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List[edit]

Period: 2024-03-01 to 2024-03-31

Total views: 1,076,998

Updated: 03:59, 4 April 2024 (UTC)

Rank Page title Views Daily average Assessment Importance
1 NATO phonetic alphabet 267,914 8,642 C Low
2 Morse code 160,898 5,190 B High
3 Guglielmo Marconi 36,467 1,176 B Mid
4 Amateur radio 33,502 1,080 B Top
5 Radio frequency 25,942 836 C High
6 Amplitude modulation 22,413 723 C High
7 Frequency modulation 19,525 629 B High
8 Software-defined radio 18,638 601 C Mid
9 Duga radar 18,171 586 B Low
10 Dipole antenna 16,234 523 B Mid
11 Ionosphere 14,961 482 B Mid
12 Yagi–Uda antenna 11,678 376 C Mid
13 Single-sideband modulation 11,421 368 B High
14 Q code 10,882 351 C Mid
15 Frequency-shift keying 10,511 339 Start Mid
16 Hiram Percy Maxim 10,192 328 Start Mid
17 Rockwell Collins 8,849 285 C Low
18 North Sea flood of 1953 8,370 270 C Low
19 Amateur radio frequency allocations 7,940 256 Start High
20 Radio masts and towers 7,591 244 C Low
21 Automatic Packet Reporting System 7,567 244 C Mid
22 Kenwood Corporation 7,397 238 Start Mid
23 Carrier wave 6,929 223 Start Low
24 Slow-scan television 6,892 222 B High
25 Zenith Electronics 6,508 209 C Low
26 CQD 6,200 200 Start Low
27 Baofeng UV-5R 6,152 198 Start Low
28 Baudot code 6,121 197 Start Low
29 Call signs in the United States 5,901 190 Start Low
30 Radio propagation 5,711 184 B Top
31 CQ (call) 4,831 155 Stub Low
32 Prosigns for Morse code 4,773 153 C Mid
33 Skywave 4,761 153 B High
34 Earth–Moon–Earth communication 4,565 147 Start Mid
35 Maidenhead Locator System 4,507 145 C Mid
36 DigiKey 4,414 142 Start Low
37 10-meter band 4,375 141 B High
38 Surface wave 4,193 135 B Mid
39 FT8 4,072 131 Stub Unknown
40 QSL card 3,963 127 Start High
41 Continuous wave 3,798 122 Start High
42 2-meter band 3,731 120 Start High
43 70-centimeter band 3,614 116 Start High
44 D-STAR 3,546 114 C Low
45 Amateur radio operator 3,499 112 Start Top
46 Amateur radio licensing in the United States 3,426 110 B Low
47 Radioteletype 3,404 109 B High
48 Amateur television 3,399 109 Start High
49 Antenna tuner 3,100 100 C Low
50 6-meter band 3,085 99 Start High
51 Military Auxiliary Radio System 3,084 99 B Low
52 ITU Region 2,952 95 Stub Low
53 Amateur radio call signs 2,936 94 Start High
54 Heathkit 2,903 93 B Mid
55 Etymology of ham radio 2,876 92 Start Low
56 Communication during the September 11 attacks 2,803 90 B Low
57 Velocity factor 2,744 88 Start High
58 QRP operation 2,700 87 Start Mid
59 WARC bands 2,699 87 Start Mid
60 Call signs in North America 2,684 86 Start Low
61 Near vertical incidence skywave 2,655 85 Start Mid
62 DXing 2,628 84 Start High
63 J-pole antenna 2,593 83 C Mid
64 Owen Garriott 2,519 81 B Low
65 WSJT (amateur radio software) 2,488 80 Start Low
66 40-meter band 2,445 78 Start High
