| Rank |
Page title |
Views |
Daily average |
Assessment |
Importance |
|---|
| 1 |
NATO phonetic alphabet |
189,406 |
6,109 |
C |
Low |
| 2 |
Morse code |
66,805 |
2,155 |
B |
High |
| 3 |
Duga radar |
24,466 |
789 |
B |
Low |
| 4 |
Guglielmo Marconi |
22,546 |
727 |
B |
Mid |
| 5 |
Amateur radio |
20,934 |
675 |
B |
Top |
| 6 |
Radio frequency |
10,357 |
334 |
C |
High |
| 7 |
Software-defined radio |
9,410 |
303 |
Start |
Mid |
| 8 |
Ionosphere |
8,369 |
269 |
B |
Mid |
| 9 |
North Sea flood of 1953 |
7,883 |
254 |
C |
Low |
| 10 |
Dipole antenna |
7,503 |
242 |
B |
Mid |
| 11 |
Q code |
7,125 |
229 |
C |
Mid |
| 12 |
Zenith Electronics |
7,023 |
226 |
C |
Low |
| 13 |
Yagi–Uda antenna |
6,978 |
225 |
C |
Mid |
| 14 |
Frequency modulation |
6,912 |
222 |
B |
High |
| 15 |
Rockwell Collins |
6,612 |
213 |
C |
Low |
| 16 |
Kenwood Corporation |
6,526 |
210 |
Start |
Mid |
| 17 |
Amplitude modulation |
6,013 |
193 |
C |
High |
| 18 |
Radio masts and towers |
5,504 |
177 |
C |
Low |
| 19 |
2-meter band |
5,355 |
172 |
Start |
High |
| 20 |
Baudot code |
4,822 |
155 |
Start |
Low |
| 21 |
CQD |
4,432 |
142 |
Start |
Low |
| 22 |
Frequency-shift keying |
4,297 |
138 |
Start |
Mid |
| 23 |
Single-sideband modulation |
4,130 |
133 |
B |
High |
| 24 |
Slow-scan television |
4,012 |
129 |
B |
High |
| 25 |
Call signs in the United States |
3,581 |
115 |
Start |
Low |
| 26 |
Amateur radio frequency allocations |
3,048 |
98 |
Start |
High |
| 27 |
Skywave |
2,922 |
94 |
B |
High |
| 28 |
Automatic Packet Reporting System |
2,900 |
93 |
C |
Mid |
| 29 |
Carrier wave |
2,748 |
88 |
Start |
Low |
| 30 |
QSL card |
2,720 |
87 |
Start |
High |
| 31 |
Baofeng UV-5R |
2,664 |
85 |
Start |
Low |
| 32 |
DigiKey |
2,459 |
79 |
Start |
Low |
| 33 |
Maidenhead Locator System |
2,456 |
79 |
C |
Mid |
| 34 |
Communication during the September 11 attacks |
2,451 |
79 |
B |
Low |
| 35 |
Owen Garriott |
2,435 |
78 |
B |
Low |
| 36 |
Radio propagation |
2,421 |
78 |
B |
Top |
| 37 |
FT8 |
2,398 |
77 |
Stub |
Unknown |
| 38 |
Prosigns for Morse code |
2,320 |
74 |
B |
Mid |
| 39 |
Ham radio |
2,013 |
64 |
NA |
NA |
| 40 |
CQ (call) |
2,004 |
64 |
C |
Unknown |
| 41 |
Amateur radio operator |
1,962 |
63 |
Start |
Top |
| 42 |
Heathkit |
1,945 |
62 |
B |
Mid |
| 43 |
Radioteletype |
1,851 |
59 |
B |
High |
| 44 |
DXing |
1,820 |
58 |
Start |
High |
| 45 |
Continuous wave |
1,792 |
57 |
Start |
High |
| 46 |
Amateur radio call signs |
1,775 |
57 |
Start |
High |
| 47 |
Earth–Moon–Earth communication |
1,733 |
55 |
Start |
Mid |
| 48 |
Long delayed echo |
1,708 |
55 |
Start |
Low |
| 49 |
Sporadic E propagation |
1,689 |
54 |
Start |
Mid |
| 50 |
ITU Region |
1,627 |
52 |
Stub |
Low |
| 51 |
Military Auxiliary Radio System |
1,588 |
51 |
B |
Low |
| 52 |
Telegraph key |
1,581 |
51 |
Start |
Mid |
| 53 |
Amateur radio licensing in the United States |
1,559 |
50 |
B |
Low |
| 54 |
Amateur television |
1,419 |
45 |
Start |
High |
| 55 |
ITU prefix |
1,372 |
44 |
Start |
Mid |
| 56 |
Hiram Percy Maxim |
1,349 |
43 |
Start |
Mid |
| 57 |
Packet radio |
1,333 |
43 |
C |
High |
| 58 |
Etymology of ham radio |
1,291 |
41 |
Start |
Low |
| 59 |
Antenna tuner |
1,278 |
41 |
C |
Low |
| 60 |
QRZ.com |
1,270 |
40 |
Start |
Low |
| 61 |
Amateur radio satellite |
1,247 |
40 |
C |
Low |
| 62 |
Surface wave |
1,238 |
39 |
B |
Mid |
| 63 |
AX.25 |
1,219 |
39 |
Start |
Low |
| 64 |
D-STAR |
1,219 |
39 |
C |
Low |
| 65 |
American Radio Relay League |
1,191 |
38 |
B |
High |
| 66 |
QRP operation |
1,187 |
38 |
Start |
Mid |
| 67 |
70-centimeter band |
1,161 |
37 |
Start |
High |
| 68 |
International reply coupon |
1,160 |
37 |
Start |
Low |
| 69 |
Velocity factor |
1,157 |
37 |
Start |
High |
| 70 |
J-pole antenna |
1,139 |
36 |
B |
Mid |
| 71 |
DX-pedition |
1,129 |
36 |
Start |
High |
| 72 |
6-meter band |
1,127 |
36 |
Start |
