346:
326:
311:
295:
257:
276:
341:
336:
331:
133:
126:
44:
291:
272:
253:
130:
320:
288:
Radar
Origins Worldwide: History of Its Evolution in 13 Nations Through World War II
129:
developed during the Second World War. The prototype was tested at sea aboard the
59:
88:
111:
103:
95:
83:
75:
58:
50:
40:
32:
24:
347:Military equipment introduced from 1940 to 1944
252:. Annapolis, Maryland: Naval Institute Press.
8:
19:
18:
141:
228:
312:The RN Radar and Communications Museum
7:
14:
271:. London: Conway Maritime Press.
327:World War II British electronics
286:Watson, Raymond C. Jr. (2009).
1:
250:Naval Weapons of World War II
99:15,000 ft (4,600 m)
127:anti-aircraft gunnery radar
363:
267:Friedman, Norman (1981).
107:150 yd (140 m)
16:British gun laying radar
248:Campbell, John (1985).
25:Country of origin
125:was a British naval
342:World War II radars
21:
45:Fire-control radar
297:978-1-4269-2111-7
259:978-0-87021-459-2
221:
220:
119:
118:
354:
337:Royal Navy Radar
301:
282:
263:
236:
233:
157:Wavelength (cm)
154:Frequency (MHz)
151:Peak power (kW)
142:
139:in August 1940.
131:escort destroyer
66:18° (horizontal)
22:
362:
361:
357:
356:
355:
353:
352:
351:
317:
316:
308:
298:
285:
279:
266:
260:
247:
244:
239:
235:Campbell, p. 16
234:
230:
226:
91:(16,000 m)
17:
12:
11:
5:
360:
358:
350:
349:
344:
339:
334:
329:
319:
318:
315:
314:
307:
306:External links
304:
303:
302:
296:
283:
277:
264:
258:
243:
240:
238:
237:
227:
225:
222:
219:
218:
215:
212:
209:
206:
204:
200:
199:
196:
193:
190:
187:
185:
181:
180:
177:
174:
171:
168:
166:
162:
161:
158:
155:
152:
149:
148:Aerial outfit
146:
123:Type 285 radar
117:
116:
113:
109:
108:
105:
101:
100:
97:
93:
92:
85:
81:
80:
77:
73:
72:
71:
70:
69:43° (vertical)
67:
62:
56:
55:
52:
48:
47:
42:
38:
37:
34:
30:
29:
28:United Kingdom
26:
20:Type 285 radar
15:
13:
10:
9:
6:
4:
3:
2:
359:
348:
345:
343:
340:
338:
335:
333:
330:
328:
325:
324:
322:
313:
310:
309:
305:
299:
293:
289:
284:
280:
278:0-85177-238-2
274:
270:
265:
261:
255:
251:
246:
245:
241:
232:
229:
223:
216:
213:
210:
207:
205:
202:
201:
197:
194:
191:
188:
186:
183:
182:
178:
175:
172:
169:
167:
164:
163:
159:
156:
153:
150:
147:
144:
143:
140:
138:
137:
132:
128:
124:
114:
110:
106:
102:
98:
94:
90:
86:
82:
78:
74:
68:
65:
64:
63:
61:
57:
53:
49:
46:
43:
39:
35:
31:
27:
23:
332:Naval radars
290:. Trafford.
287:
268:
249:
242:Bibliography
231:
135:
122:
120:
87:18,000
269:Naval Radar
160:In service
321:Categories
76:Pulsewidth
33:Introduced
136:Southdown
134:HMS
104:Precision
60:Beamwidth
51:Frequency
96:Altitude
54:600 MHz
294:
275:
256:
224:Notes
217:1942
203:285P
198:1941
184:285M
179:1941
145:Type
115:25 kW
112:Power
84:Range
292:ISBN
273:ISBN
254:ISBN
211:600
208:150
192:600
189:150
173:600
165:285
121:The
79:2 μs
41:Type
36:1940
214:50
195:50
176:50
170:25
323::
89:yd
300:.
281:.
262:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.