67 Packet radio 2,311 74 Start High
68 International reply coupon 2,257 72 Start Low
69 1.25-meter band 2,228 71 Start Mid
70 R-S-T system 2,167 69 Start Mid
71 Amateur radio satellite 2,046 66 C Low
72 ITU prefix 1,940 62 Start Mid
73 Telegraph key 1,938 62 Start Mid
74 20-meter band 1,919 61 Stub High
75 PSK31 1,893 61 B Mid
76 Diplexer 1,824 58 Start Low
77 QRZ.com 1,753 56 Start Low
78 American Radio Relay League 1,715 55 C High
79 AX.25 1,702 54 Start Low
80 Ham radio 1,683 54 NA NA
81 Winlink 1,657 53 Start Mid
82 Hellschreiber 1,597 51 Start Mid
83 Fldigi 1,582 51 C Low
84 60-meter band 1,565 50 Start Mid
85 33-centimeter band 1,544 49 Start Mid
86 Yaesu (brand) 1,522 49 Start Mid
87 List of amateur radio transceivers 1,498 48 List Low
88 80-meter band 1,481 47 Start High
89 Beat frequency oscillator 1,457 47 Start Mid
90 DX-pedition 1,435 46 Start High
91 Amateur radio in India 1,403 45 B Mid
92 List of amateur radio modes 1,395 45 List Mid
93 Amateur radio repeater 1,375 44 Start High
94 Automatic link establishment 1,367 44 C Mid
95 Grote Reber 1,343 43 C Low
96 Multiple frequency-shift keying 1,341 43 Start Mid
97 Peak envelope power 1,286 41 Start Low
98 Beverage antenna 1,282 41 Start Low
99 AMSAT-OSCAR 7 1,249 40 Start Low
100 G5RV antenna 1,238 39 Stub Low
101 Parks On The Air 1,236 39 Stub High
102 Sporadic E propagation 1,234 39 Start Mid
103 Dummy load 1,217 39 Start Low
104 4-metre band 1,204 38 Start Mid
105 S meter 1,193 38 Start Mid
106 AMPRNet 1,185 38 B Mid
107 Contact (amateur radio) 1,120 36 Stub Mid
108 Call signs in Canada 1,119 36 C Low
109 Z code 1,115 35 Start Low
110 Surrey Satellite Technology 1,066 34 B Low
111 Call signs in the United Kingdom 1,060 34 Start Low
112 Linear amplifier 1,054 34 Start Low
113 EchoLink 1,048 33 Start Mid
114 Maximum usable frequency 1,045 33 Start Mid
115 List of amateur radio software 1,029 33 List Mid
116 ACP 131 1,029 33 C Low
117 500 kHz 1,019 32 Start Low
118 160-meter band 1,019 32 Start High
119 Wireless Set No. 19 1,001 32 C Low
120 Field Day (amateur radio) 990 31 Start High
121 Long delayed echo 971 31 Start Low
122 Hallicrafters 961 31 Start Low
123 Popular Electronics 942 30 C Low
124 Driven and parasitic elements 939 30 Start High
125 KPH (radio station) 938 30 Start Mid
126 Amateur radio direction finding 929 29 C High
127 FalconSAT 926 29 Start Low
128 Radiogram (message) 902 29 C Low
129 RS Americas, Inc 897 28 Start Low
130 2200-meter band 888 28 Start Mid
131 International Amateur Radio Union 887 28 Start Top
132 Icom Incorporated 883 28 Stub Mid
133 CQ Amateur Radio 874 28 Start Low
134 Amateur radio operating award 874 28 Stub High
135 Transmitter hunting 872 28 B Mid
136 23-centimeter band 869 28 Stub Mid
137 15-meter band 863 27 Stub High
138 KISS (amateur radio protocol) 856 27 Start Mid
139 Lafayette Radio Electronics 854 27 Start Low
