“Make a Radio” competition

Branch 30 ran a “Make a Radio” competition suggested by Ian Scott ZL4NJ.
The following week Ian had made a working amplified TRF radio which performed very well.
It was varactor tuned (with a charge pump to bring up the tuning voltage to cover the AM band). 6 weeks were available to budding constructors ending in the Show and Tell night on Wed 24th May.

Neil ZL4UC, a Xtal set featuring a tuning cap made from baking foil with thin plastic dielectric
Kevin ZL4QD with a radio on a 1980 style “experimenters” panel
Peter ZL4LV with an early “Otago Branch” rx for 40m band (with unexpected cracks)
and a regen receiver featuring a 955 acorn valve (constructor unknown)
Terry ZL4TAE with an unfinished Xtal set in a nice wee Hammond box
Pete ZL4SA all the way from Ranfurly with a colourful 4 piece ensemble consisting of a TRF stage, a single tuned stage and the crystal set module, each inductively coupled and a final audio amp stage. This was a very interesting receiver which worked well on the local AM mitters.
And the final entry really took the cake!
Kay produced an excellent Crystal radio cake which was carefully examined by all present then chopped up and fed to the assembled crew.

A visitor on the night, Dennis Wong 9W8DEN from the Amateur Radio Club, Sarawak in East Indonesia was so impressed he made a lovely impromptu speech and presented each participant with a beautiful ARCS badge. Thank you Dennis.

The crew assembled crew declined to enter a judging round as each entry was unique and interesting in its own way (and the box of chocks did not appear)


NZART Membership Offer

Membership NZART Promo

Current Branch 30 members whose NZART membership lapsed before 31st December 2014 can re-join NZART immediately with a reduced membership subscription for the balance of the current financial year of $49-50. The offer is open until the end of July 2017.

If you fall into this category, or you know of amateurs who do, the necessary form to restore their membership is attached.


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Website Navigation + Updates

Some minor changes to the menus on the website have taken place.

‘Past Events’ have been migrated to the ‘History’ section of the website.

The ‘ZL4AA Net’ roster and the ‘Local Repeaters’ Dunedin frequencies have been promoted to the main menu to aid discoverability.

Additional ‘Recent News’ items have been added to the Homepage right hand column and the Hompage text has been updated a little.

Further links to various pages will be added (as time permits) to each top level page to aid user discovery of content on the website.

 


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Project team formed

A Project Team has been formed and they are thinking of a range of SWR sensors and an HF/6m up converter to work with cheap TV Dongles so our Branch 30 members can get a taste of SDR techniques

Anyone wishing to join the Team please contact terrythomas47 [at] gmail.com or Ian Scott arb.xfm [at] gmail.com

Click on the link below to view the presentation.

Projects Team Objectives Rev 1.0


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