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VK7AX > BCAST 06.09.25 15:50l 468 Lines 24342 Bytes #298 (0) @ WW BID : 4451_VK7AX Read: GUEST Subj: VK7 Amateur Radio News 07Sep25 Path: IW8PGT<HB9CSR<IK6IHL<IK7NXU<HB9ON<HB9ON<PI8ZTM<VK2IO<VK7AX Sent: 250906/1327Z 4451@VK7AX.#ULV.TAS.AUS.AUNZ LinBPQ6.0.24 VK7 Amateur Radio News 07Sep25 Text edition: -------------------------------- VK7 AMATEUR RADIO NEWS BROADCAST FOR SUNDAY 7th September 2025 -------------------------------- Welcome to the VK7 Amateur Radio News. This was first broadcast on Sunday, September, 7th, 2025 and we bring you the latest from the world of amateur radio in VK7. This week, joining you from the Tasmanian Amateur Radio News desk is Idris, VK7ZIR. Tune in as we share updates and insights across VK7, broadcast through an array of platforms and frequencies: On DMR Talk Group 5 and D-Star Reflector 91C, managed by the digital group. On Medium and high frequency rebroadcasts thanks to our dedicated operators: 1.862 MHz by Graham, VK7GS 3.670 MHz by Garry, VK7JGD 7.140 MHz by Dale, VK7DG 14.130 MHz by Any Takers 28.525 MHz by Ross VK7ALH and UHF CB Channel 24 hosted by Mark, VK7FMAC and HF CB Channel 24 (11m) hosted by Stephen, VK7SME both in the Hobart area. If you missed todayâ€Ös broadcast then you can catch the replay on Tuesday night at 8:00pm on repeaters VK7RAA in Northern VK7 and VK7RHT and UHFCB24 and HFCB24 in Southern VK7. Thank you for tuning in and enjoy the broadcast! -------------------------------- Miena Hamfest is Back After a hiatus since 2018, the Miena Hamfest is returning on Saturday, 15th November 2025! Join us at the Miena Community Centre, nestled in the beautiful Great Lakes of Central Tasmania, from 10:00â€¯am to 4:00â€¯pm. On the day, enjoy snags, burgers, hotdogs, tea, coffee, and cordialâ€öand yes, the bar opens at 3â€¯pm! Bring along anything youâ€Öd like to sell, browse operating amateur radio setups, and check out displays from organisations supporting the amateur radio community. Some suppliers are expected to attend too! Entry is just $5, and itâ€Ös your chance to buy, sell, chat, and finally meet those you usually only talk to on air. Come for a feed, a natter, and a fantastic day out in a stunning location. More details coming soonâ€ömark your calendars! 73, Eric VK7EV & Dave VK7OB -------------------------------- WWFF, SOTA, POTA and IOTA Weekly Wrap-Up Our friends across the ditch have launched a new New Zealand and Australian Amateur Radio Magazine, which is free to access and already up to issue 3. The magazine highlights plenty of Park and SOTA activations, making it a great read for operators with similar interests. Even better, the editor has invited VK7 amateurs to contribute articles. This is a fantastic opportunity to showcase our activities, fly the VK7 flag, and share an activation story with a wider audience. David, VK7DBX, and Jim, VK7JZ, headed out to the Calverts Hill Nature Reserve near Cremorne. David was especially keen to put his brand-new Xiegu G90 through its paces, running it with a vertical whip on a Mad Dog Coil. The setup worked a treat, with plenty of contacts rolling in on both 15m and 40m. The activationâ€Ös highlight came when David chalked up his first-ever DX from the field, making a QSO into Texas! By the end, the logs showed 18 QSOs each for both David and Jim, a tidy haul and a day well spent on the air. The northern crew, Rodney, VK7HAM, Al, VK7AN, and Peter, VK7ZPE, returned to the Skemps Myrtle Bank Conservation Covenant, situated at Myrtle Bank around 35 km east of Launceston. This special covenant is managed by the Launceston Field Naturalists Club and was originally bequeathed to the club by John Rowland Skemp in the late 1960s. With the last day of winter now behind us for 2025, dust those portable rigs off and head out for an activation! 