140 Contesting 853 27 B High
141 ICOM IC-7300 842 27 Stub Unknown
142 630-meter band 839 27 Start Mid
143 Amateur radio propagation beacon 817 26 Start Mid
144 History of amateur radio 813 26 C Top
145 Astatic Corporation 811 26 Start Low
146 Terminal node controller 808 26 Start Mid
147 Yaesu VX series 799 25 C Low
148 Multi-Band Excitation 796 25 Start Mid
149 R-390A 781 25 Start Low
150 Voice-operated switch 781 25 Start Low
151 Radio shack 771 24 Stub Low
152 List of amateur radio frequency bands in India 748 24 FL Mid
153 Yaesu FT-101 730 23 Stub Low
154 Radio Act of 1912 719 23 Start Low
155 Lost Boy Larry 712 22 C Low
156 M17 (amateur radio) 698 22 Start Low
157 Quad antenna 692 22 Stub Low
158 Inverted vee antenna 686 22 Stub Mid
159 Meteor burst communications 685 22 Start Mid
160 Amateur Radio Emergency Service 675 21 Start Mid
161 Hidetsugu Yagi 660 21 C Low
162 Amateur radio station 656 21 B Top
163 Call signs in Australia 653 21 List Low
164 PSK Reporter 651 21 Start Mid
165 Skywarn 648 20 Start Low
166 Skip zone 634 20 Stub Low
167 Radiosport 627 20 Start Mid
168 BC-348 626 20 Start Low
169 Amateur radio international operation 624 20 C Mid
170 W1AW 613 19 Start High
171 Olivia MFSK 613 19 Start Low
172 Grid dip oscillator 602 19 Start Low
173 Radio Amateur Civil Emergency Service 598 19 Start Mid
174 Japan Radio Company 595 19 Stub Low
175 AMSAT 592 19 Start Mid
176 8-meter band 590 19 Start Mid
177 PACTOR 580 18 Start Mid
178 Amateur Radio on the International Space Station 568 18 C Low
179 Vintage amateur radio 566 18 GA High
180 High-speed multimedia radio 548 17 C Low
181 QST 539 17 C Mid
182 R. L. Drake Company 515 16 Start Low
183 ICOM IC-705 509 16 Start Low
184 Amateur radio emergency communications 509 16 Start High
185 13-centimeter band 509 16 Stub High
186 Russian Morse code 507 16 Start Low
187 Charles E. Apgar 504 16 GA Mid
188 Shintaro Uda 490 15 Start Low
189 Radio Emergency Associated Communication Teams 465 15 Start Low
190 Citizens band radio in India 462 14 Stub Low
191 Call signs in Asia 460 14 Start Low
192 SCR-284 457 14 Stub Low
193 Amateur radio net 444 14 B Mid
194 EF Johnson Technologies 433 13 Stub Low
195 Transverter 413 13 Start Mid
196 SITOR 410 13 Stub Low
197 Yaesu FT-891 408 13 Start Low
198 Communications receiver 405 13 Start High
199 Sudden ionospheric disturbance 401 12 Start Low
200 Hallicrafters SX-28 391 12 B Mid
201 SuitSat 384 12 Start Low
202 Internet Radio Linking Project 369 11 Start Mid
203 BaoFeng UV-5R 361 11 NA Low
204 Hamfest 353 11 Start Mid
205 International Beacon Project 350 11 Stub Low
206 Call signs in Russia 349 11 Start Low
207 National Traffic System 344 11 Start Low
208 Maritime mobile amateur radio 340 10 Start Mid
209 Autopatch 339 10 Stub Mid
210 LowFER 336 10 Start Low
211 Boat anchor (metaphor) 329 10 Start Low
