title graphic

APPENDIX

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TYPE EQUIPMENT PULSE CHARACTERISTICS RANGE
FREQ. IN MC. PULSE LENGTH PULSE RATE PEAK PWR'KW RANGE SETTINGS (Ml.) MIN. EFFECT. RANGE RANGE ACCURACY
ASB 515 2 Microseconds 400 4-6 2
7
28
70
400 Yds. ±10%
ASG ASG-I 3300 1-Search
2-Beacon
650-Search
325-Beacon
30-50 5
20
50
90
400 Yds. + 7V.
AN/APS-2F 3300
(3256 on Beacon)
1-Search
2-Beacon
650-Search
325-Beacon
30-50 A (5)
B (20)
C (50)
D (100)
400 Yds. ±7%
AN/APS-15 9375
(9335 on Beacon)
        5 Mi.
.5 { 20 "
       50 "
 1 - 100 "
 2 - Beacon
           5 Mi.
1000; { 20 "
         50 "
650 - 100 "
325 Beacon
40-50 5
20
50
100
200 Yds. ±1 TO 7%
ASD 9375
±85
.5 { 4 Mi.
    40 "
2 on 100 Mi.
and Beacon
1300 { 4 Mi.
    40 "
325 on 100 Mi.
and Beacon
10-20 4
40
100
200 Yds. ±10%
AN/APS-3 9375
± 30
.5 { 4 Mi.
    10 "
1 { 40 "
    80"
2 - Beacon
1500 { 4 Mi.
       10 "
750 { 40 "
       80"
375 - Beacon
15-20 4
10
40
80
120-Beacon
200 Yds. ±7%
AN/APS-4 9375
(9335 on Beacon)
.6 on Search
2.1 on Beacon
            4 Mi.
1000 { 20 "
          50 "
600 - 100 "
350-Beacon
40-50 4
20
50
100
100 Yds. ±5%
AN/APS-6A 9375
(9335 on Beacon)
2 { Search
     Beacon
.5 { Intercept
    Gun Aim
500-Search
2000 {Intercept
         & Gun Aim
15-50 1
5
25
65
Beacon-100
120 Yds. ±10% Search
±5% Intercept
±25 Yds. on Gun Aim

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ANTENNA CHARACTERISTICS CATHODE-RAY INDICATOR MAX. OPRTG. ALT.--FT.
TYPE BEAM AZIMUTH SCAN ELEVATION SCAN ANGLE OF ACCURACY TYPE DISPLAY
YAG 1 40° 010° to 090°
350° to 270°
Moved by Manual Control
-25° to -5° on Search
-35° to ± 15° on Homing
+2° to -5°
(Homing)
5" L-Scan 20,000
30-Inch Paraboloid 360°
HI-24 RPM
LO-12 RPM
-20° to +20° ±3° 5"
2"
PPI-PRI
A-Scope
15,000
29-Inch Paraboloid 8.7° 360°
HI - 24 RPM
LO - 12 RPM
-20° to + 20" + 3° 5"
2"
PPI-PRI A-Scope 15,000
29-Inch Paraboloid 360°
HI - 24 RPM
LO - 12 RPM
-20° to +20° ±1.5° 5"
2"
PPI-PRI A-Scope 36,000
18-Inch Paraboloid 140' -12 to +7° +3° 5"
(2)
B-Scan 20,000
16-Inch Paraboloid 5° Cone (approx.) 150°
35 RPM
-8° to +6° +3° 5-"
(2)
B-Scan 20,000
14-Inch Paraboloid 6° Cone Search-150° 30 Scans/Min.
Intercept -60 Scans/Min.
-30" to +10° on Search
-30° to +30° on Intercept
±3° 3"
(2)
B-Scan on Search
H-Scan on Intercept
30,000
17-Inch Paraboloid 120° Cone Intercept and Search.
15° Cone-Gun Aim.
+ 60° ±3° 3-" B-Scan on Search
O-Scan on Intercept
G-Scan on Gun Aim
30,000

