Category Archives: LiveStream

Next Meeting Friday Oct 17th – Digital Amateur Television

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The next meeting of the Amateur Radio Experimenters Group Inc will be held on Friday October 17th at 7.30pm. Doors will open at 7.00pm. The venue will be the Fulham Community Centre, Phelps Court, Fulham.

Introducing Digital Amateur Television

The topic this evening will be an introduction to 445 MHz (70 cm band) Digital Amateur Television, presented by Steve VK5SFA. Steve will present his journey to establishing an ATV transmission capability, including the various challenges encountered along the way.

Steve will also discuss how to get involved in receiving ATV on the 70cm band, and if you bring along your DVB-T set top box he will help you leave with it programmed ready to receive the local Adelaide ATV operators. The usual retailers are still selling the Laser STB-9000 for about $40.00 which will directly receive 70cm ATV if you want to get on board.

Update: a copy of the Youtube presentation is now available here:

Homework

Below is a list of terms used in DVB-t2 television broadcasting.  I will not be going into any great detail about how DVB-t2 actually works.  It is a mature technology and there is plenty of information on the Internet.
Feel free to conduct your own research if interested.
  • DVB-t (Digital Video Broadcasting – Terrestrial)
  • Coded Orthogonal Frequency Division Multiplexing (COFDM)
  • QPSK (Quadrature Phase Shift Keying) 
  • QAM (Quadrature Amplitude Modulation)
  • MER (Modulation Error Ratio)
  • FEC (Forward Error Correction)
  • Guard Interval
  • Carriers (2K & 8K)
  • PID (Packet Identifier)
  • LCN (Logical Channel Numbers)

Next Meeting Friday 19th September 7.30pm: Foxhunting at the National Championships

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The next meeting of the Amateur Radio Experimenters Group will be held on Friday 19th September 2025. The venue is the Fulham Community Centre, off Phelps Court, Fulham. Doors open at 6.30pm and the meeting starts at 7.30pm.

The presentation this month will be given by Mark, VK5QI and Grant VK5GR who will take everyone through what happens at the National Amateur Radio Foxhunting Championships, held in Mt Gambier over the June long weekend each year.

Tea/Coffee and refreshments will be available. After the presentation a short business meeting will be held.

We hope to see you there (at the ex Reedbeds Community Centre – now Fulham Community Centre).

AREG March 2025 Presentation: RADE – Machine Learning for Speech over HF Radio

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At our March meeting we had an excellent presentation from David Rowe, VK5DGR, on the new Radio Autoencoder digital voice mode! Thanks very much to David for giving the presentation, and pushing the state of the art in Amateur Radio!

This presentation was recorded, and is now available for viewing on Youtube:

Next AREG Meeting: Neil VK5KA – Measuring your Transmitter Quality – Friday 17th February

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The next AREG meeting is this coming Friday, February the 17th at the Fulham Community Centre – Phelps Court, Fulham.

This month’s presentation will be from Neil Abraham, VK5KA, on the topic of transmitter quality measurements. Neil will cover practical methods of testing and optimising your transmit system, from the audio going into it, to the radio signals coming out of it. If you want to be sure your on-air signal is clean as a whistle, this is a talk not to be missed!

Doors open at 7.15pm and the presentation kicks off at 7.45. Everyone is welcome to attend. If you’ve never come along to one of our meetings, we’d love to see you there, all guests are welcome. For our remote members, the meeting will be broadcast via Zoom!

The presentation will also be live-streamed on Hayden VK7HH’s HamRadioDX Youtube Channel.


After the talks we’ll all be given an opportunity to have an eyeball QSO among ourselves whilst enjoying a tea or coffee and a biscuit.

73, Mark VK5QI

Introducing Amateur Satellites – YouTube Livestream – Friday 7.45pm ACDT

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AREG in conjunction with Hayden VK7HH and the HamRadioDX YouTube channel are pleased to bring to you a presentation by Adam VK2YK / VK5GA on how to get started with Amateur Radio Satellites.

AREG Members can meet Adam in person at our main meeting venue, Fulham Community Centre, in Adelaide. Remote members can interact with the meeting via Zoom. Non members will be able to watch the session via HamRadioDX on Youtube.

The presentation starts at:

  • 7.45pm Central Daylight Time
  • 8.15pm Eastern Daylight Time
  • 7.15pm Queensland
  • 6.45pm Northern Territory
  • 5:15pm Western Australia

 

 

AREG Presentation: 50MHz Ionospheric Propagation – THIS FRIDAY

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AREG is pleased to announce that our guest speaker for our October meeting is Roger Harrison, VK2ZRH. The topic is “Ionospheric Propagation on 50MHz”.

For Adelaide based members the meeting will be held from our club rooms in Fulham Community Centre, Phelps Ct, Fulham, with Roger presenting from his home in Queensland. For remote members, it will be also available via Zoom where you can interact with the meeting. For non members, you can view the presentation via the HamRadioDX YouTube channel.

Start time is 7.45pm ACDT

(8.15pm AEDT, 7.15pm AEST, 6.45pm ACST, 5.15pm AWST, 0915 UTC)

It’s called “the magic band”. Propagation of 50MHz signals over long distances is supported by serendipitous opportunities that arise in the ionosphere, in both the E and F regions. Those opportunities may be anticipated, but cannot be reliably forecast. You’ve gotta be there when they happen! Then, it’s magic.

Roger will be covering the characteristics of ionospheric sporadic-E propagation (Es), transequatorial .propagation (TEP), and ionospheric F2 propagation. He has extensive experience in this area having previously worked for the IPS Space Weather Services Research / Engineering branch.

AREG Meeting Friday 16th Sep: Introduction to DMR Digital Voice Radio Systems

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As a reminder, AREG is hosting a presentation this Friday night introducing DMR Digital Voice networks, following the commissioning of the VK5RWN DMR Repeater.

The meeting will start at 7.45pm ACST (8.15pm AEST) and will be relayed to YouTube with thanks to Hayden VK7HH via the HamRadioDX Channel

You can attend in person for the presentation by visiting the AREG clubrooms, off Phelps Court, in Fulham, Adelaide. Doors open from 7.15pm

 

The Adelaide AREG DMR repeater is in part made possible through internet services obtained from KernWi-Fi, who also sponsor AREG’s Adelaide CBD analogue repeater site VK5RSA.