Table of SDR Receivers

Displaying 401 - 450 of 1394
Title Band Country City QTH Sort descending Type
401 F4HUX VHF UHF ANGERS FRANCE VHF, UHF
  1. 118.976–121.024 MHz
  2. 122.876–124.924 MHz
  3. 132.976–135.024 MHz
  4. 135.976–138.024 MHz
  5. 143.976–146.024 MHz
  6. 399.976–402.024 MHz
  7. 402.176–404.224 MHz
  8. 429.800–432.200 MHz
  9. 431.800–434.200 MHz
  10. 433.800–436.200 MHz
  11. 435.800–438.200 MHz
  12. 437.700–440.300 MHz
  13. 465.976–468.024 MHz
  14. 466.800–469.200 MHz
  15. 868.426–870.474 MHz
France Soulaire-et-Bourg IN97rn OpenWebRX
402 EI6IZ_v2 | Castlebar, Co Mayo, Irelnad VLF, LF, MF, HF
  1. 0.000–30.000 MHz
Ireland Castlebar IO53hu KiwiSDR
403 0-30 MHz SDR | Castlebar, Co Mayo, Ireland VLF, LF, MF, HF
  1. 0.000–30.000 MHz
Ireland Castlebar IO53hu KiwiSDR
404 Ireland North West.....Ireland VLF, LF, MF, HF
  1. 0.000–30.000 MHz
Ireland Crossmolina IO54if KiwiSDR
405 emeraldsdr1 | Carlow, Ireland VLF, LF, MF, HF
  1. 0.000–30.000 MHz
Ireland Castledermot IO62nu KiwiSDR
406 emeraldsdr | Carlow, Ireland VLF, LF, MF, HF
  1. 0.000–30.000 MHz
Ireland Castledermot IO62nu KiwiSDR
407 EI0CF Finbar O'Connor | Malin, County Donegal, Ireland VLF, LF, MF, HF
  1. 0.000–30.000 MHz
Ireland Carndonagh IO65ig KiwiSDR
408 0-30 MHz SDR 2 | St Just in Penwith, Cornwall, England VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom St Just IO70dc KiwiSDR
409 0-30 MHz SDR | St Just in Penwith, Cornwall, England VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom St Just IO70dc KiwiSDR
410 AMSAT-UK VHF Goonhilly WebSDR VHF, UHF
  1. 143.976–146.024 MHz
  2. 435.000–437.880 MHz
  3. 1 295.980–1 298.020 MHz
  4. 2 319.990–2 321.010 MHz
United Kingdom Mullion IO70jb WebSDR
411 Kernow - G8JNJ - SW UK VLF, LF, MF, HF, VHF
  1. 0.010–32.000 MHz
United Kingdom Mullion IO70jb KiwiSDR
412 AMSAT-UK VHF Goonhilly WebSDR VHF, UHF
  1. 143.976–146.024 MHz
  2. 435.000–437.880 MHz
  3. 1 295.976–1 298.024 MHz
  4. 2 319.988–2 321.012 MHz
United Kingdom Mullion IO70jb WebSDR
413 BATC & AMSAT-UK QO-100 (Es'Hail-2) Geostationary Satellite WebSDR SHF
  1. 10 489.500–10 490.000 MHz
United Kingdom Mullion IO70jb WebSDR
414 0-30 MHz SDR, G3XOU | Tavistock, Devon, UK VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Bere Alston IO70wm KiwiSDR
415 0-30 MHz SDR, GM8XBZ in W Scotland VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Port Bannatyne IO75jv KiwiSDR
416 0-30 MHz SDR, IO77vq, UK VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Alness IO77vq KiwiSDR
417 Luke's Radio MF, HF, VHF, UHF
  1. 0.700–3.100 MHz
  2. 2.500–4.900 MHz
  3. 3.542–5.942 MHz
  4. 3.800–6.200 MHz
