IQ Signals
HF Propagation
Solar-Terrestrial Data: hamqsl.com N0NBH
Grid Square Locator Map ____________ Enter Callsign QRZ.com
Callsigns Database ____________ Find A Ham FindTheData
Editors Choice
1. AA9PW Online study guide for ham radio enthusiasts.
2. AI4UK Frequencies, weather maps, and more.
3. AMSAT Amateur Radio In Space.
4. APRS Finder Locate hams on D-Star using APRS.
5. AR Newsline Weekly newscast of Amateur Radio.
6. ARRL American Radio Relay League News.
7. Broadcastify Listen to live feeds.
8. CHIRP A free, open-source tool for programming.
9. Cobra Antenna The Mysterious Cobra.
10. DDutil A Data Decoding Utility for Flex Radios.
11. DigiKey Electronics Electronics Components Distributor.
12. D-Star Users Watch for the most current users.
13. DVAP DV Access Point Dongle.
14. DV Dongle Connect to the international D-Star!
15. DXLab A freeware suite.
16. DX News Amateur Radio News.
17. EchoLink EchoLink Link Status.
18. eHam Reviews Reviews of products and services.
19. ESSB Hi-Fi Audio For The Radio Amateur Radio Experimenter.
20. FCC Frequency Band Plan Here’s a basic frequency list.
21. FCC License Search Advanced license search.
22. FreeDV Digital Voice for HF.
23. Frequency Allocations Frequency Allocations.
24. Full Wave Loop Calculator for matching stub.
25. GF4ON Here is a great CW trainer program. Free!
26. GCElectronics Electrical and Electronics Distribution Industry.
27. Half Square Antenna Half Square and Bobtail Curtain.
28. HDSDR Software High Definition Software Defined Radio.
29. Heavens-Above Satellites, astronomy, and more.
30. Heil’s Tips Quality products from a pro.
31. HTX-202 Programming repeaters.
32. Icom HM-133 Fix This may be the fix.
33. ICOM V8000 Programming memory channels.
34. I-Link Boards Interfaces work with Echolink and others.
35. International Callsign Prefixes Callsign Prefixes by country.
36. IRLP The Internet Radio Linking Project.
37. ISS Tracker Live real time satellite tracking and predictions.
38. ITU Region Maps ITU maps of regions 1, 2, and 3.
39. Jonathan’s Space Report The Space Report.
40. K1IW Amateur Repeater Search.
41. K2DSL Callsign Map Search. Just enter the callsign.
42. KB6NU Study Guides for Technician and General Class.
43. Kenwood 590 EQ settings for this radio.
44. KIO HexBeam Up to Six bands fed by a single coax.
45. LakesOfTheNorth WebCam.
46. Maritime Mobile Net Operating on 14.300 MHz.
47. Mouser Mouser Electronics.
48. Newark Electronic component distributor.
49. Onlinecomponents Electronic components.
50. Pacific Maritime Net Frequency is 21.412 mhz.
51. Phased Verticals Phased Verticals on 40 Meters by N4JTE.
52. QTH.com Ham radio classified ads.
53. RadioQTH Available calls.
54. RadioReference Scanner frequencies.
55. Receiver Data By Sherwood Engineering, Inc.
56. SignaLink Signalink USB interface.
57. Sixty Meter Frequencies 60 meter frequency list.
58. Sky&Telescope The Essential Guide To Astronomy.
59. Southgate Amateur Radio News.
60. Spaceflight Now The source for online space news.
61. Space News Professionals turn to first for the news.
62. Space Weather News about the Sun-Earth environment.
63. TheRainReport Radio Amateur Information Network.
64. Toroid calculator Dimensions.
65. TrueLadderLine Classic Open Fed 600 Ohm Ladder Line.
66. Understanding Antennas For the non-technical ham. By N4JA.
67. US Callsign Prefixes Amateur Prefixes.
68. Vee Beam The 3 Half Wave Vee Beam.
69. Vertical Dipole 10 – 20 Meter Vertical Dipole.
70. Voodoo Audio Join the Voodoo Audio Crew.
71. W2IHY Affordable audio technology for amateur radio.
72. WD2XSH THE 600 METER GROUP.
73. WAS Region Map ARRL WAS Map with call sign numbers.
74. Weatherzone VK Weather.
75. West Mountain Radio Interfaces and other products.
76. Winlink A worldwide radio messaging system.
77. Wire Antennas Wire Antennas for Ham Radio.
78. Worldwide HamCall Callsign database.
International Q Signals
| QRA | What is the name of your station? |
| QRG | What’s my exact frequency? |
| QRH | Does my frequency vary? |
| QRI | How is my tone? (1-3) |
| QRK | What is my signal intelligibility? (1-5) |
| QRL | Are you busy? |
| QRM | Is my transmission being interfered with? |
| QRN | Are you troubled by static? |
| QRO | Shall I increase transmitter power? |
| QRP | Shall I decrease transmitter power? |
| QRQ | Shall I send faster? |
| QRS | Shall I send slower? |
| QRT | Shall I stop sending? |
| QRU | Have you anything for me? (Answer in negative) |
| QRV | Are you ready? |
| QRW | Shall I tell ……. you’re calling him? |
| QRX | When will you call again? |
| QRZ | Who is calling me? |
| QSA | What is my signal strength? (1-5) |
| QSB | Are my signals fading? |
| QSD | Is my keying defective? |
| QSG | Shall I send ……. messages at a time? |
| QSK | Can you work breakin? |
| QSL | Can you acknowledge receipt? |
| QSM | Shall I repeat the last message sent? |
| QSO | Can you communicate with ……. direct? |
| QSP | Will you relay to …….? |
| QSV | Shall I send a series of V’s? |
| QSW | Will you transmit on …….? |
| QSX | Will you listen for ……. on …….? |
| QSY | Shall I change frequency? |
| QSZ | Shall I send each word / group more than once? (Answer, send twice or) |
| QTA | Shall I cancel number …….? |
| QTB | Do you agree with my word count? (Answer negative) |
| QTC | How many messages have you to send? |
| QTH | What is your location? |
| QTR | What is your time? |
| QTV | Shall I stand guard for you …….? |
| QTX | Will you keep your station open for further communication with me? |
| QUA | Have you news of …….? |
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