High |
| 73 |
Near vertical incidence skywave |
1,124 |
36 |
Start |
Mid |
| 74 |
10-meter band |
1,078 |
34 |
B |
High |
| 75 |
Winlink |
1,076 |
34 |
Start |
Mid |
| 76 |
R-S-T system |
1,054 |
34 |
Start |
Mid |
| 77 |
20-meter band |
1,050 |
33 |
Stub |
High |
| 78 |
WARC bands |
1,011 |
32 |
Start |
Mid |
| 79 |
Icom Incorporated |
1,002 |
32 |
Stub |
Mid |
| 80 |
WSJT (amateur radio software) |
1,000 |
32 |
Start |
Low |
| 81 |
40-meter band |
994 |
32 |
Start |
High |
| 82 |
Ground wave |
976 |
31 |
Start |
High |
| 83 |
Amateur Radio Emergency Service |
949 |
30 |
Start |
Mid |
| 84 |
Parks on the Air |
889 |
28 |
Stub |
High |
| 85 |
Baofeng (company) |
864 |
27 |
Start |
Low |
| 86 |
33-centimeter band |
857 |
27 |
Start |
Mid |
| 87 |
Hellschreiber |
855 |
27 |
Start |
Mid |
| 88 |
1.25-meter band |
848 |
27 |
Start |
Mid |
| 89 |
Beverage antenna |
847 |
27 |
Start |
Low |
| 90 |
Fldigi |
844 |
27 |
C |
Low |
| 91 |
Maximum usable frequency |
840 |
27 |
Start |
Mid |
| 92 |
List of amateur radio transceivers |
837 |
27 |
List |
Low |
| 93 |
Surrey Satellite Technology |
829 |
26 |
B |
Low |
| 94 |
Z code |
808 |
26 |
Start |
Low |
| 95 |
Yaesu (brand) |
803 |
25 |
Start |
Mid |
| 96 |
AMSAT-OSCAR 7 |
799 |
25 |
Start |
Low |
| 97 |
PSK31 |
796 |
25 |
B |
Mid |
| 98 |
Diplexer |
796 |
25 |
Start |
Low |
| 99 |
Amateur radio direction finding |
791 |
25 |
C |
High |
| 100 |
Wireless Set No. 19 |
777 |
25 |
C |
Low |
| 101 |
AMPRNet |
774 |
24 |
B |
Mid |
| 102 |
International Amateur Radio Union |
770 |
24 |
C |
Top |
| 103 |
Call signs in North America |
766 |
24 |
Start |
Low |
| 104 |
80-meter band |
760 |
24 |
Start |
High |
| 105 |
RS Americas |
759 |
24 |
Start |
Low |
| 106 |
Automatic link establishment |
748 |
24 |
C |
Mid |
| 107 |
60-meter band |
716 |
23 |
Start |
Mid |
| 108 |
List of amateur radio software |
701 |
22 |
List |
Mid |
| 109 |
KISS (amateur radio protocol) |
696 |
22 |
Start |
Mid |
| 110 |
SuitSat |
689 |
22 |
Start |
Low |
| 111 |
S meter |
681 |
21 |
Start |
Mid |
| 112 |
4-metre band |
675 |
21 |
Start |
Mid |
| 113 |
List of amateur radio modes |
667 |
21 |
List |
Mid |
| 114 |
Radiosport |
662 |
21 |
Start |
Mid |
| 115 |
Lafayette Radio Electronics |
661 |
21 |
Start |
Low |
| 116 |
Russian Morse code |
659 |
21 |
Start |
Low |
| 117 |
Contact (amateur radio) |
655 |
21 |
Stub |
Mid |
| 118 |
Call signs in the United Kingdom |
651 |
21 |
Start |
Low |
| 119 |
Skywarn |
649 |
20 |
Start |
Low |
| 120 |
Beat frequency oscillator |
625 |
20 |
Start |
Mid |
| 121 |
Amateur radio repeater |
625 |
20 |
Start |
High |
| 122 |
Hallicrafters |
622 |
20 |
Start |
Low |
| 123 |
Multiple frequency-shift keying |
614 |
19 |
Start |
Mid |
| 124 |
Call signs in Canada |
613 |
19 |
C |
Low |
| 125 |
Amateur radio operating award |
600 |
19 |
Stub |
High |
| 126 |
Popular Electronics |
590 |
19 |
C |
Low |
| 127 |
EchoLink |
583 |
18 |
Start |
Mid |
| 128 |
G5RV antenna |
575 |
18 |
Stub |
Low |
| 129 |
ACP 131 |
574 |
18 |
C |
Low |
| 130 |
History of amateur radio |
563 |
18 |
C |
Top |
| 131 |
Multi-Band Excitation |
559 |
18 |
Start |
Mid |
| 132 |
2200-meter band |
553 |
17 |
Start |
Mid |
| 133 |
Dummy load |
549 |
17 |
Start |
Low |
| 134 |
Yaesu VX series |
547 |
17 |
C |
Low |
| 135 |
Meteor burst communications |
545 |
17 |
Start |
Mid |
| 136 |
M17 (amateur radio) |
542 |
17 |
Start |
Low |
| 137 |
Driven and parasitic elements |
538 |
17 |
Start |
High |
| 138 |
Radio shack |
537 |
17 |
Stub |
Low |
| 139 |
160-meter band |
530 |
17 |
Start |
High |
| 140 |
Peak envelope power |
517 |
16 |
Start |
Low |
| 141 |
Terminal node controller |
507 |
16 |
Start |
Mid |
| 142 |
Amateur Radio on the International Space Station |
496 |
16 |
C |
Low |
| 143 |
500 kHz |
494 |
15 |
Start |
Low |
| 144 |
Contesting |
487 |
15 |
B |
High |
| 145 |