212 OSCAR 328 10 NA Mid
213 Ham radio (disambiguation) 328 10 Disambig NA
214 Hammarlund 325 10 Start Low
215 AN/ART-13 325 10 Start Low
216 List of amateur radio organizations 324 10 List Low
217 National HRO 317 10 Start Low
218 Call signs in Japan 312 10 Start Low
219 Amateur radio homebrew 312 10 Start High
220 Absorption wavemeter 303 9 Stub Low
221 SUNSAT 296 9 Stub Low
222 Russian Amateur Radio Union 292 9 Stub High
223 MFJ Enterprises 289 9 Stub Low
224 Wireless Institute of Australia 286 9 Start Mid
225 Crossband operation 286 9 Stub Low
226 Radio News 281 9 Start Low
227 Pi network 276 8 NA NA
228 Modulated continuous wave 276 8 Stub Mid
229 QRA locator 275 8 Start Low
230 Radio Society of Great Britain 275 8 Start High
231 Phil Karn 274 8 Stub Low
232 Computer aided transceiver 272 8 Start Low
233 List of amateur radio magazines 272 8 List Low
234 HAMSAT 270 8 Stub Low
235 Modern Electrics 265 8 Stub Low
236 Sputnik 99 261 8 B Low
237 Eico 261 8 Stub Low
238 KA9Q 259 8 Stub Low
239 Wireless Set Number 11 259 8 Start Low
240 Logbook of The World 255 8 Start Low
241 Amateur radio call signs in Africa 255 8 Start Low
242 Dayton Hamvention 254 8 Stub Low
243 Alinco 250 8 Stub Low
244 QN Signals 249 8 Unknown Unknown
245 High-speed telegraphy 246 7 B Mid
246 Call signs in Korea 246 7 Start Low
247 Call signs in New Zealand 243 7 Start Low
248 Vibroplex 242 7 Stub Low
249 Call signs in India 239 7 Start Low
250 ICOM IC-7100 236 7 Stub Unknown
251 Electronics Australia 235 7 Stub Low
252 HamSphere 233 7 Start Low
253 Call signs in the Middle East 232 7 C Low
254 U.S. Military Telegraph Corps 230 7 B Low
255 Ladder line 228 7 NA Low
256 Junk box 227 7 Start Low
257 Swan Electronics 225 7 Start Low
258 Yaesu FT-1000MP 222 7 Start Low
259 5-meter band 220 7 Start Low
260 Paraset 218 7 Start Low
261 CW Skimmer 216 6 Stub Low
262 3Y0J Bouvet Island DXpedition 214 6 C Mid
263 National Radio Company 213 6 Stub Low
264 DX cluster 207 6 Start Low
265 73 (magazine) 205 6 Start Low
266 Harold Beverage 195 6 Start Low
267 AMTOR 193 6 Stub Low
268 Amateur radio license 192 6 NA NA
269 Saudi-OSCAR 50 189 6 Start Low
270 Sloper antenna 186 6 Stub Low
271 Improved Layer 2 Protocol 183 5 Stub Low
272 SPLAT! 180 5 Stub Mid
273 APRS Calling 180 5 Start Low
274 5-centimeter band 179 5 Stub Mid
275 Passive radiator 175 5 NA NA
276 Wide-coverage Internet Repeater Enhancement System 175 5 Stub Low
277 Hammarlund Super Pro 175 5 Start Low
278 Practical Wireless 173 5 Stub Low
279 Amateur radio licensing in China 172 5 Start Low
280 Call signs in Antarctica 162 5 Start Low
281 Fox-1B 156 5 Start Low
282 OSCAR 40 156 5 Start Low
283 Japan Amateur Radio League 155 5 Stub High
284 Ham Radio Deluxe 155 5 Stub Low
285 Radio Amateurs Emergency Network 155 5 Stub Low
286 DX Century Club 149 4 NA Low