73, Matt, VK7MAT -------------------------------- QSL News Inwards QSL Bureau Information The current list of QSL Cards held by the VK7 Inwards Bureau as at 5 Sep is in the email version of the Broadcast. Do you attend your local radio club? If so, please email Herman with your Club mailing address, your name and callsign if you would like to collect any cards that arrive for you at your club. Email to westyh(at)ozemail.com.au 73 Herman VK7HW Manager WIA VK7 Inwards QSL Bureau -------------------------------- Sorted Cards held at 5 Sep 2025 ( Any errors in the listing are mine, I sometimes miss culling a call sign) AA, AAC, AAD, AAE, AAH, AAP, AAR, AB, ACE, AD, ACG, ACN, ADE, AED, AG(2014, 2016), AGC, AHT, AIR, AJC, AJP, AKK, ALARA (via GH),ALZ, AM, ANC, AO, AP, APZ, AQ, AS, ATH, AXZ, AY BA, BB, BD, BPV, BT, BU, BYE C, CA, CBK, CBR, CC, CH/T, CJ, CMV, CTV, CV, CW, CWB, CX DAN, DBX, DC, DG, DHT, DI, DIK, DM, DN, DO, DP, DQ, DR, DT, DV, DX, DY, DZ EA, EG, EI, EK, EKA, ER FAA, FADZ, FALX (alx), FAZZ, FCIA, FG, FGGT, FKLW, FLAR, FMI, FPRN, FRJ, FRJG, FTAS, FTR G, GA, GC, GEL, GGZ, GL, GM, GN, GOP, GR, GS, GU, GZ HCH, HCK, HDE, HDM, HDX, HH, HL, HOB, HRS, HSA, HSC, HSD, HSE, HSJ, HSO, HVK, HZ IAN, ID, IK, IR, IS JA, JAB, JAZ, JB, JCR, JGD, JOK, JON, JP, JS, JW, JX KAC, KAM, KBA, KD, KDO, KJ, KKR, KL, KO, KRJ, KT LA, LDH, LL, LLL, LM, LT, LVH, LW M, MA, MAG, MBD, MD, MEL, MET, MHZ, MI, MJ, MOO, MR, MRS, MS, MV NA, NB, NC, ND, NEC, NET, NFI, NG, NIK, NMH, NRF, NRT, NRX, NSE, NTE, NVH, NWT OB, OR PAF, PBD, PDJ, PKJ, PO, POL, PRN, PSH, PSJ, PSZ, PW QP RA, RB, RG, RW SD, SG(vi7SG), SIX, SM, SN, SV, SW, SZ TA, TCE, TED, TK, TM, TO, TPE, TUX, TW, TX, TZ UT VA, VAC, VAO, VAZ, VDC, VEK, VH, VIP, VM, VR, VTM WA, WC, WL, WN, WO, WT, WUU, W, WX XTC, XV Y, YN ZA, ZBX, ZGK, ZJJ, ZK, ZM, ZT, ZTA, ZX Following cards were left/seen in the box at WAGS 27 Aug 25 - AZ, HVK, MAT, RR/4, STO, TO, ZTA -------------------------------- Statewide SSTV Nights Repeater VK7RJG is operational again and northerners could send photos statewide. However due to the cold weather or a system Gremlin no photos made it north. This week did see the following participants, VK7s â€“ EV, ZAB, TW, ZCF and AX sending forty photos. The main themes were: Aircraft â€“ like the DCA Aero Commander and the B25 Mitchell Bomber Orangutans repairing a radio and correctly holding the soldering iron Before we work on AI, why donâ€Öt we do something about natural stupidity? Advertising for Human bait for a Bigfoot research project A section of 450 ohm ladder line using 3D printed spacers A mono-rail cat and another enjoying retirement Other highlights were: A â€œnothing gets doneâ€ lounge suite That Poland is the best place for alcoholic drinks How much RF is needed to cause a tower to burn The new flat Earth theory is that the Earth it is a â€œHot Dogâ€ A book for the woke believers Hams are not the only hobbyists after a big shed Cars with no air bags are for Real Men An Arduino base CW decoder board And 73 from a Whisky drinker Again Tony VK7AX interconnected VK7RJG to his SSTV International Gateway and VK7s exchanged photos with DJ0ZK in Germany and PC1K in the Netherlands. Remember to leave a 30 second break between transmissions to allow the European countries a chance to send photos. Tony will connect the gateway next week between 6:30 pm and 11:30 pm. Note - Ken VK7KRJâ€Ös and Steve VK7OOâ€Ös fully automatic 24/7 monitoring sites allow anyone who has sent SSTV pictures the ability to check them on their pages almost immediately, any time, both South and North Tasmania. If you missed the net there are archives of these SSTV nights on Kenâ€Ös and Steveâ€Ös SSTV websites or on NTARCâ€Ös website under blogs. https://vk7oo.tasme.com/vhfsstv/ https://sstv.vk7krj.com/scrolling%20web%20gallery.html https://www.ntarc.net/blogs https://www.qsl.net/vk7ax/sstvgate3/index.html 73 from Andreâ€Ö VK7ZAB -------------------------------- NEWS FROM THE NORTH WEST North West Tasmania Amateur Radio Club Inc. Reminder - VK7RAL off the air Club repeater members attended the VK7RAL site last week, as since at least late April this year, the new link to VK7RAA had ceased to function. Unfortunately, it was disable without our permission or notifying the club, who