  5. 5.900–8.300 MHz
  6. 6.800–9.200 MHz
  7. 8.800–11.200 MHz
  8. 10.005–12.405 MHz
  9. 12.057–14.457 MHz
  10. 13.300–15.700 MHz
  11. 19.800–22.200 MHz
  12. 25.800–28.200 MHz
  13. 27.300–29.700 MHz
  14. 49.800–52.200 MHz
  15. 85.138–87.538 MHz
  16. 117.800–120.200 MHz
  17. 118.130–120.530 MHz
  18. 126.800–129.200 MHz
  19. 134.800–137.200 MHz
  20. 137.800–140.200 MHz
  21. 142.800–145.200 MHz
  22. 143.976–146.024 MHz
  23. 151.800–154.200 MHz
  24. 171.850–174.250 MHz
  25. 431.800–434.200 MHz
  26. 436.800–439.200 MHz
  27. 437.600–440.000 MHz
  28. 445.800–448.200 MHz
  29. 448.200–450.600 MHz
  30. 457.588–459.988 MHz
  31. 1 088.800–1 091.200 MHz
United Kingdom Whimple IO80hs OpenWebRX
418 Wessex KiWi V1 - G8JNJ - 0-30MHz - South West UK VLF, LF, MF, HF
  1. 0.020–30.000 MHz
United Kingdom Maiden Newton IO80qr KiwiSDR
419 Wessex WebSDR - South West UK covering 8m, 6m, 4m, 2m, 70cm & 3cm VHF, UHF, SHF
  1. 39.476–41.524 MHz
  2. 49.961–52.009 MHz
  3. 69.976–72.024 MHz
  4. 143.976–146.024 MHz
  5. 431.976–434.024 MHz
  6. 433.976–436.024 MHz
  7. 10 368.000–10 370.000 MHz
United Kingdom Maiden Newton IO80qr WebSDR
420 Wessex KiWi V2 - G8JNJ - 0-30MHz - South West UK VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Maiden Newton IO80qr KiwiSDR
421 G7OGG VHF, UHF
  1. 70.000–70.500 MHz
  2. 144.000–146.000 MHz
  3. 432.000–438.000 MHz
United Kingdom West Coker IO80qw OpenWebRX
422 Wessex - G8JNJ - 0-62MHz - South West UK VLF, LF, MF, HF, VHF
  1. 0.010–62.000 MHz
United Kingdom Charminster IO80st KiwiSDR
423 Wessex Flydog - G8JNJ - 0-62MHz - South West UK VLF, LF, MF, HF, VHF
  1. 0.020–62.000 MHz
United Kingdom Charminster IO80st KiwiSDR
424 WessexWX [M7WWX] VLF, LF, MF, HF, VHF, UHF
  1. -0.040–0.344 MHz
  2. 0.208–0.592 MHz
  3. 0.432–1.200 MHz
  4. 0.917–1.685 MHz
  5. 1.718–2.102 MHz
  6. 2.014–2.782 MHz
  7. 2.808–3.192 MHz
  8. 3.108–3.492 MHz
  9. 3.354–3.546 MHz
  10. 3.458–3.842 MHz
  11. 3.854–4.046 MHz
  12. 4.224–4.992 MHz
  13. 4.604–4.796 MHz
  14. 4.681–5.065 MHz
  15. 5.237–5.429 MHz
  16. 5.418–5.802 MHz
  17. 5.858–6.242 MHz
  18. 6.458–6.842 MHz
  19. 6.908–7.292 MHz
  20. 7.138–7.522 MHz
  21. 7.494–8.262 MHz
  22. 8.738–9.122 MHz
  23. 9.266–10.034 MHz
  24. 9.954–10.146 MHz
  25. 10.034–10.226 MHz
  26. 11.098–11.482 MHz
  27. 11.466–12.234 MHz
  28. 13.184–13.376 MHz
  29. 13.528–13.912 MHz
  30. 13.983–14.367 MHz
  31. 14.954–15.146 MHz
  32. 15.066–15.834 MHz
  33. 17.306–18.074 MHz
  34. 17.864–18.056 MHz
  35. 18.024–18.216 MHz
  36. 20.846–21.614 MHz
  37. 21.834–22.026 MHz
  38. 23.174–23.366 MHz
  39. 24.844–25.036 MHz
  40. 27.599–27.983 MHz