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ELECTRONIC BOMBING EQUIPMENTS
EQUIPMENT PARENT EQUIPMENT METHOD OF BOMB RELEASE ALTITUDE LIMITS CLOSING SPEED ACCURACY
MINIMUM MAXIMUM
AN/APA-16 ASB
AN/APS-3
AN/APS-4
Automatic 50 Feet 500 Feet 50-400 Knots Parent radars ASB & AN/APS-3.
Mean radial error 30-35 feet
(Tests, NAS, Patuxent River)
AN/APQ-5B AN/APS-3
AN/APS-2
AN/APS-15
APS-15A,-15B
Automatic 65 Feet 2,000 Feet with Automatic computer;
50,000 ft. approx. with use of charts.
100-400 M.P.H. At average of 150 M.P.H.--
Altitude 500 ft. | Error*  75 ft.
" 1000  "   | " 110  "  
" 1500  "   | " 125  "  
" 2000  "   | " 140  "  
*Prob Err. "X" Band, "S" Band add 50%
AN/APA-5
(Replaces AN/APQ-5B)
AN/APS-3
AN/APS-15
APS-15A-15B
AN/APS-30 Series
Automatic 0 Feet 35,000 Feet approx. 0-400 M.P.H. Tests underway indicate much more accurate than AN/APQ-5B
AN/APG-4 AYD --
AN/ARN-1
AN/APN-1
Automatic 40 Feet 400 Feet 130-350 Knots (Tests NAMC & Patuxent River)

SPEED RANGE 60-180 Knots
ALT RANGE 100-200 Feet
AVERAGE RANGE ERROR --

ALL TESTS   -- 34 Feet
AVERAGE MPI -- +22 Feet

AN/APG-17
(Replaces AN/APG-4)
AN/APN-I Automatic 40 Feet 400 Feet 130-350 Knots No tactical evaluation to
1 May 1945.

NOTE: Fourteen Loran chartlets follow this page.

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Loran Chart--Atlantic: Reliable Loran Ground Wave Coverage
Atlantic: Reliable Loran Ground Wave Coverage
Approximate Range over water 600 n.m.
(Daytime range about 700 n.m. Night time range 500 n.m.)
Dotted line over land represents aircraft ground wave coverage above 3,000 ft. elevation

--159--


Loran Chart--Atlantic: Reliable Loran Sky Wave Coverage
Atlantic: Reliable Loran Sky Wave Coverage
Approximate range over water from 300 n.m. to 1,300 n.m.

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Loran Chart--Pacific: Reliable Loran Ground Wave Coverage
Pacific: Reliable Loran Ground Wave Coverage
Approximate range over water 600 n.m.
(Daytime range about 700 n.m. Night time range about 500 n.m.)

--161--


Loran Chart--Pacific: Reliable Loran Sky Wave Coverage
Pacific: Reliable Loran Sky Wave Coverage
Approximate range over water from 300 n.m. to 1,200 n.m.

--162--


Loran Stations C-T
Loran Stations
C-T
Frequency Channel 1 (1950 kc)
Recurrence Rate L 0
C appears on the upper trace
T appears on the lower trace

--163--


Loran Stations P-M
Loran Stations
P-M
Frequency Channel 1 (1950 kc)
Recurrence Rate L 1
P appears on the upper trace
M appears on the lower trace

--165--


Loran Stations P-U
Loran Stations
P-U
Frequency Channel 1 (1950 kc)
Recurrence Rate L 2
P appears on the upper trace
U appears on the lower trace

--166--


Loran Stations Q-G
Loran Stations
Q-G
Frequency Channel 2 (1850 kc)
Recurrence Rate L 1
Q appears on the upper trace
G appears on the lower trace

--167--


Loran Stations D-K
Loran Stations
D-K
Frequency Channel 2 (1850 kc)
Recurrence Rate L 2
D appears on the upper trace
K appears on the lower trace

--168--


Loran Stations D-L
Loran Stations
D-L
Frequency Channel 2 (1850 kc)
Recurrence Rate L 3
D appears on the upper trace
L appears on the lower trace

--169--


Loran Stations R-E
Loran Stations
R-E
Frequency Channel 2 (1850 kc)
Recurrence Rate L 4
R appears on the upper trace
E appears on the lower trace

--170--


Loran Stations R-F
Loran Stations
R-F
Frequency Channel 2 (1850 (kc)
Recurrence Rate L 5
R appears on the upper trace
F appears on the lower trace

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Loran Stations H-V
Loran Stations
H-V
Frequency Channel 4 (1750 kc)
Recurrence Rate H 2
H appears on the upper trace
V appears on the lower trace

--172--


Loran Stations S-V
Loran Stations
S-V
Frequency Channel 4 (1750 kc)
Recurrence Rate H 3
S appears on the upper trace
V appears on the lower trace

--173--


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Transcribed and formatted by Larry Jewell & Patrick Clancey, HyperWar Foundation