287 Amateur radio licensing in Australia 141 4 Start Mid
288 SumbandilaSat 141 4 Start Low
289 High Frequency Internet Protocol 140 4 Stub Low
290 Wireless Ship Act of 1910 139 4 Stub Low
291 QEX 137 4 Stub Low
292 Varicode 132 4 Start Low
293 QRB 132 4 Disambig NA
294 Radio Amateurs of Canada 132 4 Stub Mid
295 Call signs in Europe 132 4 Start Low
296 South African Radio League 131 4 Start Mid
297 AMSAT-OSCAR 51 129 4 Start Low
298 Amateur Radio Lighthouse Society 127 4 Stub Low
299 Call signs in Mexico 126 4 C Low
300 Deutscher Amateur-Radio-Club 125 4 Stub High
301 Portable operation (amateur radio) 125 4 Stub Mid
302 Marshall D. Moran 122 3 Start Mid
303 Single operator two radios 122 3 Start Low
304 Salvation Army Team Emergency Radio Network 122 3 Stub Low
305 Kuwait Amateur Radio Society 121 3 Stub Mid
306 UoSAT-1 120 3 Stub Low
307 Signal/One 119 3 Stub Low
308 BLUEsat UNSW 119 3 Stub Low
309 List of DX-peditions 117 3 List Mid
310 Jamboree on the Air 114 3 Stub Mid
311 Contest logging software 114 3 Start Low
312 ICOM IC-905 113 3 Stub Unknown
313 Organisasi Amatir Radio Indonesia 111 3 Stub Mid
314 Amateur radio licence categories in India 111 3 Stub Mid
315 Starshine 3 109 3 Start Low
316 Frequency plan 107 3 NA Mid
317 UoSAT-2 106 3 Start Low
318 Popular Communications 106 3 Stub Low
319 Soviet–Canadian 1988 Polar Bridge Expedition 106 3 Start Low
320 KiwiSAT 105 3 Stub Low
321 Young Ladies Radio League 105 3 Start Low
322 FBB (software) 103 3 Stub Low
323 Airplane scatter 101 3 Start Mid
324 Submillimeter amateur radio 99 3 C Low
325 75A-4 and KWS-1 98 3 Unknown Unknown
326 Amateur radio bands 97 3 NA High
327 World Radiosport Team Championship 97 3 Start Mid
328 Radio Amateur Society of Thailand 95 3 Start High
329 Israel Amateur Radio Club 95 3 Stub Mid
330 CLOVER2000 94 3 Stub Low
331 Title 47 CFR Part 97 92 2 Start Mid
332 Tucson Amateur Packet Radio 91 2 Stub Low
333 Shuttle Amateur Radio Experiment 88 2 Start Mid
334 Call signs in Argentina 87 2 Start Low
335 Kenwood TS-820S 86 2 NA Low
336 Winmor 86 2 Start Low
337 National Contest Journal 86 2 Start Low
338 Rohn Industries 84 2 Stub Low
339 Heys Collection 84 2 Stub Low
340 $50SAT 83 2 Start Low
341 WorldRadio 81 2 Stub Low
342 CQ ham radio 81 2 Stub Low
343 Philippine Amateur Radio Association 79 2 Stub Mid
344 Beardslee Telegraph 79 2 Start Low
345 Hamfest India 78 2 Stub Low
346 Q15X25 76 2 Stub Low
347 Fox-1A 75 2 Start Low
348 Q codes 75 2 NA NA
349 Qatar Amateur Radio Society 75 2 Stub Mid
350 Call signs in Oceania 73 2 Start Low
351 Summits on the Air 72 2 NA Low
352 KP6PA Palmyra Atoll DXpedition 72 2 Stub Low
353 Fox-1D 72 2 Start Low
354 K.W. Electronics 72 2 Unknown Unknown
355 Ella Cheever Thayer 70 2 Start Low
356 BS7H Scarborough Reef DXpedition 69 2 Start Mid
357 UoSAT-12 69 2 Stub Low
358 Electronics Illustrated 68 2 Start Low