  41. 27.916–28.684 MHz
  42. 28.516–29.284 MHz
  43. 29.066–29.834 MHz
  44. 87.400–90.600 MHz
  45. 90.000–93.200 MHz
  46. 92.700–95.900 MHz
  47. 95.500–98.700 MHz
  48. 97.700–100.900 MHz
  49. 100.100–103.300 MHz
  50. 102.600–105.800 MHz
  51. 105.100–108.300 MHz
  52. 136.345–137.305 MHz
  53. 136.700–138.300 MHz
  54. 143.750–146.250 MHz
  55. 152.200–153.800 MHz
  56. 161.904–162.096 MHz
  57. 217.616–219.664 MHz
  58. 221.040–223.088 MHz
  59. 224.624–226.672 MHz
  60. 254.750–256.350 MHz
  61. 402.400–405.600 MHz
  62. 404.400–407.600 MHz
  63. 429.900–433.100 MHz
  64. 432.900–436.100 MHz
  65. 433.440–434.400 MHz
  66. 436.400–439.600 MHz
  67. 1 088.400–1 091.600 MHz
United Kingdom Lytchett Matravers IO80xt OpenWebRX
425 North Bridgend SDR 0-30MHz VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Aberkenfig IO81em KiwiSDR
426 0-30 MHz SDR, South Wales, UK | Merthyr Tydfil VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Abercanaid IO81hr KiwiSDR
427 0-30 MHz SDR, MW0MUT, UK VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom New Inn IO81lq KiwiSDR
428 G4SZM, 0-30 MHz Kiwi 1 of 8, Weston-super-Mare, 80m Dipole with 12:1 balun for… VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Bleadon IO81mh KiwiSDR
429 G4SZM, 0-30 MHz Kiwi 7 of 8, Weston-super-Mare, 80m Dipole with 12:1 balun for… VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Bleadon IO81mh KiwiSDR
430 G4SZM, 0-30 MHz Kiwi 2 of 8, Weston-super-Mare, 80m Dipole with 12:1 balun for… VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Bleadon IO81mh KiwiSDR
431 G4SZM, 0-30 MHz Kiwi 3 of 8, Weston-super-Mare, 80m Dipole with 12:1 balun for… VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Bleadon IO81mh KiwiSDR
432 G4SZM, 0-30 MHz Kiwi 4 of 8, Weston-super-Mare, 80m Dipole with 12:1 balun for… VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Bleadon IO81mh KiwiSDR
433 G4SZM, 0-30 MHz Kiwi 5 of 8, Weston-super-Mare, 80m Dipole with 12:1 balun for… VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Bleadon IO81mh KiwiSDR
434 G4SZM, 0-30 MHz Kiwi 6 of 8, Weston-super-Mare, 80m Dipole with 12:1 balun for… VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Bleadon IO81mh KiwiSDR
435 Shirehampton Amateur Radio Club, Bristol VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Easton-in-Gordano IO81pl KiwiSDR
436 G3SDH. 0-30 MHz KiwiSDR. Wellbrook Loop. | Near Bristol, UK VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Bishop Sutton IO81qh KiwiSDR
437 G3SDH. 0-30 MHz KiwiSDR. 80M Doublet at 9 Metres AGL | Near Bristol, UK VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Bishop Sutton IO81qh KiwiSDR