KPH (radio station) |
486 |
15 |
Start |
Mid |
| 146 |
Radio Act of 1912 |
477 |
15 |
Start |
Low |
| 147 |
Lost Boy Larry |
476 |
15 |
C |
Low |
| 148 |
Transmitter hunting |
474 |
15 |
B |
Mid |
| 149 |
Amateur radio in India |
474 |
15 |
B |
Mid |
| 150 |
23-centimeter band |
471 |
15 |
Stub |
Mid |
| 151 |
Grote Reber |
463 |
14 |
C |
Low |
| 152 |
Yaesu FT-101 |
462 |
14 |
Stub |
Low |
| 153 |
Vintage amateur radio |
459 |
14 |
GA |
High |
| 154 |
AMSAT |
456 |
14 |
Start |
Mid |
| 155 |
Radiogram (message) |
456 |
14 |
C |
Low |
| 156 |
15-meter band |
452 |
14 |
Stub |
High |
| 157 |
Radio Amateur Civil Emergency Service |
443 |
14 |
Start |
Mid |
| 158 |
R-390A |
439 |
14 |
Start |
Low |
| 159 |
Amateur radio emergency communications |
436 |
14 |
Start |
High |
| 160 |
630-meter band |
433 |
13 |
Start |
Mid |
| 161 |
Inverted vee antenna |
431 |
13 |
Stub |
Mid |
| 162 |
Charles E. Apgar |
426 |
13 |
GA |
Mid |
| 163 |
EF Johnson Technologies |
422 |
13 |
Stub |
Low |
| 164 |
PACTOR |
421 |
13 |
Start |
Mid |
| 165 |
QST |
414 |
13 |
C |
Mid |
| 166 |
BC-348 |
413 |
13 |
B |
Low |
| 167 |
Linear amplifier |
411 |
13 |
Start |
Low |
| 168 |
Quad antenna |
409 |
13 |
Start |
Low |
| 169 |
ICOM IC-7300 |
409 |
13 |
Stub |
Unknown |
| 170 |
Hidetsugu Yagi |
407 |
13 |
C |
Low |
| 171 |
Olivia MFSK |
406 |
13 |
Start |
Low |
| 172 |
Amateur radio propagation beacon |
402 |
12 |
Start |
Mid |
| 173 |
Summits On The Air |
397 |
12 |
Start |
Unknown |
| 174 |
PSK Reporter |
394 |
12 |
Start |
Mid |
| 175 |
CQ Amateur Radio |
364 |
11 |
Start |
Low |
| 176 |
Call signs in Australia |
360 |
11 |
List |
Low |
| 177 |
World Radiosport Team Championship |
356 |
11 |
Start |
Mid |
| 178 |
Japan Radio Company |
351 |
11 |
Stub |
Low |
| 179 |
Skip zone |
349 |
11 |
Start |
Low |
| 180 |
Paraset |
344 |
11 |
Start |
Low |
| 181 |
Call signs in Japan |
344 |
11 |
Start |
Low |
| 182 |
Call signs in New Zealand |
342 |
11 |
Start |
Low |
| 183 |
W1AW |
341 |
11 |
C |
High |
| 184 |
R. L. Drake Company |
337 |
10 |
Start |
Low |
| 185 |
Vibroplex |
336 |
10 |
Start |
Low |
| 186 |
Voice-operated switch |
334 |
10 |
Start |
Low |
| 187 |
MFJ Enterprises |
330 |
10 |
Stub |
Low |
| 188 |
Autopatch |
328 |
10 |
Stub |
Mid |
| 189 |
List of amateur radio frequency bands in India |
327 |
10 |
FL |
Mid |
| 190 |
FalconSAT |
323 |
10 |
Start |
Low |
| 191 |
SCR-284 |
323 |
10 |
Stub |
Low |
| 192 |
Amateur radio station |
321 |
10 |
B |
Top |
| 193 |
ICOM IC-705 |
319 |
10 |
Start |
Low |
| 194 |
Astatic Corporation |
317 |
10 |
Start |
Low |
| 195 |
13-centimeter band |
317 |
10 |
B |
High |
| 196 |
Grid dip oscillator |
312 |
10 |
Start |
Low |
| 197 |
8-meter band |
301 |
9 |
Start |
Mid |
| 198 |
Shintaro Uda |
296 |
9 |
Start |
Low |
| 199 |
Yaesu FT-891 |
289 |
9 |
Start |
Low |
| 200 |
Amateur radio international operation |
276 |
8 |
C |
Mid |
| 201 |
Sputnik 99 |
276 |
8 |
B |
Low |
| 202 |
Radio Amateurs Emergency Network |
270 |
8 |
Stub |
Low |
| 203 |
Hammarlund |
270 |
8 |
Start |
Low |
| 204 |
High-speed multimedia radio |
269 |
8 |
C |
Low |
| 205 |
Radio Society of Great Britain |
267 |
8 |
Start |
High |
| 206 |
Amateur radio net |
267 |
8 |
B |
Mid |
| 207 |
Internet Radio Linking Project |
266 |
8 |
Start |
Mid |
| 208 |
Radio Emergency Associated Communication Teams |
263 |
8 |
Start |
Low |
| 209 |
LowFER |
253 |
8 |
Start |
Low |
| 210 |
Ladder line |
242 |
7 |
NA |
Low |
| 211 |
Call signs in Asia |
237 |
7 |
Start |
Low |
| 212 |
U.S. Military Telegraph Corps |
234 |
7 |
B |
Low |
| 213 |
Call signs in Russia |
231 |
7 |
Start |
Low |
| 214 |
Maritime mobile amateur radio |
228 |
7 |
Start |
Mid |
| 215 |
AN/ART-13 |
226 |
7 |
Start |
Low |
| 216 |
National HRO |
221 |
7 |
Start |
Low |
| 217 |
International Beacon Project |
220 |
7 |
Stub |
Low |
| 218 |
Radio News |
218 |
7 |