359 RFinder 68 2 Start Low
360 Chinese Radio Sports Association 64 2 Stub High
361 RadCom 64 2 Stub Low
362 Old Man (magazine) 63 2 Stub Low
363 Canwarn 63 2 Stub Low
364 Turbo Dispatch 62 2 Start Low
365 World Radio Laboratories 62 2 Stub Low
366 Spartan Packet Radio Experiment 61 1 Stub Low
367 Remote base station 60 1 Stub Low
368 Call signs in South America 59 1 Start Low
369 War Emergency Radio Service 58 1 Stub Low
370 Balloon Experiments with Amateur Radio 58 1 Start Low
371 Funkamateur 57 1 Stub Low
372 Unión de Radioaficionados Españoles 57 1 Stub High
373 British Amateur Television Club 56 1 Stub Low
374 Pakistan Amateur Radio Society 56 1 Stub Mid
375 Relay league 54 1 Stub Low
376 Fox-1Cliff 53 1 Start Low
377 Five Nine 53 1 Stub Low
378 Amateur Radio Emergency Communications 52 1 Start Low
379 International Amateur Radio Club 50 1 Stub Low
380 Polski Związek Krótkofalowców 49 1 Stub High
381 British DX Club 48 1 Start Low
382 Worked All Zones 48 1 NA Low
383 Swedish Voluntary Radio Organization 48 1 Stub Low
384 PANSAT 47 1 Start Low
385 CUTE-1.7 + APD 47 1 Stub Low
386 Kenwood TS-2000 47 1 NA Low
387 Call signs in Barbados 46 1 Start Low
388 Mumbai Amateur Radio Society 46 1 Start Low
389 Irish Radio Transmitters Society 46 1 Start High
390 Swedish Society of Radio Amateurs 46 1 Stub High
391 K9YA Telegraph 45 1 Stub Low
392 Liga de Amadores Brasileiros de Rádio Emissão 45 1 Stub High
393 First Class CW Operators' Club 45 1 Stub Low
394 Association Royale des Radio Amateurs du Maroc 44 1 Stub Mid
395 Amateur auxiliary 43 1 Start Low
396 Winradio 43 1 Stub Low
397 Korean Amateur Radio League 43 1 Stub Mid
398 Norsk Radio Relæ Liga 43 1 Start Mid
399 Radio Club de Chile 43 1 Stub Mid
400 Weber-OSCAR 18 43 1 Start Low
401 Radio Club de Costa Rica 42 1 Stub Mid
402 Federacion de Radioaficionados de Cuba 42 1 Stub Mid
403 Q signal 41 1 NA NA
404 Amateur Station Operator's Certificate 41 1 NA Mid
405 Wireless Institute of Queensland 41 1 Start Low
406 Belarusian Federation of Radioamateurs and Radiosportsmen 41 1 Stub Mid
407 Amateur Radio Society of India 41 1 Start Mid
408 Association of Radio Amateurs of Slovenia 41 1 Stub Mid
409 Contesting controversies 40 1 Start Low
410 Worked All Continents 40 1 NA Low
411 Mbanna Kantako 40 1 Start Low
412 Radio Club Argentino 40 1 Stub High
413 CQ VHF Magazine 40 1 Stub Low
414 Magnetic loop 40 1 NA Mid
415 FO0XB Clipperton Island DXpedition 40 1 Stub Low
416 UoSAT-3 39 1 Stub Low
417 Radio Amateur Association of Greece 38 1 Start Low
418 Asocijacija radioamatera u Bosni i Hercegovini 38 1 Stub Mid
419 Experimenterende Danske Radioamatører 38 1 Stub Mid
420 Quarter Century Wireless Association 37 1 Stub Low
421 Amateur Radio Association of Bahrain 37 1 Stub Mid
422 Volunteer Examiner Coordinator 37 1 Stub Low
423 New Zealand Association of Radio Transmitters 37 1 Start Mid