438 KiwiSDR-MW | Powys, Wales VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Mochdre IO82gn KiwiSDR
439 MW0LKX ----Antenna Diamond X510, 2x Nooelec NESDR SMArt, RTL-SDR, SDRplay RSP2 f… VLF, LF, MF, HF, VHF, UHF
  1. -0.300–0.700 MHz
  2. 0.500–1.500 MHz
  3. 1.400–2.400 MHz
  4. 1.850–2.850 MHz
  5. 2.600–3.600 MHz
  6. 3.100–4.100 MHz
  7. 3.450–4.450 MHz
  8. 4.000–5.000 MHz
  9. 4.500–6.500 MHz
  10. 4.940–5.940 MHz
  11. 6.100–8.100 MHz
  12. 6.600–7.600 MHz
  13. 8.000–10.000 MHz
  14. 9.625–10.625 MHz
  15. 10.200–12.200 MHz
  16. 12.000–14.000 MHz
  17. 13.650–14.650 MHz
  18. 14.300–16.300 MHz
  19. 16.000–18.000 MHz
  20. 17.800–18.800 MHz
  21. 20.700–21.700 MHz
  22. 21.100–22.100 MHz
  23. 24.400–25.400 MHz
  24. 25.350–26.350 MHz
  25. 26.500–27.500 MHz
  26. 27.300–28.300 MHz
  27. 28.000–29.000 MHz
  28. 28.900–29.900 MHz
  29. 49.700–50.700 MHz
  30. 49.800–52.200 MHz
  31. 69.000–71.400 MHz
  32. 105.900–108.700 MHz
  33. 116.800–119.200 MHz
  34. 118.800–121.200 MHz
  35. 120.800–123.200 MHz
  36. 122.800–125.200 MHz
  37. 124.800–127.200 MHz
  38. 126.700–129.100 MHz
  39. 128.800–131.200 MHz
  40. 130.800–133.200 MHz
  41. 132.800–135.200 MHz
  42. 134.800–137.200 MHz
  43. 136.300–138.700 MHz
  44. 143.976–146.024 MHz
  45. 146.000–148.000 MHz
  46. 151.800–154.200 MHz
  47. 155.800–158.200 MHz
  48. 158.800–161.200 MHz
  49. 160.800–163.200 MHz
  50. 162.800–165.200 MHz
  51. 164.800–167.200 MHz
  52. 166.800–169.200 MHz
  53. 173.900–176.300 MHz
  54. 182.200–184.600 MHz
  55. 203.616–205.664 MHz
  56. 212.336–214.384 MHz
  57. 215.904–217.952 MHz
  58. 217.616–219.664 MHz
  59. 219.328–221.376 MHz
  60. 221.040–223.088 MHz
  61. 222.906–224.954 MHz
  62. 224.624–226.672 MHz
  63. 228.048–230.096 MHz
  64. 242.976–245.024 MHz
  65. 255.300–257.700 MHz
  66. 417.350–419.750 MHz
  67. 429.800–432.200 MHz
  68. 431.700–432.900 MHz
  69. 431.900–434.300 MHz
  70. 437.200–438.400 MHz
  71. 437.800–440.200 MHz
  72. 440.000–442.400 MHz
  73. 445.600–446.600 MHz
  74. 447.800–450.200 MHz
  75. 449.800–452.200 MHz
  76. 451.800–454.200 MHz
  77. 453.700–456.100 MHz
  78. 456.300–458.700 MHz
  79. 457.800–460.200 MHz
  80. 459.800–462.200 MHz
  81. 461.800–464.200 MHz
  82. 463.800–466.200 MHz
  83. 465.800–468.200 MHz
  84. 482.300–484.700 MHz
  85. 862.800–865.200 MHz
  86. 867.800–870.200 MHz
  87. 1 088.700–1 091.300 MHz
  88. 1 294.800–1 297.200 MHz
United Kingdom Knighton IO82li OpenWebRX
440 2E0YRT OWRX No.1 VHF, UHF
  1. 118.000–121.000 MHz
  2. 131.200–134.200 MHz
  3. 134.250–137.250 MHz
  4. 143.500–146.500 MHz