Start |
Low |
| 219 |
Hallicrafters SX-28 |
218 |
7 |
B |
Mid |
| 220 |
Field Day (amateur radio) |
216 |
6 |
Start |
High |
| 221 |
Hamfest |
213 |
6 |
Start |
Mid |
| 222 |
QRA locator |
212 |
6 |
Start |
Low |
| 223 |
OSCAR |
208 |
6 |
NA |
Mid |
| 224 |
National Traffic System |
207 |
6 |
Start |
Low |
| 225 |
List of amateur radio organizations |
204 |
6 |
List |
Low |
| 226 |
Boat anchor (metaphor) |
199 |
6 |
Start |
Low |
| 227 |
Logbook of The World |
199 |
6 |
Start |
Low |
| 228 |
Call signs in Korea |
197 |
6 |
Start |
Low |
| 229 |
SPLAT! |
194 |
6 |
Stub |
Mid |
| 230 |
Yaesu FT-1000MP |
193 |
6 |
Start |
Low |
| 231 |
Sudden ionospheric disturbance |
190 |
6 |
Start |
Low |
| 232 |
Modulated continuous wave |
189 |
6 |
Stub |
Mid |
| 233 |
List of amateur radio magazines |
188 |
6 |
List |
Low |
| 234 |
Alinco |
187 |
6 |
Stub |
Low |
| 235 |
Eico |
186 |
6 |
Stub |
Low |
| 236 |
Saudi-OSCAR 50 |
185 |
5 |
Start |
Low |
| 237 |
BS7H Scarborough Reef DXpedition |
184 |
5 |
Start |
Mid |
| 238 |
SUNSAT |
181 |
5 |
Stub |
Low |
| 239 |
Wireless Set Number 11 |
176 |
5 |
Start |
Low |
| 240 |
High-speed telegraphy |
175 |
5 |
B |
Mid |
| 241 |
Improved Layer 2 Protocol |
175 |
5 |
Stub |
Low |
| 242 |
SITOR |
174 |
5 |
Stub |
Low |
| 243 |
Glossary of amateur radio |
174 |
5 |
Stub |
Low |
| 244 |
Dayton Hamvention |
171 |
5 |
Stub |
Low |
| 245 |
Braid-breaker |
170 |
5 |
Start |
Low |
| 246 |
KA9Q |
169 |
5 |
Stub |
Low |
| 247 |
5-meter band |
169 |
5 |
Start |
Low |
| 248 |
Modern Electrics |
168 |
5 |
Stub |
Low |
| 249 |
73 (magazine) |
168 |
5 |
Start |
Low |
| 250 |
OSCAR (satellite) |
164 |
5 |
Stub |
Low |
| 251 |
Absorption wavemeter |
164 |
5 |
Stub |
Low |
| 252 |
Call signs in the Middle East |
163 |
5 |
C |
Low |
| 253 |
Amateur radio homebrew |
162 |
5 |
Start |
High |
| 254 |
Hammarlund Super Pro |
162 |
5 |
Start |
Low |
| 255 |
Citizens band radio in India |
162 |
5 |
Stub |
Low |
| 256 |
Harold Beverage |
161 |
5 |
Start |
Low |
| 257 |
5-centimeter band |
160 |
5 |
Start |
Mid |
| 258 |
Ham radio (disambiguation) |
159 |
5 |
Disambig |
NA |
| 259 |
Jamboree on the Air |
158 |
5 |
Stub |
Mid |
| 260 |
Transverter |
155 |
5 |
Start |
Mid |
| 261 |
National Radio Company |
155 |
5 |
Stub |
Low |
| 262 |
AMTOR |
153 |
4 |
Stub |
Low |
| 263 |
Amateur radio licensing in China |
153 |
4 |
Start |
Low |
| 264 |
CW Skimmer |
152 |
4 |
Stub |
Low |
| 265 |
List of OSCAR satellites |
152 |
4 |
List |
Low |
| 266 |
Electronics Australia |
149 |
4 |
Start |
Low |
| 267 |
Communications receiver |
148 |
4 |
Start |
High |
| 268 |
QN Signals |
148 |
4 |
Start |
Unknown |
| 269 |
3Y0J Bouvet Island DXpedition |
147 |
4 |
C |
Mid |
| 270 |
Islands On The Air |
146 |
4 |
Start |
Low |
| 271 |
Phil Karn |
141 |
4 |
Stub |
Low |
| 272 |
Young Ladies Radio League |
141 |
4 |
Start |
Low |
| 273 |
Japan Amateur Radio League |
139 |
4 |
Stub |
High |
| 274 |
Swan Electronics |
137 |
4 |
Start |
Low |
| 275 |
Call signs in Mexico |
137 |
4 |
C |
Low |
| 276 |
DX cluster |
136 |
4 |
Start |
Low |
| 277 |
Fox-1B |
135 |
4 |
Start |
Low |
| 278 |
Computer aided transceiver |
134 |
4 |
Start |
Low |
| 279 |
Amateur radio call signs in Africa |
133 |
4 |
Start |
Low |
| 280 |
UoSAT-2 |
131 |
4 |
Start |
Low |
| 281 |
Wireless Institute of Australia |
130 |
4 |
Start |
Mid |
| 282 |
FBB (software) |
130 |
4 |
Stub |
Low |
| 283 |
Marshall D. Moran |
128 |
4 |
Start |
Mid |
| 284 |
Radio Amateurs of Canada |
125 |
4 |
Stub |
Mid |
| 285 |
Practical Wireless |
125 |
4 |
Stub |
Low |
| 286 |
Crossband operation |
125 |
4 |
Stub |
Low |
| 287 |
Amateur radio licensing in Australia |
122 |
3 |
Start |
Mid |
| 288 |
OSCAR 40 |
121 |
3 |
Start |
Low |
| 289 |
ICOM IC-7100 |
116 |
3 |
Stub |
Unknown |
| 290 |
Organisasi Amatir Radio Indonesia |
115 |
3 |
Stub |
Mid |
| 291 |
UoSAT-1 |
