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VK7AX > BCAST 23.07.19 13:10z 476 Lines 28975 Bytes #999 (0) @ WW
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Subj: VK7 Amateur Radio News 21Jul19
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From: VK7AX@VK7AX.#ULV.TAS.AUS.OC
To : BCAST@WW
Text edition: VK7 AMATEUR RADIO NEWS BROADCAST
FOR SUNDAY 21 July 2019
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Welcome to the VK7 Amateur Radio News for the 21st of July 2019. This broadcast is brought to you by VK7WI, and read today by Mike, VK7FB.
This broadcast utilises repeaters around VK7 and the following HF rebroadcast stations:
On 3.670 MHz by Justin, VK7TW
On 7.140 MHz by Ross, VK7ALH
On 14.130 MHz by Peter, VK7TPE
On 28.525 MHz by Garry, VK7JGD
On DMR Talk Group 3809, Clayton, VK7ZCR.
This broadcast is repeated on Tuesday night at 8:00pm on repeaters VK7RTC in the South and VK7RAA in the North.
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QSL NEWS
Herman reports a small number of cards were received on Wednesday 5 July.
These have been sorted and added to those listed in the email version of the broadcast. Herman says that unless requested otherwise by those who have mail out arrangements, if there are only 1 or 2 cards for a station, Herman intends to hold those cards until there are enough to make a mail out more cost effective.
If you have any questions about QSL Cards being held, Herman can be contacted by
email vk7bureau @ wia.org.au
73 from Herman
AB, ABY, AC, CAN (FOR RT0C), AD, AG, AN(9N), AP
BBB, BO
CC
DD, DG, DW, DX (for E7/VK4DX), DZ
EE, EFA
FG, FLAR, FRJG
GK, GN, GM, GR, GZ
HAH, HCK, HDM, HRS, HVK
JB, JJ, JJJ
KH
LC, LH, LLJ
MA, MBD, MD, MHZ, MO
NC, NF, NRF, NSE, NWQ
PSJ
RN, ROY
TCE, TS (for VK9LS), TU
VH (VI7ANZAC), VIP, VR, VZ
WC, WLH
XDM, XX
YUM
ZA, ZGK, ZX
VI7COW, VI70HI, VI7JIS, VI7KCD, VI7LER, VI70MI
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ANOTHER 50TH WEDDING ANNIVERSARY
Ross Broomhall VK7ALH and wife Merilyn have been celebrating their Golden Wedding Anniversary this last week.
A huge congratulations to Ross and Merilyn.
We hope the family has been spoiling you two!
73, Justin, VK7TW
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WIA Annual Conference 2020
Call for Presentations
At the WIA Annual Conference in Sydney it was announced that the 2020 WIA Annual Conference will be held in Hobart on the 8-10 May 2020.
The theme is Antarctic Gateway and so the tours and visits during the weekend all revolving around Antarctica and Radio.
This is a request for anyone who would be prepared to give a presentation on the Saturday afternoon on any aspect of amateur radio, Antarctica, radio, electronics, experimentation or all of the above.
The presentations slots are 30 to 40 minutes in length with 5 to 10 minutes of questions at the end or throughout the presentation.
If you have a topic and or presentation or just an idea for one then please contact Justin VK7TW at
vk7tw @ wia.org.au to discuss.
Look forward to hearing from you.
(73, Justin, VK7TW)
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DIGITAL NEWS
Big news. We now have a new D-Star reflector located in Hobart, ref091
This is an Australia only working reflector at the time of this notice. The dashboard can be seen at
http://ref091.dstargateway.org
Clayton, VK7ZCR
Scott, VK7HSE says "I've linked VK7RAD (70cm) to it so those who have D-Star can access it via that. It will take a day or two for hotspots to be updated to include REF091.
DMR
The Tasmanian Sunday morning broadcast will be moving to the new talk group set for nets and broadcasts, Talk group 5.
This will start on Sunday 28th July. If anyone needs a hand with a code plug, you can get hold of clayton on 0466 588 193 or
email clayton7008 @ gmail.com
Here is a link for code plugs for the GD77 and software for the mD380
http://vinaka.com.au/index_files/Page1343.htm
73 Clayton, VK7ZCR
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GIPPSTECH SUMMARY
Gippstech 2019 was held last weekend the 12th to the 14th of July and was attended by a record number of VK7s. Those attending were Rex VK7MO, Justin VK7TW, Richard VK7ZBX, Murray VK7ZMS, Larry VK7WLH and Hayden VK7HH.