  5. 151.300–154.300 MHz
  6. 429.600–432.600 MHz
  7. 432.500–435.500 MHz
  8. 437.000–440.000 MHz
United Kingdom Wacton IO82qh OpenWebRX
441 0-30 MHz SDR, | Woofferton VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Ludlow IO82qh KiwiSDR
442 Kiwi SDR in North Shropshire UK VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Prees IO82qv KiwiSDR
443 2E0YYB VHF, UHF
  1. 143.750–146.250 MHz
  2. 151.000–155.000 MHz
  3. 431.800–434.200 MHz
  4. 445.850–446.350 MHz
  5. 1 088.500–1 091.500 MHz
United Kingdom Madeley IO82sp OpenWebRX
444 M3KXB HF, VHF, UHF
  1. 23.300–25.700 MHz
  2. 26.355–28.755 MHz
  3. 135.775–138.175 MHz
  4. 143.976–146.024 MHz
  5. 152.150–154.550 MHz
  6. 176.000–178.000 MHz
  7. 181.800–184.200 MHz
  8. 431.800–434.200 MHz
  9. 437.600–440.000 MHz
  10. 438.750–441.250 MHz
  11. 440.800–443.200 MHz
  12. 444.800–447.200 MHz
  13. 451.800–454.200 MHz
  14. 453.800–456.200 MHz
  15. 454.800–457.200 MHz
  16. 456.800–459.200 MHz
  17. 1 088.800–1 091.200 MHz
United Kingdom Telford IO82sp OpenWebRX
445 0-30 MHz KiwiSDR, G3PWJ Stourbridge UK VLF, LF, MF, HF
  1. 0.000–30.000 MHz
United Kingdom Stourbridge IO82wk KiwiSDR
446 0-30 MHz SDR, G4DYA, Stone, Staffordshire, England, UK VLF, LF, MF, HF
  1. 0.015–30.000 MHz
United Kingdom Stone IO82wv KiwiSDR
447 Located in Conwy on the North Wales Coast HF
  1. 3.595–3.787 MHz
United Kingdom Llansantffraid Glan Conwy IO83cg WebSDR
448 Chester UK - 0-1750MHz (HF, Airband, Amateur, CB) (Will be offline untill the 25… VLF, LF, MF, HF, VHF, UHF, SHF
  1. -1.190–1.310 MHz
  2. -0.341–2.159 MHz
  3. -0.250–2.250 MHz
  4. 1.750–4.250 MHz
  5. 2.163–4.663 MHz
  6. 3.375–5.875 MHz
  7. 3.375–5.875 MHz
  8. 3.750–6.250 MHz
  9. 4.200–6.700 MHz
  10. 4.255–6.755 MHz
  11. 5.297–7.797 MHz
  12. 5.345–7.845 MHz
  13. 5.367–7.867 MHz
  14. 5.372–7.872 MHz
  15. 5.750–8.250 MHz
  16. 7.629–10.129 MHz
  17. 7.638–10.138 MHz
  18. 7.707–10.207 MHz
  19. 7.725–10.225 MHz
  20. 7.750–10.250 MHz
  21. 8.801–11.301 MHz
  22. 9.750–12.250 MHz
  23. 11.750–14.250 MHz
  24. 12.014–14.514 MHz
  25. 13.750–16.250 MHz
  26. 15.750–18.250 MHz
  27. 17.750–20.250 MHz
  28. 19.750–22.250 MHz
  29. 21.750–24.250 MHz
  30. 23.750–26.250 MHz
  31. 23.750–26.250 MHz
  32. 25.715–28.215 MHz
  33. 25.715–28.215 MHz
  34. 25.750–28.250 MHz
  35. 27.750–30.250 MHz
  36. 27.750–30.250 MHz
  37. 31.900–35.100 MHz
  38. 31.900–35.100 MHz
  39. 43.750–46.250 MHz
  40. 48.750–51.250 MHz
  41. 68.750–71.250 MHz
  42. 69.525–72.025 MHz
  43. 72.750–75.250 MHz
  44. 84.750–87.250 MHz
  45. 85.088–87.588 MHz
  46. 88.750–91.250 MHz
  47. 98.750–101.250 MHz
