• Uploads Play all

    • Kakadu scenic flight & Yellow Water billabong - Duration: 6 minutes, 2 seconds.

      • 1 month ago
      A visit to the incredible Kakadu National Park , with a scenic flight taking off from Cooinda on June 26, 2018, during the "dry season".
      The actual flight goes fo...
    • VK4RBB 10 GHz beacon maintenance day 2013 - Duration: 4 minutes, 22 seconds.

      • 5 months ago
      Circa 2013, and a look at the VK4RBB beacons at Murrarie, as they were then.

      Apparently these beacons are being moved to a new location on Mount Cotton in the near future.
    • 3.4 GHz Septum Feed for EME - Duration: 93 seconds.

      • 5 months ago
      Doug VK4OE and Phil VK4CDI are tweaking a 3.4 GHz septum feed for EME use.
    • VK4AQF on Spectrum Analyzer Resolution Band Width - Duration: 61 seconds.

      • 5 months ago
      Quentin, VK4AQF, touches on the subject of 'Resolution Band Width' with an Anritsu MS701A spectrum analyser.
    • VK4UH Transverters 2.4 GHz 5.7 GHz 10 GHz amateur ham radio - Duration: 5 minutes, 19 seconds.

      • 10 months ago
      Kevin (KJ), VK4UH, show us his transverter systems for 2.4, 5.7 and 10 GHz, based on the modules from Kuhne.
    • Thunderbolt GPSDO Display Firmware Date Fix - Duration: 3 minutes, 14 seconds.

      • 11 months ago
      The latest firmware for the VK4GHZ Thunderbolt Display fixes the date error that occurred on the roll-over to July 31, 2017.

      Several new features have also been added, so it displays:
      • firmware v...
    • VK4EA 24 GHz transverter and FM QSO - Duration: 4 minutes, 58 seconds.

      • 1 year ago
      Peter, VK4EA, shows us his Kuhne 24 GHz transverter system and attempts to make an FM contact with VK4AQF.

      The excitement of making that first QSO on a new microwave band is hard to describe!
    • Kuhne vs XDK 10 GHz receive comparison - Duration: 115 seconds.

      • 1 year ago
      Kuhne vs XDK (which also has an LNA at the front end) 10 GHz receive comparison of VK4RBB 10368.44? Brisbane beacon.
      Same dish, same feed, same IF rig. Different transverter system in between!
    • Weller WTCPT Solder Station illuminated switch mod - Duration: 33 seconds.

      • 1 year ago
      This shows the end result of replacing the stock standard rocker switch with a drop-in replacement that is illuminated.

      Full details: http://vk4ghz.com/weller-wtcpt-soldering-iron-switch-mod/
    • RMRC Dodo Buzzer output transistor replacement - Duration: 2 minutes, 15 seconds.

      • 2 years ago
      The NPN buzzer output transistor was found to be faulty, where the piezo was pulsating between half volume and fully on.
      (ie; it never turned off properly, indicating a faulty collector-emitter jun...
    • Dual-band 5.7/10 GHz microwave Transverter - Duration: 5 minutes, 19 seconds.

      • 2 years ago
      Take a look at VK4GHZ's dual band transverter system.
      Based on Kuhne G3 modules, an integrated FT-817 IF transceiver makes band switching instant.
    • VK3XDK vs ZL2BKC PLL Microphonics Test - Duration: 2 minutes, 40 seconds.

      • 2 years ago
      Both the VK3XDK and ZL2BKC work extremely well as local oscillators in microwave ham radio transverter system, but the things you do when you're bored!

      "Microphonics or microphony describes the p...
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