The weekend was cold and wet but the presentations were inspiring as usual!
Starting with David VK5KK, Iain VK5ZD and Tim VK5ZT and their 5800km Epic Microwave DXPedition. This was a humorous presentation of the trip up through Victoria, NSW, Queensland and South Australia over 12 days. They took every microwave band up to 122GHz and made many contacts with the locals in the area and set a few records along the way.
Then the Doug McArthur VK3UM (SK) award for last year's best presentation went to Jim VK1AT and Alan VK3XPD.
Microwave Enthusiasts Award went to Stefan VK4CSD.
Coffee break and some nice goodies from Brian VK3YNG - thanks Brian.
David Smith VK3HZ then gave us a presentation on his experiments on an Azimuth finder. This uses the Real Time Kinematics (RTK) Carrier Phase tracking feature, available in some GPS modules, and communicates between the modules using the 900MHz ISM band. It uses the NEO-M8P - C94-M8P02 evaluation kits and with a 3 to 4 metre baseline it gives 0.2 degrees accuracy and better than 0.1m with a baseline greater than 5 metres. This was used in ZL by Rex VK7MO for extending the 10GHz EME world record.
Mark Spooner VK5AVQ gave a wonderful presentation on Non-Ionising / RF Radiation Safety. Mark's presentation simplified the elements of the ARPANSA RPS3 standards and how to interpret and apply these standards in amateur radio scenarios. The comment was that this would normally be a 5 day course that was condensed into 45 minutes! Great work Mark.
Peter Schrader, VK4EA, a first time presenter, gave a fascinating talk on the way that VK4RBB derives its frequencies for all the microwave beacons up to 10GHz, by some interesting mixing of base GPS locked frequencies and mixing them all the way up to 10GHz.
We then enjoyed a yummy lunch.
The first presentation after lunch was Dale Hughes VK1DSH with an automatic satellite ground station for satellite telemetry reception. Dale has been experimenting with the Fox and Funcube satellites and how to use their respective data capture, logging and upload applications. Dale has also built a nifty azimuth controller for his yagi which is fixed at 45 degrees. This system uses an Arduino, magnetometer and some control circuitry. Dale has also built a nice user interface using NatSemi's LabView development environment.
Justin VK7TW then presented the next instalment of his 10GHz Microwave adventure covering the updating of the White Box transverter to a GPS Locked ZLPLL, low noise preamp and 3watt Power Amplifier.
Peter Pokorny VK2EMR then gave a most humorous outline of how we end up with the Leap Second and the Status of UTC. This started as a very serious expose' of what leap seconds were and why they are needed and then a bureaucratic nightmare of Utopian size developed with more and more organisations becoming involved.
Peter then referred to his book of acronynms to decode and display some of the key relationships from the spaghetti diagram. A most entertaining presentation.
A coffee break with more raffle tickets and goodies!
Rex Moncur VK7MO then presented how he and the ZL team extended the 10 GHz EME World Record from ZL to the United Kingdom. The talk covered how Rex managed to get a 1.13m dish from Australia to ZL in suitcase!
Roger Harrison VK2ZRH took the audience through an interesting presentation on the mechanisms of sunspots and the conveyor belt that powers the sun and creates and presents sunspots. The important question was pondered, namely "Are We There, Yet?" with a bottomed out sunspot cycle and the scientists are still unsure and much of the current thinking was presented.
We wrapped up the day and retired to a nice dinner at the Morwell Club.
On Sunday the first presentation was given by another first timer at Gippstech, George McLucas, VK4AMG, entitled "GPS Disciplined Frequency Reference, traps for Young and Not So Young Players". George took the audience through some thought provoking aspects of building a GPS Disciplined Oscillator and many of the things you need to take into account. This included the errors when generating a frequency, overcoming those errors and some other factors that need to be addressed. George then took the audience through his development of his frequency generators for a range of rigs and how they can be GPS Disciplined.