  48. 99.850–102.350 MHz
  49. 104.150–106.650 MHz
  50. 112.300–114.800 MHz
  51. 118.250–120.750 MHz
  52. 120.250–122.750 MHz
  53. 122.250–124.750 MHz
  54. 124.250–126.750 MHz
  55. 126.250–128.750 MHz
  56. 128.250–130.750 MHz
  57. 130.250–132.750 MHz
  58. 132.250–134.750 MHz
  59. 134.250–136.750 MHz
  60. 136.750–139.250 MHz
  61. 143.750–146.250 MHz
  62. 143.750–146.250 MHz
  63. 143.976–146.024 MHz
  64. 144.550–147.050 MHz
  65. 144.750–147.250 MHz
  66. 146.550–149.050 MHz
  67. 152.100–154.600 MHz
  68. 155.250–157.750 MHz
  69. 157.750–160.250 MHz
  70. 158.750–161.250 MHz
  71. 159.475–161.975 MHz
  72. 160.725–163.225 MHz
  73. 161.750–164.250 MHz
  74. 161.750–164.250 MHz
  75. 163.200–165.700 MHz
  76. 163.250–165.750 MHz
  77. 163.413–165.913 MHz
  78. 165.500–168.000 MHz
  79. 166.750–169.250 MHz
  80. 167.750–170.250 MHz
  81. 168.750–171.250 MHz
  82. 170.013–172.513 MHz
  83. 171.750–174.250 MHz
  84. 171.813–174.313 MHz
  85. 172.750–175.250 MHz
  86. 176.250–178.750 MHz
  87. 212.336–214.384 MHz
  88. 214.048–216.096 MHz
  89. 215.904–217.952 MHz
  90. 218.750–221.250 MHz
  91. 221.040–223.088 MHz
  92. 224.624–226.672 MHz
  93. 253.750–256.250 MHz
  94. 254.750–257.250 MHz
  95. 259.750–262.250 MHz
  96. 264.875–267.375 MHz
  97. 267.850–270.350 MHz
  98. 276.370–278.870 MHz
  99. 279.575–282.075 MHz
  100. 388.025–390.525 MHz
  101. 416.750–419.250 MHz
  102. 432.670–435.170 MHz
  103. 433.750–436.250 MHz
  104. 437.600–440.000 MHz
  105. 439.750–442.250 MHz
  106. 439.888–442.388 MHz
  107. 440.950–443.450 MHz
  108. 444.750–447.250 MHz
  109. 447.750–450.250 MHz
  110. 448.850–451.350 MHz
  111. 451.150–453.650 MHz
  112. 452.750–455.250 MHz
  113. 454.300–456.800 MHz
  114. 455.400–458.600 MHz
  115. 455.788–458.288 MHz
  116. 458.750–461.250 MHz
  117. 458.838–461.338 MHz
  118. 459.750–462.250 MHz
  119. 460.900–463.400 MHz
  120. 461.750–464.250 MHz
  121. 465.750–468.250 MHz
  122. 465.750–468.250 MHz
  123. 1 088.750–1 091.250 MHz
  124. 7 810.750–7 813.250 MHz
United Kingdom Chester IO83ne OpenWebRX
449 G4WIM VLF, LF, MF, HF, VHF, UHF
  1. -2.100–5.900 MHz
  2. 0.012–1.012 MHz
  3. 1.388–2.412 MHz
  4. 3.000–4.000 MHz
  5. 3.188–4.212 MHz
  6. 4.988–6.012 MHz
  7. 5.000–6.000 MHz
  8. 6.000–14.000 MHz
  9. 6.688–7.712 MHz
  10. 7.000–8.000 MHz
  11. 9.700–10.700 MHz
  12. 13.688–14.712 MHz
  13. 14.000–15.000 MHz
  14. 143.848–146.408 MHz
  15. 430.000–440.000 MHz
  16. 1 088.720–1 091.280 MHz
United Kingdom Kirkham IO83ns OpenWebRX
450 G4WIM 0.1-30 MHz Kiwi 2 SDR | Freckleton UK LF, MF, HF
  1. 0.100–30.000 MHz
United Kingdom Kirkham IO83ns KiwiSDR