424 Vanity call sign 37 1 NA Low
425 Associazione Radioamatori Italiani 37 1 Stub Mid
426 Ukrainian Amateur Radio League 35 1 Stub High
427 EQSO 35 1 NA NA
428 Special event station 35 1 Start Low
429 Malta Amateur Radio League 34 1 Start Mid
430 Liga Colombiana de Radioaficionados 34 1 Stub Mid
431 Slovenský Zväz Rádioamatérov 34 1 Stub High
432 Fox Oring 34 1 Start Low
433 Union of Swiss Short Wave Amateurs 33 1 Stub High
434 Tampere Convention 33 1 Start Low
435 Worked All States 32 1 NA Low
436 Savez Radio-Amatera Srbije 32 1 Stub Mid
437 Radio Club Peruano 31 1 Stub Mid
438 Federația Română de Radioamatorism 31 1 Start High
439 Indian Wireless Telegraph (Amateur Service) Rules, 1978 31 1 Stub Mid
440 HamSCI 30 0 Stub Low
441 PSAT-2 29 0 Stub Low
442 OZ7IGY 28 0 Stub Low
443 UoSAT-4 28 0 Stub Low
444 Amateur radio call signs of the United Kingdom 28 0 NA Low
445 Réseau des Émetteurs Français 27 0 Stub High
446 Len Jarrett 27 0 Start Low
447 Radio Orienteering in a Compact Area 27 0 Stub Low
448 Hong Kong Amateur Radio Transmitting Society 27 0 Stub High
449 Guides on the Air 27 0 Stub Low
450 3Y5X Bouvet Island DXpedition 27 0 Stub Mid
451 Radio Club Venezolano 27 0 Stub Mid
452 Federacion Mexicana de Radio Experimentadores 26 0 Stub High
453 Radio Club Paraguayo 26 0 Stub Mid
454 Bangladesh Amateur Radio League 26 0 Stub Mid
455 Trinidad and Tobago Amateur Radio Society 25 0 Start Mid
456 Amateur radio call signs of Antarctica 24 0 NA Low
457 Friendship Radiosport Games 24 0 Start Low
458 Mongolian Amateur Radio Society 23 0 Stub Mid
459 Emirates Amateur Radio Society 23 0 Stub Mid
460 Royal Naval Amateur Radio Society 23 0 Stub Low
461 Croatian Amateur Radio Association 22 0 Stub Mid
462 Íslenskir Radíóamatörar 22 0 Stub Mid
463 Macau Amateur Radio Society 22 0 Stub High
464 BRICSat-2 21 0 Start Low
465 Ak-Sar-Ben Amateur Radio Club 21 0 Start Low
466 Rede dos Emissores Portugueses 21 0 Stub Mid
467 The Canadian Amateur 21 0 Stub Low
468 Aruba Amateur Radio Club 20 0 Stub Mid
469 Orbiting Picosat Automatic Launcher 20 0 Start Low
470 UoSAT-5 20 0 Stub Low
471 Mongolian Radio Sport Federation 20 0 Stub Mid
472 Simulated Emergency Test 19 0 Stub Low
473 Singapore Amateur Radio Transmitting Society 19 0 Stub High
474 Global Amateur Radio Emergency Communications Conference 19 0 Stub Low
475 Amateurs Radio Algeriens 18 0 Stub Mid
476 Lesotho Amateur Radio Society 18 0 Stub Mid
477 Leslie R. Mitchell 18 0 C Low
478 Parallel Logic Radio Interface 18 0 Start Low
479 Radio Society of Sri Lanka 18 0 Stub Mid
480 RIGblaster Nomic 18 0 Stub Low
481 SEDSAT-1 18 0 Start Low
482 Radioamaterski Sojuz na Makedonija 17 0 Stub Mid
483 QRO 17 0 NA NA
484 Skip (radio) 17 0 NA Low
485 Chinese Taipei Amateur Radio League 16 0 Stub Low
486 Suomen Radioamatööriliitto 16 0 Stub High
