Search found 37 matches

by VK3AXH
Fri Jan 04, 2019 7:29 pm
Forum: 1296, Microwaves and Opto
Topic: 13cm across Bass Strait - 7th January 2019
Replies: 14
Views: 876

Re: 13cm across Bass Strait - 7th January 2019

Hello Hayden, Weather permitting I can be on Mt Buninyong near Ballarat. 2304.150 10 watts to gridpack. Keep me posted with details.

Regards Ian - VK3AXH
by VK3AXH
Sun Jul 31, 2016 11:09 am
Forum: Transceivers, Transmitters & Receivers
Topic: Icom IC-910 circuit help
Replies: 16
Views: 2289

Re: Icom IC-910 circuit help

Hi All, I have also had the same problem on both 2m and 70cm. Colin VK5DK also has had this problem and changed the driver chip and as far as I know it's now going ok again, I have purchased the chip via Icom but not yet installed it. I have however applied considerable heat to the driver pcb and so...
by VK3AXH
Tue Feb 23, 2016 1:05 pm
Forum: Silent Keys
Topic: VK3UM Silent Key
Replies: 21
Views: 4742

Re: VK3UM Silent Key

This certainly is a tragic loss and shock to the amateur fraternity. Having worked at the same establishment for a few years with Doug I always looked forward to catching up at Gippstech and as already mentioned will be a great loss to all that knew him and his work in the EME field. Vale Doug VK3UM...
by VK3AXH
Sun Feb 21, 2016 4:59 pm
Forum: Contests, Field Days, Portable Operation, JOTA, SOTA
Topic: 3.4 GHz QSO Party
Replies: 71
Views: 6064

Re: 3.4 GHz QSO Party

3.4G Activity Day. Five amateurs from the Ballarat area namely VK3KG, VK3IDL, VK3BNC, VK3KQT and VK3AXH went to Mt Buninyong with 3 setups to tryout. Overall we contacted around 15 stations each from Mt Leura near Camperdown, the broader Geelong area and East of Melbourne. The greatest distance for ...
by VK3AXH
Thu Feb 04, 2016 10:18 am
Forum: Silent Keys
Topic: SK ZL2ADU
Replies: 21
Views: 2940

SK: ZL2ADU

Advice was posted on the N0UK EME logger by ZL1RS that Harry ZL2ADU is now SK. Harry was a keen 2m EME'r that was the most regular ZL station in recent years. I had many contacts with him via
EME and also a Tropo qso in 2013. He was still very active on EME right up till the end. RIP Harry

VK3AXH
by VK3AXH
Tue Jul 07, 2015 7:59 pm
Forum: 1296, Microwaves and Opto
Topic: Ballarat 23cm Beacon VK3RMB off air
Replies: 1
Views: 258

Ballarat 23cm Beacon VK3RMB off air

Just a note to advise the VK3RMB 23cm beacon on 1296.536MHz located at Green Hill was taken off air today to upgrade the PA stage.
Will advise when back on air.

Ian - VK3AXH
by VK3AXH
Thu Apr 09, 2015 8:45 am
Forum: Contests, Field Days, Portable Operation, JOTA, SOTA
Topic: John Moyle Field Day
Replies: 52
Views: 2512

Re: John Moyle Field Day

The Ballarat Group also trying to stimulate activity for both HF and VHF sections operating from 2 different locations. The VHF and above group using Club Call VK3BML from Mt Hollowback north of Ballarat and the HF group a few km's south near the club rooms at Ballarat Airport. Regards, Ian Mc - VK3...
by VK3AXH
Sat Mar 28, 2015 6:22 am
Forum: Silent Keys
Topic: SK: VK2KU
Replies: 7
Views: 2163

Re: SK: VK2KU

Very sad news. One of AR's gentlemen.

Vale Guy.
by VK3AXH
Tue Mar 03, 2015 8:49 am
Forum: Ancillary, Test Equipment, Components & Parts
Topic: Ex VHF TV 50 volt power supply
Replies: 3
Views: 456

Re: Ex VHF TV 50 volt power supply

Thanks for the reponses so far. It is different to the 28 volt NEC supplies. The higher current 28 volt supplies ie 180amp use different pins in the centronics connector. I have one of these going and it uses pins 3 and 21. The 50 volt supply is designed to slide into the rack along side the PA modu...
by VK3AXH
Mon Mar 02, 2015 3:07 pm
Forum: Ancillary, Test Equipment, Components & Parts
Topic: Ex VHF TV 50 volt power supply
Replies: 3
Views: 456

Ex VHF TV 50 volt power supply

I'm looking for info on a NEC 3 phase 150 amp 50 volt SMPS used to power V1600/A1200 NEC TV transmitters. These can easily be converted to single phase but require a link on the control socket which has a outaide profile like a DB9 but looks like a Centronics socket. It has 14 pins ie 7 each side. A...
by VK3AXH
Thu Feb 26, 2015 1:32 pm
Forum: Contests, Field Days, Portable Operation, JOTA, SOTA
Topic: John Moyle Field Day
Replies: 52
Views: 2512