114 |
3 |
Stub |
Low |
| 292 |
HamSphere |
114 |
3 |
Start |
Low |
| 293 |
Amateur radio license |
113 |
3 |
NA |
NA |
| 294 |
Deutscher Amateur-Radio-Club |
113 |
3 |
Stub |
High |
| 295 |
Call signs in Antarctica |
113 |
3 |
Start |
Low |
| 296 |
Amateur radio licence categories in India |
112 |
3 |
Stub |
Mid |
| 297 |
Soviet–Canadian 1988 Polar Bridge Expedition |
112 |
3 |
Start |
Low |
| 298 |
HAMSAT |
111 |
3 |
Stub |
Low |
| 299 |
Sloper antenna |
111 |
3 |
Stub |
Low |
| 300 |
RFinder |
111 |
3 |
Start |
Low |
| 301 |
Title 47 CFR Part 97 |
110 |
3 |
Start |
Mid |
| 302 |
Varicode |
109 |
3 |
Start |
Low |
| 303 |
Junk box |
109 |
3 |
Start |
Low |
| 304 |
Starshine 3 |
109 |
3 |
Start |
Low |
| 305 |
Call signs in India |
108 |
3 |
Start |
Low |
| 306 |
Passive radiator |
107 |
3 |
NA |
NA |
| 307 |
BaoFeng UV-5R |
107 |
3 |
NA |
Low |
| 308 |
Russian Amateur Radio Union |
106 |
3 |
Stub |
High |
| 309 |
Signal/One |
102 |
3 |
Stub |
Low |
| 310 |
Amateur Station Operator's Certificate |
102 |
3 |
NA |
Mid |
| 311 |
APRS Calling |
102 |
3 |
Start |
Low |
| 312 |
Call signs in Europe |
101 |
3 |
Start |
Low |
| 313 |
Submillimeter amateur radio |
101 |
3 |
C |
Low |
| 314 |
QRB |
99 |
3 |
Disambig |
NA |
| 315 |
CANWARN |
99 |
3 |
Stub |
Low |
| 316 |
AMSAT-OSCAR 51 |
98 |
3 |
Start |
Low |
| 317 |
High Frequency Internet Protocol |
98 |
3 |
Stub |
Low |
| 318 |
75A-4 and KWS-1 |
96 |
3 |
Start |
Low |
| 319 |
Kuwait Amateur Radio Society |
95 |
3 |
Stub |
Mid |
| 320 |
Call signs in South America |
93 |
3 |
Start |
Low |
| 321 |
KP6PA Palmyra Atoll DXpedition |
93 |
3 |
Stub |
Low |
| 322 |
Summits on the Air |
92 |
2 |
NA |
Low |
| 323 |
National Contest Journal |
91 |
2 |
Start |
Low |
| 324 |
QRO |
90 |
2 |
NA |
NA |
| 325 |
Radio Amateur Society of Thailand |
90 |
2 |
Start |
High |
| 326 |
Radio Club Paraguayo |
90 |
2 |
Stub |
Mid |
| 327 |
DX Century Club |
89 |
2 |
NA |
Low |
| 328 |
Wide-coverage Internet Repeater Enhancement System |
89 |
2 |
Stub |
Low |
| 329 |
Tucson Amateur Packet Radio |
88 |
2 |
Stub |
Low |
| 330 |
List of DX-peditions |
88 |
2 |
List |
Mid |
| 331 |
Wireless Ship Act of 1910 |
84 |
2 |
C |
Low |
| 332 |
Beardslee Telegraph |
83 |
2 |
Start |
Low |
| 333 |
Rohn Industries |
81 |
2 |
Stub |
Low |
| 334 |
Fox oring |
80 |
2 |
Start |
Low |
| 335 |
UoSAT-12 |
80 |
2 |
Stub |
Low |
| 336 |
Shuttle Amateur Radio Experiment |
80 |
2 |
Start |
Mid |
| 337 |
Popular Communications |
80 |
2 |
Stub |
Low |
| 338 |
Heys Collection |
80 |
2 |
Stub |
Low |
| 339 |
Winradio |
79 |
2 |
Stub |
Low |
| 340 |
QEX |
79 |
2 |
Stub |
Low |
| 341 |
South African Radio League |
76 |
2 |
Start |
Mid |
| 342 |
Portable operation (amateur radio) |
76 |
2 |
Stub |
Mid |
| 343 |
Philippine Amateur Radio Association |
76 |
2 |
Stub |
Mid |
| 344 |
Spartan Packet Radio Experiment |
76 |
2 |
Stub |
Low |
| 345 |
Airplane scatter |
76 |
2 |
Start |
Mid |
| 346 |
Salvation Army Team Emergency Radio Network |
75 |
2 |
Stub |
Low |
| 347 |
World Radio Laboratories |
72 |
2 |
Stub |
Low |
| 348 |
BLUEsat UNSW |
71 |
2 |
Start |
Low |
| 349 |
International Amateur Radio Club |
71 |
2 |
Stub |
Low |
| 350 |
Ukrainian Amateur Radio League |
70 |
2 |
Stub |
High |
| 351 |
SumbandilaSat |
67 |
2 |
Start |
Low |
| 352 |
Chinese Radio Sports Association |
66 |
2 |
Stub |
High |
| 353 |
Unión de Radioaficionados Españoles |
66 |
2 |
Stub |
High |
| 354 |
Balloon Experiments with Amateur Radio |
66 |
2 |
Start |
Low |
| 355 |
Call signs in Argentina |
66 |
2 |
Start |
Low |
| 356 |
Five Nine |
65 |
2 |
Stub |
Low |
| 357 |
Contest logging software |
64 |
2 |
Start |
Low |
| 358 |
Amateur auxiliary |
63 |
2 |
Start |
Low |
| 359 |
CLOVER2000 |
63 |
2 |
Stub |
Low |
| 360 |
K.W. Electronics |
63 |
2 |
Start |
Unknown |
| 361 |
ICOM IC-905 |
63 |
2 |
Stub |
Unknown |
| 362 |
Q codes |