own the repeater. Requests to reinstate the link have been ignored. So, some of the repeater committee attended the site and removed the repeater, to service it, and install some other modifications before reinstating it. We apologise to those on the West Coast who havenâ€Öt been able to converse to amateurs in the North and vice versa, but this was not of our doing. Once the repeater is reinstated, amateurs on the West Coast will be able to converse on the statewide link again. Regards Andrew Hay, VK7XR Club President, NWTARC -------------------------------- NEWS FROM THE NORTH SOTA/WWFF PARKS GROUP The Summits On The Air/World Wide Flora and Fauna parks group meets twice weekly â€“ Mondays and Fridays 10.30AM till 12.00 at the Glebe Gardens Cafe, Henry Street, Launceston. For more information contact Al on 0417 354 410. 73, Al, VK7AN -------------------------------- Northern Tasmanian Amateur Radio Club Incorporated www.ntarc.net The Mt. Arthur Repeater site of VK7RAA and VK7RJG was visited last Monday, all Amateur Band services were restored. Unfortunately the CB â€œRepeater 2â€ could not be successfully brought back into service and has been removed from site for repair. Thanks to VK7s Tony YBG, David JD, Colin ZCF, Eric ZPE and Andreâ€Ö ZAB for braving the cold blustery conditions on the mountain to return the services. Last club room technical night Colin VK7ZCF, our resident 3D printer expert extraordinaire, brought in his latest endeavours. He needed some 450 ohm ladder line for an HF antenna. Why buy and wait when you can build! So Colin has been busy 3D printing a couple of hundred small spacers. He threading 188 spacers onto a pair of conductors and used a wooden dowel as the designated distance between spacers. After a dab of slow setting super glue to hold the spacer in place on the insulated conductors, he now has 40 feet of magnificent ladder-line. All that remains is the antenna construction and some test and measurement Colin. For interests sake Ross VK7ALH brought in a Yaesu FT-620. This little unit shows the high level of mechanical precision obtained in mass production of a semi domestic radio that is circa mid-1970s. This 6 Metre band rig covers from 50 to 54 MHz divided into eight 500 kHz selectable band portions. Check out the picture for the rotating dual coloured white and green disk behind the frequency window to denote the 100s of kilohertz portion of the frequency. Its output may only be 4 Watt AM with 10 Watt SSB and CW but it is certainly sporting classic 70s rectangular push buttons on the front panel. Nice little rig Ross, good luck returning it to full service. Remember a couple of weeks ago I mentioned that one of our members had gone back to basics. Nic VK7WW was grinding his own plug in quartz crystals, well not from scratch but trying his hand at shifting the resonant frequency, of a commercially made one, higher to something closer to what he requires. Well Nic has provided us with an update on some of his endeavours:- He used a glass plate from an old set of bathroom scales for the very flat sanding surface. A sheet of 600 grade wet & dry was held on the glass with electrical tape. He constructed a jig to test the crystal without having to put it back in the crystal holder after each sanding session. Used 99% isopropyl alcohol to clean the crystal each time itâ€Ös tested - wiping it with a â€˜magicâ€Ö synthetic duster. After Nic removed the quartz from the â€œplug in crystal holderâ€ it was placed on the sanding sheet and guided by his fingers to move it in a large figure 8 pattern. Complete say 20 figure 8s at a time before turning the quartz 90 degrees, repeat turning each time you have done 20 more figure 8s. That way you even out any irregularities on the quartz, every time you complete 80 figure 8s. Then check the frequency in the test jig. Repeat the previous grind and test process again and again and againâ€¦. Until you hopefully get to the higher frequency you require. Now for some statistics: - Nic first standard FT243 crystal was on 3.295 MHz and using 600 grit wet and dry, he managed to take it up to 3.529 MHz. This took him 560 figure of 8s, which provided a shift of 234 kHz ! Nic said â€œMy 6042.5 kHz crystal took all day to get up to 7022 kHz. Thatâ€Ös 980 kHz! It only took 1700 figure of 8â€Ösâ€¦and now I have no fingerprints! Had to change the wet and dry sheet. But wanted to prove to myself that I could move the fx almost 1 MHz.