Re: John Moyle Field Day

Thanks for the input. We would be operating Saturday only at this stage with several of the guys using their own micowave gear. Between us we have 2m - 10G and using the BARG callsign VK3BML. Individuals may also use their own callsigns as well. Let's hope the wx is kind to us all for a change. Rega...
by VK3AXH
Thu Feb 26, 2015 9:15 am
Forum: Contests, Field Days, Portable Operation, JOTA, SOTA
Topic: John Moyle Field Day
Replies: 52
Views: 2512

John Moyle Field Day

Is there anyone planning to do microwave bands in VK3? Weather permitting the Ballarat Amateur Radio Group is planning to take part at least in the 6 hour from a location in the Ballarat Area possibly Mt Hollowback
by VK3AXH
Mon Feb 02, 2015 7:32 pm
Forum: EMC, Interference
Topic: Pacemaker EMR tolerance
Replies: 16
Views: 1445

Re: PACEMAKER EMR tolerance

Re Pacemakers have a look at this site:- h-e.com/blog/bill-hammett/03-11-2011/pacemakers-and-rf-exposure Steve i have had one of these devices for almost 5 years with no obvious effects. I did contact the manufacturer about arc welding and was advised that provided you take care ie lowest current an...
by VK3AXH
Sun Nov 09, 2014 5:01 pm
Forum: Contests, Field Days, Portable Operation, JOTA, SOTA
Topic: VK3 Microwave Test and Tune Day Spring 2014 9th November
Replies: 17
Views: 969

Re: VK3 Microwave Test and Tune Day Spring 2014 9th November

Congratulations again to EMDRC for another great opportunity to test and display a variety of microwave equipment from 1296MHz through to 47GHz. As always it's the chance to not only give your own gear a run but to see how others do things which gives us idea's on how to improve our own individual s...
by VK3AXH
Sat Nov 01, 2014 12:24 pm
Forum: Contests, Field Days, Portable Operation, JOTA, SOTA
Topic: VK3 Microwave Test and Tune Day Spring 2014 9th November
Replies: 17
Views: 969

Re: VK3 Microwave Test and Tune Day Spring 2014 9th November

I look forward to the EMDRC test day and will be bringing 3.4G and 5.7G equipment.

Ian Mc - VK3AXH
by VK3AXH
Fri Oct 31, 2014 7:33 am
Forum: Regulatory, Licencing & Exams
Topic: The 3.4 GHz amateur band - it's future ?
Replies: 131
Views: 9017

Re: The 3.4 GHz amateur band - it's future ?

Same letter received by me as well.
by VK3AXH
Tue Aug 26, 2014 10:12 am
Forum: Regulatory, Licencing & Exams
Topic: The 3.4 GHz amateur band - it's future ?
Replies: 131
Views: 9017

Re: The 3.4 GHz amateur band - it's future ?

Just a note to say I received an email from the ACMA having previously submitted comments to retain the 3.4G band as it is. The thread of the email was an invitation to submit further comments after being directed to all the draft statements put out by the ACMA regarding the proposed use the 3300-36...
by VK3AXH
Sun Jul 06, 2014 11:43 am
Forum: Regulatory, Licencing & Exams
Topic: The 3.4 GHz amateur band - it's future ?
Replies: 131
Views: 9017

Re: The 3.4GHz amateur band - it's future ?

Interesting comments from all the postings. The bottom line is 3.4G enthusiasts want to retain this band and the best way to do this is to submit your comments as suggested by the WIA. I see some grumblings about field day only actvity. It's not that difficult to setup a home station on the lower mi...
by VK3AXH
Sat Jul 05, 2014 11:36 am
Forum: Regulatory, Licencing & Exams
Topic: The 3.4 GHz amateur band - it's future ?
Replies: 131
Views: 9017

Re: The 3.4GHz amateur band - it's future ?

I support the retention of the 3.4G microwave band. Like all microwave bands 3.4G has it's own characteristics. Having just had my 1st contact on this band over a 132km distance I was surprised how well it performed. Microwave enthusiasts should be encouraged to setup home stations as well. I've had...
by VK3AXH
Tue Mar 25, 2014 8:07 pm
Forum: Transceivers, Transmitters & Receivers
Topic: IC-910H Weird TX issues - help please!!!
Replies: 11
Views: 1305

Re: IC-910H Weird TX issues - help please!!!

Like a lot of IC910 owners I've also had power issues on both 2m and 70cm. Each time it has failed I've resoldered the components on the small common driver pcb that provides drive for both 2 and 70 bands. The pcb is mounted on a heatsink and only has 5 components on it. The pcb is called the driver...