62 |
2 |
NA |
NA |
| 363 |
Estonian Radio Amateurs' Union |
62 |
2 |
Stub |
Mid |
| 364 |
Winmor |
62 |
2 |
Start |
Low |
| 365 |
Call signs in Oceania |
62 |
2 |
Start |
Low |
| 366 |
Croatian Amateur Radio Association |
60 |
1 |
Stub |
Mid |
| 367 |
Electronics Illustrated |
59 |
1 |
Start |
Low |
| 368 |
Polski Związek Krótkofalowców |
58 |
1 |
Stub |
High |
| 369 |
Fox-1D |
58 |
1 |
Start |
Low |
| 370 |
Funkamateur |
58 |
1 |
Stub |
Low |
| 371 |
Single operator two radios |
56 |
1 |
Start |
Low |
| 372 |
Amateur radio bands |
56 |
1 |
NA |
High |
| 373 |
Associazione Radioamatori Italiani |
56 |
1 |
Stub |
Mid |
| 374 |
Trinidad and Tobago Amateur Radio Society |
55 |
1 |
Start |
Mid |
| 375 |
Ella Cheever Thayer |
55 |
1 |
Start |
Low |
| 376 |
FO0XB Clipperton Island DXpedition |
55 |
1 |
Stub |
Low |
| 377 |
Mbanna Kantako |
54 |
1 |
Start |
Low |
| 378 |
New Zealand Association of Radio Transmitters |
54 |
1 |
Start |
Mid |
| 379 |
European Radio Amateurs' Organization |
54 |
1 |
Start |
Low |
| 380 |
$50SAT |
54 |
1 |
Start |
Low |
| 381 |
Tampere Convention |
53 |
1 |
Start |
Low |
| 382 |
Swedish Society of Radio Amateurs |
53 |
1 |
Stub |
High |
| 383 |
Réseau des Émetteurs Français |
52 |
1 |
Stub |
High |
| 384 |
Radio Club Argentino |
52 |
1 |
Stub |
High |
| 385 |
Weber-OSCAR 18 |
52 |
1 |
Start |
Low |
| 386 |
CQ ham radio |
51 |
1 |
Stub |
Low |
| 387 |
Contesting controversies |
50 |
1 |
Start |
Low |
| 388 |
CUTE-1.7 + APD |
50 |
1 |
Stub |
Low |
| 389 |
Fox-1A |
50 |
1 |
Start |
Low |
| 390 |
Fox-1Cliff |
50 |
1 |
Start |
Low |
| 391 |
Worked All States |
49 |
1 |
NA |
Low |
| 392 |
War Emergency Radio Service |
49 |
1 |
Stub |
Low |
| 393 |
QRZ |
49 |
1 |
NA |
NA |
| 394 |
Radio Club Peruano |
49 |
1 |
Stub |
Mid |
| 395 |
Swedish Voluntary Radio Organization |
48 |
1 |
Stub |
Low |
| 396 |
RadCom |
46 |
1 |
Stub |
Low |
| 397 |
WorldRadio |
46 |
1 |
Stub |
Low |
| 398 |
Federacion de Radioaficionados de Cuba |
46 |
1 |
Stub |
Mid |
| 399 |
Relay league |
45 |
1 |
Stub |
Low |
| 400 |
Radio orienteering in a compact area |
45 |
1 |
Stub |
Low |
| 401 |
Kenwood TS-2000 |
45 |
1 |
NA |
Low |
| 402 |
Amateur Radio Society of India |
45 |
1 |
Start |
Mid |
| 403 |
Irish Radio Transmitters Society |
45 |
1 |
Start |
High |
| 404 |
Association of Radio Amateurs of Slovenia |
45 |
1 |
Stub |
Mid |
| 405 |
Magnetic loop |
44 |
1 |
NA |
Mid |
| 406 |
Amateur Radio Emergency Communications |
44 |
1 |
Start |
Low |
| 407 |
K9YA Telegraph |
44 |
1 |
Stub |
Low |
| 408 |
OZ7IGY |
44 |
1 |
Stub |
Low |
| 409 |
Mumbai Amateur Radio Society |
44 |
1 |
Start |
Low |
| 410 |
HADES (satellite) |
44 |
1 |
Stub |
Unknown |
| 411 |
Turbo Dispatch |
43 |
1 |
Start |
Low |
| 412 |
Remote base station |
42 |
1 |
Stub |
Low |
| 413 |
Suomen Radioamatööriliitto |
42 |
1 |
Stub |
High |
| 414 |
Kazakhstan Federation of Radiosport and Radio Amateur |
41 |
1 |
Stub |
Mid |
| 415 |
Quarter Century Wireless Association |
40 |
1 |
Stub |
Low |
| 416 |
Old Man (magazine) |
40 |
1 |
Stub |
Low |
| 417 |
Experimenterende Danske Radioamatører |
40 |
1 |
Stub |
Mid |
| 418 |
Norsk Radio Relæ Liga |
40 |
1 |
Stub |
Mid |
| 419 |
Radio Club Venezolano |
40 |
1 |
Stub |
Mid |
| 420 |
Volunteer Examiner Coordinator |
39 |
1 |
Stub |
Low |
| 421 |
British DX Club |
39 |
1 |
Start |
Low |
| 422 |
Korean Amateur Radio League |
39 |
1 |
Stub |
Mid |
| 423 |
Rede dos Emissores Portugueses |
39 |
1 |
Stub |
Mid |
| 424 |
Federația Română de Radioamatorism |
39 |
1 |
Stub |
High |
| 425 |
Asocijacija radioamatera u Bosni i Hercegovini |
39 |
1 |
Stub |
Mid |
| 426 |
Pakistan Amateur Radio Society |
39 |
1 |
Stub |
Mid |
| 427 |
Royal Union of Belgian Radio Amateurs |
38 |
1 |
Stub |
Mid |
| 428 |
Leslie R. Mitchell |
38 |
1 |
C |
Low |
| 429 |
Q Code |
37 |
1 |
NA |
NA |
| 430 |
KiwiSAT |
37 |
1 |
NA |