â€ Check out NTARCâ€Ös DISCORD channel for the 27th August, for the full technicolour sequence of pictures covering setup, grinding, test-jig, testing, even the insides of a FT243 plug in crystal. This posting also includes a full description of his successful experimentation into shifting crystals. Thanks for the update Nic, but sorry that you wonâ€Öt be using fingerprint recognition on your phone for a while, HiHi This Wednesday NTARC club rooms will be opening up to watch the REAST â€œHow to use your NanoVNAâ€ presentation on Wednesday the 10th of September. Doors will be open by 7:00 pm, with the live REAST YouTube channel on line by 7:30 pm. See you there. As always pictures will be available on the NTARC Web site under â€œBlogsâ€ for this broadcast. NTARC Blogs https://www.ntarc.net/blogs UPCOMING EVENTS On Air Test and Technical Net session - Every Wednesday, Test-Net and CW course on 3.580 MHz from 7 pm, then a Technical Net on 3.567 MHz from 7.30 pm till 8.30 pm. Your host for the evening is Nic VK7WW. Special Club Room night session - Wednesday the 10th. September, live stream of REAST â€œHow to use your NanoVNAâ€, doors open at 7:00 pm. Club Room Technical night - The next session will be on Wednesday the 17th of September and will commence at the usual time of 6.30 pm at the Club Room Archer Street, Rocherlea. Coffee Morning - Held every Friday in the NTARC Club rooms. Time is from 10 am to noon. Finally â€“ If you have any items of news please email them to the Secretary at the following address news(at)ntarc.net all items to be received no later than 5 pm on the Friday prior to the Broadcast. Thatâ€Ös all folks, 73 from Stefan, VK7ZSB, Secretary NTARC Inc. -------------------------------- NEWS FROM THE SOUTH Radio and Electronics Association of Southern Tasmania https://www.reast.asn.au/ https://www.facebook.com/reasttas/ https://www.youtube.com/reasthobart/ Wednesday Experimenterâ€Ös Group (WEGs) https://www.youtube.com/watch?v=usd3vFQdPWM Last Wednesday night was a diverse range of subjects covered in the DATV Studio. We started with a short segment from Rex VK7MO who told us about why you may need to wait up to 13 minutes for your small USB GPS dongle to give you accurate GPS locked time. This is due to these cheap dongles not taking into account the last two leap seconds and having to wait for them to download and calculate a new Ephemeris which can take up to 13 minutes. Rex then showed a new style of USB dongle that quickly downloads and stores the ephemeris and therefore doesnâ€Öt need to download it every time. Thanks Rex. Take a look at the video of the night on the REAST YouTube channel for all the links to applications and dongle types. The next segment was about a study done that correlated Geomagnetic Cycles and increased Blood Pressure from China using the data from 500,000 people over a 6 year period. We then took a look at the latest edition of OTN the magazine of the RAOTC. We then moved to a ring dynomotor from the Cygnet exchange when everything was electromechanical. We finished off with a tour of the new DATV Studio, space weather report and future events. We go into recess with the Wednesday Experimenter Nights for a fortnight as this week is our Forum Night. https://www.youtube.com/watch?v=usd3vFQdPWM 73, Justin, VK7TW -------------------------------- September Forum Night How to get the most from your NanoVNA https://www.reast.asn.au/event/forum-night-how-to-use-your-nanovna/ Everyoneâ€Ös got a NanoVNA in their shack (except Rexâ€¦HIHI!)