487 Syrian Scientific Technical Amateur Radio Society 16 0 Stub Mid
488 CQ DL 16 0 Stub Low
489 Iraqi Amateur Radio Society 16 0 Stub Mid
490 List of HSMM nodes 15 0 List Low
491 Unió de Radioaficionats Andorrans 15 0 Stub Mid
492 Österreichischer Versuchssenderverband 15 0 Stub High
493 Latvijas Radio Amatieru Līga 15 0 Stub Mid
494 Malaysian Amateur Radio Transmitters' Society 14 0 Stub High
495 Bulgarian Federation of Radio Amateurs 14 0 Stub Mid
496 Kazakhstan Federation of Radiosport and Radio Amateur 14 0 Stub Mid
497 Club de Radioaficionados de Guatemala 14 0 Stub Mid
498 Réseau Luxembourgeois des Amateurs d'Ondes Courtes 13 0 Stub High
499 National Institute of Amateur Radio 12 0 Stub Low
500 Texas DX Society 11 0 Start Low
501 Royal Union of Belgian Radio Amateurs 11 0 Stub Mid
502 Dalton Pritchard 11 0 Start Low
503 Qro 11 0 NA NA
504 Associacao de Radioamadores da Linha de Cascais 10 0 Start Low
505 Qrc 10 0 Disambig NA
506 JNA Wireless Association 10 0 Start Low
507 Manly-Warringah Radio Society 9 0 Start Mid
508 Club de Radio Aficionados de El Salvador 9 0 Stub Mid
509 SK7MQ 9 0 Stub Low
510 Radio ZS 9 0 NA Low
511 ARRL International Humanitarian Award 9 0 Stub Mid
512 Northwest Amateur Radio Society 8 0 Start Low
513 Liga Panameña de Radioaficionados 8 0 Stub Mid
514 South Jersey Radio Association 8 0 Start Low
515 Qra 8 0 NA NA
516 Nordic Radio Amateur Union 8 0 Stub Low
517 Radio Club de Honduras 7 0 Stub Mid
518 Official Observer Coordinator 7 0 NA Low
519 Islands on the air 7 0 NA Low
520 QRZ 7 0 NA NA
521 Contesting technology 7 0 Start Low
522 Asociația Radioamatorilor din Moldova 7 0 Stub Mid
523 Club de Radioexperimentadores de Nicaragua 7 0 Stub Mid
524 Turkish Amateur Radio Association 6 0 NA NA
525 LX National QSL Bureau 6 0 Stub Low
526 VHF/UHF Century Club 6 0 NA Low
527 Radio Club Uruguayo 5 0 Stub Mid
528 Ham net 5 0 NA NA
529 Yaesu FT-221 5 0 NA Low
530 Estonian Radio Amateurs' Union 5 0 Stub Mid
531 QRN 5 0 NA NA
532 PCSat2 4 0 Stub Low
533 Telsiz ve Radyo Amatörleri Cemiyeti 4 0 NA Mid
534 LI2B 4 0 NA Low
535 Mauritius Amateur Radio Society 4 0 Stub Mid
536 Hy-Gain Antennas and Rotators 4 0 NA Low
537 Radar Fence Transponder 3 0 Start Low
538 Official Observer 3 0 NA NA
539 Antenna height above average terrain 3 0 NA Low
540 Q signals 2 0 NA NA
541 Replexer 2 0 NA Mid
542 QNB (amateur radio) 1 0 NA NA
543 Q Codes 0 0 NA NA
544 Amateur radio call signs of Africa 0 0 NA NA
545 Call signs in South Africa 0 0 NA NA
546 Q Code 0 0 NA NA
547 Q-signal 0 0 NA NA
548 Section traffic manager 0 0 NA Low
549 Section emergency coordinator 0 0 NA Low
550 Amateur radio call signs of Ireland 0 0 NA Low
551 Amateur radio call signs of Oceania 0 0 NA Low
552 2200m band 0 0 NA NA
553 QNB:Amateur Radio 0 0 NA NA
554 Call signs in Pakistan 0 0 NA Low
555 Call signs in Ireland 0 0 NA Low
Category