MIL-DTL-25707/2B
Dimensions
Letter
Inches
Millimeters
Min
Max
Min
Max
B
8.235
8.265
209.17
209.93
C
7.495
7.505
190.37
190.63
D
14.84
14.96
376.94
379.98
NOTES:
RAD
RAD
RAD
RAD
1. Dimensions are in inches.
E
.165
.195
4.19
4.95
2. Finish: Anodize in accordance with MIL-A-8625, paint
F
6.78
6.84
172.21
173.74
with off-white epoxy primer.
G
---
.583 REF
---
14.81 REF
3. Fill antenna cavity with polyurethane foam, or equivalent,
H
---
1.69
---
42.93
density as necessary to maintain structural rigidity,
J
2.66
2.72
67.56
69.09
radiation pattern as specified, and compliance to
K
.60
.72
15.24
18.29
environmental requirements.
4. Metric equivalents are given for general information only
L
.00
.12
0.00
3.05
and are based upon 1.00 inch = 25.4 mm.
M
.91
1.03
23.11
26.16
5. Unless otherwise specified, tolerances are ± .015 inch
N
.08
.14
2.03
3.56
(± 0.38 mm) for three place decimals and ± .03 inch
P
---
.160 REF
---
4.06 REF
(± 0.76 mm) for two place decimals.
44°
46°
44°
46°
Q
REQUIREMENTS:
Dimensions and construction: See figure 1.
Temperature operating range: -55°C to +205°C.
Frequency: 960 MHz to 1,220 MHz.
Impedance: 50 ohms, nominal.
VSWR of antenna:
960 MHz to 1,220 MHz, 1.8:1, maximum.
1,000 MHz to 1,100 MHz, 1.6:1, maximum.
VSWR of sampling probe: 960 MHz to 1,220 MHz, 1.5:1, maximum.
Probe attenuation: 17.5 dB ± 1.5 dB over frequency band 960 MHz to 1,220 MHz.
Power: 4 kW, peak; 100 watts, average.
W eight: Less than or equal to 16 ounces.
Part or Identifying Number (PIN): M25707/2-02.
Data list: The measured data for VSWR, attenuation, and impedance shall accompany each antenna.
Custodian:
Preparing activity:
Air Force - 11
DLA - CC
DLA - CC
(Project 5985-F641-02)
2