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Antennas : 20M : 20 meter Yagi antennas
5 elements OWA Yagi for 20 meters band
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- Computer Optimized using the very latest techniques. Particle Swarm Optimisation ensures the best balance of bandwidth and performance and you have it in this antenna. An easy build antenna for all
Ground Plane antenna for 50 Mhz
- A 5/8 vertical groundplane antenna for 50 mhz
Vertical antenna for 50 MHz
- 5/8 vertical groundplane antenna for six meters band
Design & Performance of a Choke Balun
- Design & Performance of a Choke Balun and Balanced Transmission Line by G4FGQ
Magnetic Long Wire UnUn 9:1
- An impedance transformer (9:1) to feed a high impedance long wire (~450 ohm), down to a 50 ohm unbalanced coaxial input.
Inverted V
- Described is a simple inverted-V antenna which, when used with a balanced ATU, can be used on all the main Radio Amateur HF bands (80, 40, 20, 15 and 10m). The cental support is made in such a way that the wire can be coiled up for storage when the antenna is taken down.
Rolling your own balanced feed lines
- An article by VE1VQ that illustrate how to home made a balanced feed line
Homebrew Antenna Tuner
- A simple T-network that can match any unbalanced antenna system by AA5TB
6 meters band Half Wave vertical
- 1/2wave vertical antenna for the 6-meterband and a 5/8 ground plane antenna for 50 Mhz
VHF UHF Dualband vertical antenna
- Homebrew a dual band vertical antenna
VHF 5/8wave vertical antennas
- By Guy, de ON6MU, At VHF, both the 1/4-wavelength monopole and the 5/8-wavelength monopole antennas are widely used.
ZL7T
- 2009 Chatham Island, New Zealand dx pedition A multinational team of nine ZL DXers is active from Chatham Island in the South Pacific
Scouting New Zealand JOTA
- JOTA provides an excellent opportunity to meet Scouts and Guides from many countries and other parts of New Zealand.
OH0Z Online Log
- Log search for OHZ0Z OG0Z and OF0Z Aland Islands
Amateur Radio Free and Clear
- Amateur radio group of fair and balanced operators based in Kentucky having so much fun that it has to be illegal.
NZ Ham Swap
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- A Place for New Zealand Ham Radio Operators
Haredata Electronics
- Haredata Electronics is your one stop shop for Power Supplies, Chargers, Battery Packs & Accessories. Power Supplies Chargers, Battery Packs , Power Supply Accessories , Haredata Electronics Limited,
ZL Map
- New Zealand ham radio map
Experiments with a Top-loaded Vertical Aerial
- Alan Melia G3NYK and Finbar O’Connor EI0CF
PSK31 The Easy Way
- An illustrated and printable introduction to PSK 31 by by Alan J. Gibbs, VK6PG
TH-D7A Review
- The Kenwood TH-D7A dual-band data HT by Alan Crosswell, N2YGK
FeatureTech Ham Accessories
- Featuretech ham accessories. New zealand online ham store.
Signals
- Trio Datacom, Dolectek and Yaesu Vertex Standard cb and ham radio dealer in new zealand
BeSpeak
- BeSpeak is a real time HF beacon announcer. You select a band and the screen shows location, callsign and status of the beacon transmitting at that time.
5MhzLog
- This logging application has been developed to improve the accuracy of the data being captured for the 5MHz Experiment.
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