NA |
| 431 |
Federacion Mexicana de Radio Experimentadores |
37 |
1 |
Stub |
High |
| 432 |
Bangladesh Amateur Radio League |
37 |
1 |
Stub |
Mid |
| 433 |
British Amateur Television Club |
36 |
1 |
Stub |
Low |
| 434 |
Belarusian Federation of Radioamateurs and Radiosportsmen |
36 |
1 |
Stub |
Mid |
| 435 |
Club de Radio Aficionados de El Salvador |
36 |
1 |
Stub |
Mid |
| 436 |
Qatar Amateur Radio Society |
36 |
1 |
Stub |
Mid |
| 437 |
Hong Kong Amateur Radio Transmitting Society |
35 |
1 |
Stub |
High |
| 438 |
The Canadian Amateur |
35 |
1 |
Stub |
Low |
| 439 |
Dalton Pritchard |
35 |
1 |
Start |
Low |
| 440 |
UoSAT-3 |
35 |
1 |
Stub |
Low |
| 441 |
Guides on the Air |
34 |
1 |
Stub |
Low |
| 442 |
First Class CW Operators' Club |
34 |
1 |
Stub |
Low |
| 443 |
Liga de Amadores Brasileiros de Rádio Emissão |
34 |
1 |
Stub |
High |
| 444 |
Mongolian Amateur Radio Society |
34 |
1 |
Stub |
Mid |
| 445 |
Radio Club de Chile |
34 |
1 |
Stub |
Mid |
| 446 |
PANSAT |
34 |
1 |
Start |
Low |
| 447 |
3Y5X Bouvet Island DXpedition |
34 |
1 |
Stub |
Mid |
| 448 |
Frequency plan |
33 |
1 |
NA |
Mid |
| 449 |
Worked All Continents |
33 |
1 |
NA |
Low |
| 450 |
Hy-Gain Antennas and Rotators |
33 |
1 |
NA |
Low |
| 451 |
Hamfest India |
33 |
1 |
Stub |
Low |
| 452 |
Chinese Taipei Amateur Radio League |
33 |
1 |
Stub |
Low |
| 453 |
Special event station |
33 |
1 |
Start |
Low |
| 454 |
Hungarian World Bus & DX-Pedition |
33 |
1 |
B |
Low |
| 455 |
Bulgarian Federation of Radio Amateurs |
32 |
1 |
Stub |
Mid |
| 456 |
Liga Colombiana de Radioaficionados |
32 |
1 |
Stub |
Mid |
| 457 |
Israel Amateur Radio Club |
32 |
1 |
Stub |
Mid |
| 458 |
Association Royale des Radio Amateurs du Maroc |
32 |
1 |
Stub |
Mid |
| 459 |
Call signs in Barbados |
32 |
1 |
Start |
Low |
| 460 |
Q15X25 |
31 |
1 |
Stub |
Low |
| 461 |
Friendship Radiosport Games |
31 |
1 |
Start |
Low |
| 462 |
Worked All Zones |
31 |
1 |
NA |
Low |
| 463 |
Macau Amateur Radio Society |
31 |
1 |
Stub |
High |
| 464 |
Slovenský Zväz Rádioamatérov |
31 |
1 |
Stub |
High |
| 465 |
CQ DL |
31 |
1 |
Stub |
Low |
| 466 |
Radioamaterski Sojuz na Makedonija |
30 |
0 |
Stub |
Mid |
| 467 |
Parallel Logic Radio Interface |
30 |
0 |
Start |
Low |
| 468 |
HamSCI |
30 |
0 |
Stub |
Low |
| 469 |
Texas DX Society |
29 |
0 |
Start |
Low |
| 470 |
EQSO |
28 |
0 |
NA |
NA |
| 471 |
Österreichischer Versuchssenderverband |
28 |
0 |
Stub |
High |
| 472 |
Latvijas Radio Amatieru Līga |
28 |
0 |
Stub |
Mid |
| 473 |
Club de Radioaficionados de Guatemala |
28 |
0 |
Stub |
Mid |
| 474 |
Amateurs Radio Algeriens |
28 |
0 |
Stub |
Mid |
| 475 |
Len Jarrett |
28 |
0 |
Start |
Low |
| 476 |
CQ VHF Magazine |
28 |
0 |
Stub |
Low |
| 477 |
SEDSAT-1 |
28 |
0 |
Start |
Low |
| 478 |
Malaysian Amateur Radio Transmitters' Society |
27 |
0 |
Stub |
High |
| 479 |
Radio Amateur Association of Greece |
27 |
0 |
Start |
Low |
| 480 |
Radio Club de Costa Rica |
27 |
0 |
Stub |
Mid |
| 481 |
Emirates Amateur Radio Society |
27 |
0 |
Stub |
Mid |
| 482 |
Ak-Sar-Ben Amateur Radio Club |
27 |
0 |
Start |
Low |
| 483 |
PSAT-2 |
27 |
0 |
Stub |
Low |
| 484 |
Radar Fence Transponder |
27 |
0 |
Start |
Low |
| 485 |
List of HSMM nodes |
26 |
0 |
List |
Low |
| 486 |
Syrian Scientific Technical Amateur Radio Society |
26 |
0 |
Stub |
Mid |
| 487 |
Amateur radio call signs of the United Kingdom |
26 |
0 |
NA |
Low |
| 488 |
UoSAT-4 |
26 |
0 |
Stub |
Low |
| 489 |
Asociația Radioamatorilor din Moldova |
25 |
0 |
Stub |
Mid |
| 490 |
Mongolian Radio Sport Federation |
25 |
0 |
Stub |
Mid |
| 491 |
National Institute of Amateur Radio |
25 |
0 |
Stub |
Low |
| 492 |
Wireless Institute Civil Emergency Network |
25 |
0 |
Start |
Low |
| 493 |
Royal Naval Amateur Radio Society |
24 |
0 |
Stub |
Low |
| 494 |
Indian Wireless Telegraph (Amateur Service) Rules, 1978 |
24 |
0 |
Stub |