Our last coffee break and last chance for raffle tickets, goodies and books from Pages of Cobram, thanks to Peter VK3FPSR.
Tim VK5ZT then gave a quick talk on the 3.4GHz panel documentation that he has created which runs to over 60 pages about the panels and their modification and this is available on the EARC.org.au website.
Glen English VK1XX then presented the issues with the ICOM IC-9700 and stability and showed his work on developing an oscillator that can be GPS Disciplined for the IC-9700 to improve the stability of the rig for narrow band weak signal work on the microwave bands.
Another Gippstech first timer presenter, Wayne Pearson, VK5APN, gave an entertaining presentation on Grid squares which then lead into his experiments with an independent location finder that gives a range of data including Maidenhead to 10 digits.
Justin VK7TW finished up the presentations with a K3NG based AZ/EL GPS rotator for 10 GHz EME. This showed the applications and the equipment along with the ease of configuring. Pictures showed the Arduino based controller including GPS module that can be used to determine your location and the CCTV AZ/EL based mount to track the sun and moon.
We then retired to the common room for the raffle draw before enjoying pizza and heading in many different directions following, another enjoyable Gippstech.
73, Justin, VK7TW
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News from the North West
NWTR&TVG
Notice of General Meeting
The next meeting of NWTR&TVG will take place at the Scout Hall in Ulverstone on Saturday the 3rd August at 2pm
It was announced to members present at the last meeting that Kevin VK7HKN was going to do a presentation but that has again been delayed by circumstances beyond Kevin's control to another time to be arranged when his issues are settled,
The usual small plate for afternoon tea will be most welcome and Shirl VK7HSC will supply tea and coffee as usual.
It will be the normal club meeting followed by afternoon tea and a socialising opportunity for all to enjoy for the rest of the afternoon.
Friends are welcome to attend if they would like to. Your presence is welcomed.
So, looking forward to seeing you there,
Shirl VK7HSC, President
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NWTR&TVG currently do not have an operational web site, but are developing a new one, and will advise when it is up and running.
Regards, VK7EV, News Officer, NWRTVG
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News from the North
SOTA and WWFF Parks and Reserves Group
Meeting times are from 10:30am on Monday and Friday At Glebe Gardens Cafe, 166 Henry St, Launceston.
For more details contact Al on Mobile: 0417 354 410.
73, Al, VK7AN
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Northern Tasmanian Amateur Radio Club Incorporated
www.ntarc.net
Not much to report on this week but we will open with a rundown of our July lunch and meeting which was held last Saturday 13 July.
The club room was opened up nice and early, with Skywarmer being lit to do his job of heating up our small meeting room, which he did admirably. The urn was soon on and biscuits put out for the early arrivals to snack on. Four tables had been set up with our fancy tablecloths, plates, newly purchased soup bowls and cutlery laid out.
To complete the overall look, LED candles were placed on each of the tables, sending out a very warm relaxing atmosphere. These are fascinating devices that look very lifelike, down to the flickering you would expect from wax candles and with an occasional flare, much like the effect wind has on the real thing. Im told that these effects are produced by an audio chip originally designed for producing sound effects on model railway layouts. Whatever, they are very effective. They first came to notice when one was included as a freebie in an order the OM placed for LED globes to replace the hoard of current-hungry incandescents on the boat. They proved an immediate hit with family and friends, so we have since purchased many more from the supplier in far north Queensland. As a result of their outing at lunch last Saturday and on a couple of coffee mornings earlier, the club now has 12 on order.
Numbers attending the lunch were down, which was somewhat disappointing considering so much effort had gone into organising this event. The effort made by our catering team was beyond our expectation. The soup choices were sumptuous and the sandwiches courtesy of Subways were of their usual high standard. Those that attended the lunch enjoyed themselves and much banter, laughter and telling of tall stories over lunch kept us all amused.
The meeting commenced at 14:15 hours and once again the agenda was quickly worked through with no long drawn out discussions. It was all done and dusted by 15:00 hours. The minutes will be written up in coming days now that my school holiday grand-daughter minding and amusing duties have finished.
A thank you to those members that donated soups and then backed up again with cakes and other delicacies for afternoon tea for all to enjoy.
