About VK4ZQ


Roy O’Malley VK4ZQ

I was first licenced in 1957. I am currently active on all band from 160m to 3cm. I enjoy all aspects of amateur radio with my station supporting a variety of modes.

The Commercial Equipment is basically ICOM as the serial “BUS” system provides excellent computer control and is ideal for the modes I use regularly. I enjoy building equipment and antennas especially on the VHF, UHF and Microwave bands.

My amateur station is supported by a mix of Microsoft, Linux and Apple computer systems using hard wired and Wireless networking. The computer system also interfaces to many of the radio systems with an internet connection being provided by a broadband cable service.


14 Responses to About VK4ZQ

  1. Graham McPhee says:

    Graham McPhee has logged into your site Roy

  2. Peter Tottle says:

    Hi Roy, Thanks for the nice long & interesting chat on D-Star on the 30th Sept11.
    I am very impressed with your Microwave page. Lots of interesting goodies to ogle & wish I also had. I don’t see any of that stuff out here in Southern Africa up for grabs.
    73’s Peter ZS2ABF.

    • vk4zq says:

      Hello Peter,
      Thank you for your comments on the Blog. Thanks also for the great QSO on DStar it was a lot of fun.
      I enjoyed building the projects that I have outlined in the Blog, I enjoy getting into the workshop and seeing what I can make!
      Regards Roy VK4ZQ

  3. Dale says:

    Excellent site Roy. Congratulations on your construction efforts and then documenting it all. I have found it all very interesting. I wonder if you every knew Des Clift VK5ZO SK? Also a microwave enthusiast here in VK5. Your experiences with battery power, polarity protection, metering etc are all very useful reminders for portable station development.
    Thanks for the very relevant site and information.
    Dale VK5DC

    • vk4zq says:

      Hello Dale,
      Thank you for you kind remarks. The Microwave Projects have been a lot of fun to produce. I enjoy the time I spend in the workshop.
      I seem to remember having a number of discussions with Des but I can’t rember when.
      Thanks again for your comments.
      73 Roy VK4ZQ

  4. thanks to people like you that all newbie have the opportunity to understand something they would like to know but don’t know where to find it. lista de email lista de email lista de email lista de email lista de email

  5. Murrsy says:

    I am on the way to Cairns 31-7-16. Then I spend 20days traveling around ( In QLD ) Fly out
    of Brisbane on the 19-8-16 73 Murray ZL3MH

  6. Hi Roy,
    Thanks for the quick QSO on SO-50, apologises for it being so short. I do not have a rotator and I was waving the antennas around by hand. Extreamely ad-hoc. I’m working to a better solution for antenna pointing now which involves a used pan/tilt from a camera. Software is good to go, just sorting out the hardware.

    You have a lot of info on your blog that I will certainly becoming back to peruse.


    • vk4zq says:

      Hello David,
      Very pleased to work you on SO-50 today. Thank you for your comments on my Blog.
      If I can help you with any information just let me know!
      Regards and best wishes
      Roy VK4ZQ.

  7. Luciano says:

    Hi Roy,
    congratulations, site full of information and experiences.
    I will treasure it.

    Yours sincerely.

    73 Luciano IW0EHS

  8. Pieter says:

    Hi Roy,
    Thanks for all it looks good I like to operate mobile and field have been doing a lot of but do not do the digi stuff and satalites HF and VHF/UHF only, I will mail you some of my play pen stuff,
    Thank you , Pieter ,ZL1PDT/ ZL1LIG (lighthouse)/ ex ZS1PDT

    • vk4zq says:

      Hello Pieter,
      thank you for the kind words. Our hobby has many facets and they are all fun. I get a great amount of satisfaction from our hobby and obviously you do too!
      All the best to you and your family.
      73’s Roy VK4ZQ

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