â€¦ but are you really getting the most out of it? Join us for the REAST Forum Night next Wednesday, September 10th, where weâ€Öll demystify the mighty little NanoVNA! This session is all about practical usage, so bring your questions, your NanoVNA, and your curiosity. Whether youâ€Öre tuning antennas, measuring filters, checking feedlines or just trying to figure out what those squiggly lines meanâ€öthis is your chance to get hands-on. Thereâ€Öll be live demonstrations, open Q&A, and plenty of shared tips and tricks from fellow hams whoâ€Öve gone deep with their NanoVNAs. No PowerPointâ€öjust pure, practical knowledge. Kicking off at 7:30pm at the REAST Queens Domain Clubrooms and also streamed live on the REAST YouTube channel. Donâ€Öt miss itâ€ötime to unlock the full potential of that pocket-sized powerhouse! https://www.reast.asn.au/event/forum-night-how-to-use-your-nanovna/ 73, REAST Committee -------------------------------- September Presentation Night How to use the RSGB EMR Calculator https://www.reast.asn.au/event/how-to-use-the-rsgb-emr-calculator/ Join us for an insightful REAST presentation night on September 24th, 2025, starting at 7:30 PM at the Queen's Domain Clubrooms, as we explore the practical application of the RSGB Electromagnetic Radiation (EMR) Calculator. This powerful tool enables amateur radio operators to model common antennas in typical household backyards, providing essential calculations for power, antenna type, and spatial arrangements. The EMR Calculator generates exclusion zones and other important parameters to ensure that your setup complies with safety standards, particularly when operating high-power systems. This presentation is especially relevant for those considering high-power experimental licences. Phil VK2ASD from the WIA Education Committee, along with Justin VK7TW, will guide you through the process of using the EMR Calculator, offering real-world examples and practical tips. Whether youâ€Öre a beginner or experienced operator, this session will help you understand how to apply the tool effectively when submitting applications for high-power experimental licences, ensuring your station meets safety and regulatory requirements. The event will be held in person at the Queen's Domain Clubrooms and streamed live on the REAST YouTube Channel, allowing all members to participate regardless of location. Donâ€Öt miss out on this opportunity to enhance your knowledge and ensure your amateur radio operations are both safe and compliant. https://www.reast.asn.au/event/how-to-use-the-rsgb-emr-calculator/ 73, REAST Committee -------------------------------- REAST Training and Assessment Update https://www.reast.asn.au/information/amateur-licence-assessments/ Congratulations to our five Foundation candidates who all passed their assessment last weekend. Please welcome the new callsigns appearing that are popping up on the repeater. Are you looking to join the world of amateur radio or upgrade your license? REAST has you covered with regular Training and Assessment Days for all license levels! Key Dates: Standard, Advanced, and Regulations Assessments: Held on alternate months, next is on 20th September 2025. Foundation Training and Assessment Days: Held every two months with the next one on 25th October 2025. Stay updated with the full schedule on the REAST Events Page. https://www.reast.asn.au/news-events/upcoming-events/ Do you need to secure your spot or ask a question - email: reast.assessor@gmail.com and your inquiry will go directly to the Learning Organiser, who be in contact. If you are coming along to next weekâ€Ös Training and Assessment day and you havenâ€Öt let Reg know then please do ASAP as we have to get together the assessment packs. We have learning resources available including our Foundation Licence Training Videos that are a must-watch for beginners. Find them on the REAST YouTube Training and Assessment Playlist. https://www.youtube.com/playlist?list=PLsnsP_zjw831mdC6sY4XqavRUY-53ZWUn Practice Makes Perfect so, prepare with the WIA Foundation Trial Exams and the link can be found on the email edition of the