We now hand over to NTARC President Idris VK7ZIR for his report on the clubs latest technical session, held at the clubrooms at Rocherlea this past Wednesday evening.
Round up of Wednesday 10 July technical – “The night was again cold and Skywarmer was put to the test once again. Numbers were down so obviously many dont like to wander out on winter evenings. Show and Tell items were down but those that were brought along were viewed, awed over, commented upon and generally enjoyed.
We then moved onto other talk matters regarding electronics and the latest items in the electronic magazines, closely followed by politics and other happenings occurring around the world. Yes, Wednesday nights are not just about electronics, but world events, car problems and other trivial matters. Many cups of coffee and biscuits, along with leftover cakes from the Monday morning tea session, were devoured to keep the grey matter active.
The last couple of sessions have been quiet so heres hoping next Wednesday the weather is kinder to us and we see many members venturing out to join us. So, until then, take care.”
Thank you Idris and yes, with the weather the way it is, it tends to make many of us hug the home fire day and night. Thankfully winter ends on Saturday 31 August, so, not many weeks to go and Spring is due to commence, and with that, long grass and mowing and more mowing.
Coming events
Technical sessions – The next session will be on Wednesday 24 July and will commence at the usual time of 7.30 pm to 10.30 pm Club room Archer Street, Rocherlea. Pop in catch up with fellow amateurs, bring along something that you are currently building or just ask questions? You might also be able to answer some from other attendees. That is what the evenings are all about, anything of a technical or near-technical nature is fair game. Endless tea and coffee along with biscuits is available for a small gold coin donation.
Social non meeting dinner – Wednesday 28 August. Venue The Commercial Hotel, corner Cimitiere and George Street Launceston. Meet time 6.30 pm for 7.00 pm dinner. A la carte menu. If you are planning to attend could you please email me at either of the following addresses
ypmaxwell @ bigpond.com or ntarc.emails @ gmail.com
or let me know at coffee sessions. So far I have 13 acceptances, the table has been booked under NTARCs name with 25 places but that can be extended. A copy of their menu can be found at the club room. The menu is extensive and very good value. Meals are on the medium to large size so I can assure no one will go home hungry. For those that enjoy dessert they also have a very good selection.
Coffee mornings – A reminder that our twice-weekly coffee sessions are normally held every Monday and Friday commencing at 10.00 am and running through till about noon or longer if members want to linger longer.
Please remember that aside from the good company, freely offered philosophical views, maybe less than expert political analysis, tall tales and genuinely good fare on offer, these coffee events are normally a good opportunity to collect your QSL cards but currently we have no cards awaiting collection.
Please demonstrate your appreciation of all the effort that goes into operating the club and its facilities and other services we provide by joining us at these sessions, enjoying the company, coffee and the cake and leaving a gold coin or two, or even a small bank note, in the jar to assist in our on-going operations. I dont know of any other venue in Launceston where you can get endless coffee, tea and eats for a donation of this miniscule amount.
Finally
A reminder to all members that if you have any items of news you would like added to our weekly roundup, then please email the following address
ntarc.emails @ gmail.com
However, it would be appreciated if any news could be sent no later than 17:00 hours on the Friday prior to broadcast, to allow its timely insertion into the NTARC segment.
That gives all a chance to get the NTARC segment together and off to Hobart in time for collation into the VK7 Broadcast, including frantically arranging other connections when our NBN fails. Your continued co-operation in this regard will be gratefully appreciated and do much to lower my blood pressure.
As always, I look forward to seeing you at Rocherlea.
73, Yvonne VK7FYMX, Secretary NTARC Inc
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NEWS FROM THE SOUTH
Radio and Electronics Association of Southern Tasmania
www.reast.asn.au
https://www.facebook.com/reasttas/
VK7RAD DMR Update
Important information for those people using DMR in the south of the state - the VK7RAD digital voice repeater will be changing DMR networks from Brandmeister to VKDMR. This change is happening after news in late June that the Brandmeister Australia service will be shut down in the not too distant future as the ongoing cost and commitments from it's sponsor are now too much to continue running.
