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Since update number 2, the quality of the prototype exciter and power amplifier, has been tested using professional test equipment.
These tests used both an unmodulated CW carrier, and a 7.6 MHz wide modulated spectrum, both centred on 506 MHz.
Both items performed better than expected and did not require any adjustment.
We are now working on getting the antenna system ready for the CW test transmissions.
Congratulations to the overall winner, ZL2ADU, for an outstanding result, assisted by an "opening" to many VK call areas.
The ZL2AS team came second, followed closely by ZL2BKC, ZL1SWW and ZL2FAE. Our thanks go to the 65 stations that participated.
VHF-UHF FIELD DAY 2012 CONTEST RESULTS
Callsign Locator Points
6 m (51 MHz)
ZL2AS RE89et 13
2 m (144 MHz)
ZL2ADU RF60wn 4489
ZL2AS RE89et 681
ZL2FAE RE78lx 426
ZL2BKC RE78kt 345
ZL1SWW RF72mt 304
ZL2TGQ RE78js 7
70 cm (432 MHz)
ZL2BKC RE78kt 367
Update number 1, as at 21st January, was published in January Q-Bit magazine, recently posted to members.
In summary, the update included a block diagram of the digital test system and discussed the various factors influencing the quality of the radiated transmission, such as the exciter quality, adjustment of the power amplifier, and the impedance matching of the output filter and antenna.
The Trading Table Manager has updated the main listing, effective January 2013. Look for new bargains from our comprehensive stocks of useful bits and pieces at:
Wellington Wander Search has continued to deploy pendants (beacons) to users in the Wellington area. They are all in the northern suburbs of Wellington (so far) but the list of candidates is growing.
WWS have reported that they are keen to move tracking equipment to Porirua, the Kapiti Coast and the Wairarapa if funding and local support is found. The Trustees are looking to recruit AREC members with good links to their local LandSAR groups to initiate the local groups.