Mid |
| 495 |
Savez Radio-Amatera Srbije |
24 |
0 |
Stub |
Mid |
| 496 |
Pi network |
24 |
0 |
NA |
NA |
| 497 |
BRICSat-2 |
24 |
0 |
Start |
Low |
| 498 |
Simulated Emergency Test |
23 |
0 |
Stub |
Low |
| 499 |
RIGblaster Nomic |
23 |
0 |
Stub |
Low |
| 500 |
Global Amateur Radio Emergency Communications Conference |
23 |
0 |
Stub |
Low |
| 501 |
Amateur Radio Association of Bahrain |
23 |
0 |
Stub |
Mid |
| 502 |
Skip (radio) |
22 |
0 |
NA |
Low |
| 503 |
Liga Panameña de Radioaficionados |
22 |
0 |
Stub |
Mid |
| 504 |
Unió de Radioaficionats Andorrans |
22 |
0 |
Stub |
Mid |
| 505 |
Nordic Radio Amateur Union |
22 |
0 |
Stub |
Low |
| 506 |
Orbiting Picosat Automatic Launcher |
22 |
0 |
Start |
Low |
| 507 |
VHF/UHF Century Club |
21 |
0 |
NA |
Low |
| 508 |
Malta Amateur Radio League |
21 |
0 |
Start |
Mid |
| 509 |
Íslenskir Radíóamatörar |
21 |
0 |
Stub |
Mid |
| 510 |
Eunice Randall |
21 |
0 |
C |
Unknown |
| 511 |
Union of Swiss Short Wave Amateurs |
20 |
0 |
Stub |
High |
| 512 |
Club de Radioexperimentadores de Nicaragua |
20 |
0 |
Stub |
Mid |
| 513 |
Contesting technology |
19 |
0 |
Start |
Low |
| 514 |
South Jersey Radio Association |
19 |
0 |
Start |
Low |
| 515 |
Singapore Amateur Radio Transmitting Society |
19 |
0 |
Stub |
High |
| 516 |
UoSAT-5 |
19 |
0 |
Stub |
Low |
| 517 |
Telsiz ve Radyo Amatörleri Cemiyeti |
18 |
0 |
NA |
Mid |
| 518 |
Aruba Amateur Radio Club |
18 |
0 |
Stub |
Mid |
| 519 |
Kenwood TS-820S |
18 |
0 |
NA |
Low |
| 520 |
Q signal |
17 |
0 |
NA |
NA |
| 521 |
Réseau Luxembourgeois des Amateurs d'Ondes Courtes |
17 |
0 |
Stub |
High |
| 522 |
Radio Society of Sri Lanka |
17 |
0 |
Stub |
Mid |
| 523 |
Radio Club de Honduras |
17 |
0 |
Stub |
Mid |
| 524 |
Manly-Warringah Radio Society |
17 |
0 |
Start |
Mid |
| 525 |
Iraqi Amateur Radio Society |
16 |
0 |
Stub |
Mid |
| 526 |
SK7MQ |
16 |
0 |
Stub |
Low |
| 527 |
Vanity call sign |
15 |
0 |
NA |
Low |
| 528 |
Radio Club Uruguayo |
15 |
0 |
Stub |
Mid |
| 529 |
Q Codes |
13 |
0 |
NA |
NA |
| 530 |
JNA Wireless Association |
13 |
0 |
Start |
Low |
| 531 |
Ham net |
13 |
0 |
NA |
NA |
| 532 |
Antenna height above average terrain |
12 |
0 |
NA |
Low |
| 533 |
Amateur radio call signs of Antarctica |
12 |
0 |
NA |
Low |
| 534 |
Official Observer |
11 |
0 |
NA |
NA |
| 535 |
Mauritius Amateur Radio Society |
11 |
0 |
Stub |
Mid |
| 536 |
ARRL International Humanitarian Award |
11 |
0 |
Stub |
Mid |
| 537 |
Replexer |
10 |
0 |
NA |
Mid |
| 538 |
Yaesu FT-221 |
10 |
0 |
NA |
Low |
| 539 |
Lesotho Amateur Radio Society |
10 |
0 |
Stub |
Mid |
| 540 |
Wireless Institute of Queensland |
10 |
0 |
Start |
Low |
| 541 |
QRN |
9 |
0 |
NA |
NA |
| 542 |
LI2B |
9 |
0 |
NA |
Low |
| 543 |
Turkish Amateur Radio Association |
9 |
0 |
NA |
NA |
| 544 |
PCSat2 |
8 |
0 |
Stub |
Low |
| 545 |
Official Observer Coordinator |
8 |
0 |
NA |
Low |
| 546 |
Radio ZS |
8 |
0 |
NA |
Low |
| 547 |
Qrc |
7 |
0 |
NA |
NA |
| 548 |
Call signs in Pakistan |
7 |
0 |
NA |
Low |
| 549 |
Q signals |
6 |
0 |
NA |
NA |
| 550 |
Qra |
6 |
0 |
NA |
NA |
| 551 |
Amateur radio call signs of Ireland |
6 |
0 |
NA |
Low |
| 552 |
LX National QSL Bureau |
6 |
0 |
Stub |
Low |
| 553 |
Amateur radio call signs of Africa |
6 |
0 |
NA |
NA |
| 554 |
Qro |
5 |
0 |
NA |
NA |
| 555 |
Amateur radio contest |
5 |
0 |
NA |
NA |
| 556 |
Amateur radio call signs of Oceania |
5 |
0 |
NA |
Low |
| 557 |
Associacao de Radioamadores da Linha de Cascais |
5 |
0 |
Start |
Low |
| 558 |
QNB (amateur radio) |
4 |
0 |
NA |
NA |
| 559 |
Q-signal |
4 |
0 |
NA |
NA |
| 560 |
2200m band |
3 |
0 |
NA |
NA |
| 561 |
QNB:Amateur Radio |
2 |
0 |
NA |
NA |
| 562 |
Section traffic manager |
2 |
0 |
NA |
Low |
| 563 |
Call signs in South Africa |
2 |
0 |
NA |
NA |
| 564 |
Section emergency coordinator |
1 |
0 |
NA |
Low |
| 565 |
Call signs in Ireland |
0 |
0 |
NA |
Low |
|