Updated Code Plugs will be available from the REAST Website, under information, IRLP, EchoLink and DMR - A direct link can be found in the text edition of the broadcast.
https://www.reast.asn.au/information/irlp-echolink-dmr/
Antenna Kits Available
Ben VK7BEN still have a number of End-Fed and Satellite Moxon kits available after the antenna field day for anyone who may be interested. $35 for end-fed kits and $25 for handheld Satellite Moxon kits. The people who bought and assembled these on the recent REAST antenna build day gave these a big thumbs up! Email vk7ben@wia.org.au if you would like to purchase one of these kits.
Ben Short ben @v k7ben.id.au | http://www.vk7ben.id.au | Twitter: @bcshort
REAST August Presentation
Save the date
We are lucky to have Ian MacIntosh back for a fantastic presentation and demo of Oculus Rift Virtual Reality (VR) technology. Ian has been experimenting with this technology for many years and the presentation will include Oculus Rift VR Archaeology since 2012 as Ian will be able to demonstrate each of the models over the last few years.
The history of VR will be included from the 1960s and the players in this space. Ian will then move to the challenges like - Tracking. IMUs, IR Constellations and webcams, Room Scale tracking and motion capture. There are also technology challenges with real time processing, communication channels, bandwidth and latency.
Ian will show the technology he has built up over his time experimenting with VR technology. The prototyping he has been doing and Photogrammetry. Don't know what this is - why not come along and learn! Ian will then go into the tools he uses with an application called Meshroom.
During the presentation and demonstration there will be many forays into the real-world applications that this technology is already being used for. A huge thank you to Ian for giving us this presentation on one of his many passions.
This looks to be a fantastic night and we hope to see you up on the Queen's Domain in the REAST clubrooms from 7:30pm on 7 August 2019.
73, Justin, VK7TW
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DATV Experimenter's Night Wrap-Up
A hardy bunch of experimenters braved the cold, wet and windy conditions to come along and hear a special presentation by Steve Leeper, VK7OO, on the Hobart Integrated Parking System.
Steve took the audience through the technical aspects of the system architecture, communications, devices and how it hangs together.
Steve started off by describing the different components, the LIPD parking sensors, the LIPD to 3G modules, the parking meters and the parking phone applications. Mention was also made of the enforcement side that also connects to the central cloud-based control databases. Steve's presentation showed the tools that they have available, to show the system from a Hobart level view down to an individual parking space view.
Steve showed typical communications that go between the sensor and cloud-based system. There was also a demonstration outside to show the actual communications using an SDR dongle for 433MHz and tablet and proprietary testing software to show the communications.
Steve also showed the typical records that they can interrogate to work out what is going on with a parking space as cars move into and out of parking spaces and payment is made for the space.
Steve then took questions and wrapped up the presentation with a very funny comic that was very apt. Thanks to Steve and the Hobart City Council who allowed Steve to give us the talk.
This Wednesday 24th July from 7:30pm is a Grid Dip Oscillator night - bring along your Grid Dip Oscillator and we will go through what you can use these versatile devices for.
We go out on RF on 445.5MHz DVB-T 7MHz Standard Definition. So, if you have a TV, Set-top box or USB DTV Dongle that you can tune to 445.5MHz and do a scan for a DVB-T signal, and, you can see the Queens Domain, then you have a good chance of receiving the DATV Experimenter's Night Signal. Look out for VK7OTC. We also stream the nights on the REAST YouTube channel and Facebook.
https://www.reast.asn.au/special-interest-groups/amateur-tv/
See you there.
73, Justin, VK7TW
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REAST Training
The next training session is scheduled for Saturday September 14th.
73 Reg VK7KK assessor@reast.asn.au
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TECHNICAL ARTICLE
Official report slams the UKs ESN project
The Home Office is “not on top of” the UKs long-awaited Emergency Services Network, according to an official investigation.
The UKs long-awaited Emergency Services Network (ESN) is now three years late and expected to cost the taxpayer at least £3.1 billion more than planned, according to a just-released report from the Committee of Public Accounts (PAC).
The Committee said in a statement on 17 July that “despite repeated warnings from this Committee and others, the Home Offices programme to create the new Emergency Services Network (ESN) has been beset by problems. Delays to the delivery of the programme have continued and costs have escalated.
“The Departments original approach was far too optimistic given the level of risk, and its governance arrangements were insufficient to deal with problems that emerged.”