broadcast. https://www.wia.org.au/licenses/foundation/onlineexams/foundation.php Whether you're starting your journey or leveling up, REAST is here to guide you every step of the way. 73, Reg, VK7KK -------------------------------- Regular VK7 gatherings and events over the coming months: VK7 Regular gatherings: Sewing Circle Net â€“ Daily on 3.640MHz commences at 6:30pm AEST. Statewide SSTV Net - held every Thursday night via the North/South Link on VK7RAF/VK7RJG from 7:30pm. In the North and North West - VK7RJG on 438.55 -7MHz and in the South - VK7RAF (146.650 -600kHz) CTCSS tone 141.3Hz to link RAF North-South. Plus VK7AX International SSTV Gateway connected to VK7RJG for the duration of the net. State-wide â€“ MICROWAVE QSO Party â€“ following the Sunday broadcast call-back on 1296.15 MHz FM. One group in the greater Hobart area and another in the greater Launceston area. Then North-south digital contacts on 1296.2MHz using Q65-60B. Stations in the Launceston area transmitting on the odd minute. Southern stations on the even minute. REAST - WAGs - Wednesday Afternoon Group from 12 noon in the REAST Clubrooms Queenâ€Ös Domain. REAST - WEGs - Wednesday Experimenterâ€Ös Group on the third, fourth & fifth Wednesday nights of the month from around 6pm in the REAST Clubrooms Queenâ€Ös Domain and streamed. REAST - 6m AM Net on 53.1MHz Everyday from 4:30pm SOTA/WWFF Group â€“ Meeting Mondays and Fridays 10.30-12.00 midday at Glebe Gardens Cafe, Henry St, Launceston. NTARC TestNet and TechNet session - Every Wednesday, TestNet/CW course on 3.580MHz from 7 pm, then a TechNet on 3.567MHz from 7.30 pm till 8.30 pm. Your host for the evening is Nic VK7WW. NTARC Technical night session - Wednesday 17th September from 6.30 pm at the Club Room Archer Street, Rocherlea. NTARC Coffee Mornings are held every Friday in the NTARC Club rooms. Time is from 10am to noon in the Rocherlea Clubrooms. NW VK7 â€“ Wednesday from 8:00pm local â€“ NW Tassie Amateur Repeater Group Net on 2M VK7RMD and Allstar Node 56780 NW VK7 - Thursday commencing at 8:30pm local - N.W. Tassie 2m DX Net 144.190 USB VK7 Events: REAST - 10th September - How to get the most from your NanoVNA Forum Night from 7:30pm in the QD clubrooms and streaming. REAST - 24th September - How to use the RSGB EMR Calculator with Phil VK2ASD - in the clubrooms and streamed. VK7 - 15th November - Miena Hamfest - Community Hall Miena from 10am -------------------------------- A reminder to those people rostered for next weekâ€Ös broadcast: Newsreader: VK7TW Repeaters: REAST, NTARC and in the NW thanks to NWTARC, WCRG, NWCRRA, VK7AX, VK7JH and VK7DC 160m: VK7GS 80m: VK7ALH 40m: VK7JGD 20m: VK7DG 10m: VK7VKT UHFCB24: VK7FMAC HFCB24: VK7SME DMR: Talk Group 5 and D-Star Reflector 91C - Digital Group -------------------------------- A huge thank you to all people and organisations that assisted with this broadcast. -------------------------------- That wraps up this week's edition of the VK7 Amateur Radio News. We hope you found it informative and enjoyable? You've been listening to VK7WI, or if youâ€Öve just tuned in, you've just missed our live broadcast. But donâ€Öt worry if itâ€Ös not Tuesday night then you can catch the rebroadcast on Tuesday night at 8:00pm on repeaters VK7RAA in Northern VK7 and VK7RHT and UHFCB24 and HFCB24 in the South. We encourage you to share your news, stories, and updates with us. Email your contributions to vk7arnews(at)gmail.com. For more information about the broadcast and to join the discussion, visit our VK7 Amateur Radio News Groups.IO Group. groups.io/g/vk7arnews. Remember, the deadline for submissions is 21:00 on the Friday before the Sunday broadcast. Stay tuned for callbacks on the frequency youâ€Öre currently listening to. Relay stations will use their own callsigns during this time. On behalf of the entire VK7 Amateur Radio News Team, this is Idris, VK7ZIR wishing you 73 and good DX. -------------------------------------------------------------- (Posted to the packet network courtesy Tony VK7AX)
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