base-to-Tip)
COBHAM AVIONICS WULFSBERG ELECTRONICS
ABBREVIATED COMPONENT MAINTENANCE MANUAL
C406-1 (453-5002), C406-1HM (453-5003)

Table 4. Antenna Specifications

110-338 110-340
Rod
121.5 and 243.0 MHz - 2.0:1 Max.
406 MHz - 1.5:1 Max.
121.5 and 243.0 MHz - Omnidirectional
0.45 lbs 1.40 lbs
(0.20 kg) (0.64 kg)
350 KTS 600 KTS TAS
TAS @25,000 ft
1.3 lbs (0.6 kg)
@ 241 KTS
15.5 in. 7.75 in.
(39.4 cm) (19.7 cm)
CHARACTERISTIC
110-341
Blade Blade
121.5, 243.0, 406 MHz
121.5/243.0 MHz -
1.75:1 or better
406 MHz - 1.5:1 or
better
Vertical Monopole
406 MHz - Hemispherical
50 Nominal
0.80 lbs
(0.36 kg)
Mach 1
8 lbs (3.6 kg) @
350 KTS
EAS EAS
RG-142
BNC Female
10.1 in.
(25.7 cm)
25-62-10
110-343
Whip
121.5/243.0 MHz -
2.5:1 or less
406 MHz - 1.5:1 or
less
0.31 lbs
(0.14 kg)
350 KTS
EAS
Minimal
17.1 in.
43.4 cm)
Page 35 of 90
APR 06/10