The aim of the ESN is to replace the extant narrowband voice communications system used by public safety agencies the Airwave network with a mobile broadband service utilising commercial carrier networks.
Although the Home Office announced in 2018 that it was to ‘reset the programme, “we are not yet convinced that it has done enough to turn the programme around” the Committee said.
“The plan for delivering ESN is still not sufficiently robust and the Department does not yet have the skills to make it work. The programme faces substantial levels of technical and commercial risk, and failures to date have undermined the confidence of users that the programme will deliver a system that is fit for purpose and meets their needs.
“On current evidence it seems inevitable that there will be further delays and cost increases.”
The statement goes on to say that the Department has “put itself in a position where the status quo is costly and leaves little option but to progress with ESN. One company, Motorola, is involved in both the new and the old contract leading to perverse incentives and putting the Department in a weak negotiating position.
“The Committee has examined this programme on eight occasions and we remain concerned about its progress and the Home Offices ability to meet the challenges ahead.”
Chair of the Committee, Meg Hillier MP, said that “The endless delay in delivering a new system for our emergency services to communicate and share data is creating a crisis of confidence as police, fire and ambulance no longer have trust in the new system being delivered. Neither the emergency services, nor the PAC, are convinced that the Home office has a credible plan to deliver a reliable and effective service anytime soon. In the meantime services are having to find work arounds and buy new equipment,” Hillier added. “The financial benefits originally predicted for this programme are rapidly evaporating and it will not now realise cost savings, on the most optimistic forecasts, for at least a decade.”
“The key technology behind the ESN is not yet fully proven and we were not convinced that the Home Office has the capability and plans to deliver a coherent single system that provides the functionality and dependability the emergency services demand.”
Read more: http://criticalcomms.com.au/content/public-safety/article/official-report-slams-the-uk-s-esn-project-567420652#ixzz5u7IlAEwo
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Regular VK7 gatherings and events over the coming months:
Regular gatherings:
SOTA Group – Monday and Friday Coffee Sessions from 10:30am at Glebe Gardens Cafe 166 Henry St, Launceston
NTARC - Monday and Friday Coffee Sessions from 10am, Technical Sessions on Wednesdays from 7.30 pm to 10.30 pm in the clubrooms Archer Street, Rocherlea, Launceston.
REAST – Wednesday Afternoon Group meets from Noon and the Experimenters Nights from 1930 in the Queens Domain clubrooms.
REAST – MICROWAVE QSO Party – following after the Sunday broadcast on 1296.15 MHz FM.
Events:
NW Coast – August 3rd - General Meeting from 2pm at the Scout Hall, Ulverstone
REAST – August 7 – Oculus Rift and Virtual Reality Demonstrations with Ian Macintosh – Queens Domain clubrooms from 7:30pm
NTARC - Wednesday 28 August. Venue The Commercial Hotel, corner Cimitiere and George Street Launceston - Social dinner
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A reminder to those people rostered for next weeks broadcast:
Newsreader: VK7PD
Repeaters: REAST, NTARC and NWTR&TVG
80m: VK7JGD
40m: VK7FB
20m: VK7ALH
10m: VK7TPE
DMR: Talk Group 3809 VK7ZCR
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This broadcast is repeated on Tuesday night at 8:00pm on repeaters VK7RTC in the South and VK7RAA in the North.
Thanks to all people and organisations that assisted with this broadcast.
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That concludes our VK7 Amateur Radio News Broadcast for this week.
You have been listening to or just missed VK7WI, next week the National WIA news can be heard at 0900 followed by the VK7 Amateur Radio News at 0930 hours.
Items for the broadcast can be emailed to vk7arnews @ gmail.com
Further information about the broadcast can be found at the VK7 Amateur Radio News Groups.IO Group.
https://groups.io/g/vk7arnews
The deadline for items is 21:00 on Friday prior to the Sunday of the broadcast.
VK7WI is now closing but will reopen shortly for callbacks and relay reports. Callbacks will be taken on the frequency to which you are listening. Relay stations will use their own callsigns during the callback.
From the VK7 Amateur Radio News, it is 73 from Mike, VK7FB.
(Posted to the packet network courtesy Tony VK7AX)
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