AI was used to verify live links and the icons are as follows verified live as of 10th September 2026 (✅), a known-live site that rejected automated fetching (⚠️), or a well-established canonical URL.
Organizations & databases
ARRL — https://www.arrl.org ✅
RSGB Portal — https://rsgb.org ✅
eHam — http://www.eham.net ✅
eQSL — https://www.eqsl.cc ✅
Club Log — https://clublog.org ✅
Ofcom licence info — https://www.ofcom.org.uk
BATC — https://batc.org.uk
Propagation, DX & clusters
9. VOACAP — https://www.voacap.com ✅
10. VOACAP Online — https://www.voacap.com/hf/
11. DXWatch — https://www.dxwatch.com ✅
12. Reverse Beacon Network — https://reversebeacon.net
13. DX Keeper — https://www.dxlabsuite.com/dxkeeper/
14. HF DX propagation (dxview) — https://hf.dxview.org
15. VHF propagation (dxview) — https://vhf.dxview.org
16. Real-Time MUF Map — https://prop.kc2g.com
17. Tropospheric Ducting Forecast — https://dxinfocentre.com/tropo.html
18. WSPRnet — https://wsprnet.org ⚠️
19. WebSDR.org — http://websdr.org ⚠️
20. Twente WebSDR — http://websdr.ewi.utwente.nl:8901
21. NCDXF Beacons — https://www.ncdxf.org/beacons/
22. Band Conditions — https://bandconditions.com
23. Met Office Space Weather — https://www.metoffice.gov.uk/services/transport/aviation/regulated/space-weather
24. SolarHam — https://www.solarham.net
25. NOAA Space Weather — https://www.swpc.noaa.gov
26. PSKReporter — https://pskreporter.info
POTA / SOTA / WWFF
27. Parks on the Air — https://parksontheair.com ✅
28. Fieldspotter — https://fieldspotter.org
29. Ham2K Portable Logger — https://ham2k.com
30. SOTA — https://www.sota.org.uk ⚠️
31. WWFF — https://wwff.co ✅
32. IOTA maps — https://www.iotamaps.org
Logging
33. Log4OM — https://www.log4om.com ✅
34. Logger32 — https://www.logger32.net
35. Cloudlog — https://www.cloudlog.org
36. DX Keeper — https://www.dxlabsuite.com/dxkeeper
Antenna modelling & calculators
37. 4nec2 — https://www.qsl.net/4nec2
38. EZNEC — https://www.eznec.com
39. MMANA-GAL — https://gal-ana.de/basicmm/en
40. openEMS — https://openems.de
41. Falstad Circuit Simulator — http://falstad.com/circuit
42. LTspice — https://www.analog.com/en/resources/design-tools-and-calculators/ltspice-simulator.html
43. Coil32 inductance calculator — https://coil32.net
44. 66pacific calculators — https://www.66pacific.com/calculators
PCB & electronics
45. KiCad — https://www.kicad.org
46. JLCPCB — https://jlcpcb.com ✅
47. PCBWay — https://www.pcbway.com
48. Rapid Electronics — https://www.rapidonline.com ✅
49. RS Components — https://uk.rs-online.com ✅
Astronomy, tracking & weather
50. Heavens-Above — https://www.heavens-above.com ✅
51. Flightradar24 — https://www.flightradar24.com
52. MarineTraffic — https://www.marinetraffic.com
53. Windy — https://www.windy.com
54. BBC Weather — https://www.bbc.co.uk/weather
55. Orbit.ing-now — https://orbit.ing-now.com
Morse & modes
56. G4FON Koch Trainer — http://www.g4fon.net
57. FISTS — https://fistsna.org
58. NAQCC EU — https://naqcc-eu.org
59. Signal ID Wiki — https://www.sigidwiki.com
UK clubs, nets & regulators
60. Camb-Hams — https://www.camb-hams.com
61. GQRP — http://www.gqrp.com
62. UK Six Metre Group — https://www.uksmg.org
63. ARCEP (France) — https://www.arcep.fr
64. RNARS — https://www.rnars.org.uk
65. RAFARS — https://www.rafars.org
66. RSARS — https://www.rsars.org.uk
Retail
67. ML&S Martin Lynch — https://hamradio.co.uk ✅
68. Radioworld UK — https://www.radioworld.co.uk ✅
69. Amazon UK — https://www.amazon.co.uk
70. eBay UK — https://www.ebay.co.uk
Reference & misc
71. SolderSmoke — http://www.soldersmoke.blogspot.com ✅
72. Project Gutenberg — https://www.gutenberg.org
73. KiwiSDR map — http://rx.kiwisdr.com
74. Sherwood Engineering — https://www.sherweng.com
75. what3words — https://what3words.com
76. Twente WebSDR — http://websdr.ewi.utwente.nl:8901
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