alan

131 links - and 2 categories

40m loaded dipole - IZ0GIF
This is an short dipole for 7 MHz Total length of this dipole is just ...

[ Hits: 196 | Votes: 4 | Rating: 8.75 ]

Loaded Quarter Wave Antenna Inductance Calculator - M0UKD
Here is a formula and calculator for creating a loaded shortened quarter wave vertical or ...

[ Hits: 163 | Votes: 0 | Rating: 0 ]

Antenna Theory : Baluns - Antenna Theory
This article describe the principles of baluns when referred to devices used to balance unbalanced ...

[ Hits: 706 | Votes: 2 | Rating: 9 ]
When and Where to Use Baluns - W4ULD
Baluns are usually used by Hams to feed dipole antennas with 50 ohm coax and ...

[ Hits: 1523 | Votes: 9 | Rating: 7 ]
Unun vs Balun - Configurations and differences - Palomar-Engineers
If you ever asked if you need an Unun or a Balun this article is ...

[ Hits: 345 | Votes: 3 | Rating: 6.67 ]
9:1 Unun Impedance Transformer - VK1AD
A 9 1 unbalanced to unbalanced unun impedance transformer based on a published design by ...

[ Hits: 196 | Votes: 1 | Rating: 4 ]

160m Inverted Delta Loop - IK1MNJ
This 160 meter Delta Loop antenna is made of Hard drawn copper wire AWG 10 ...

[ Hits: 115 | Votes: 0 | Rating: 0 ]

Chocking the End-Fed Antenna - VE3VN
Stop common mode current when transmitting with an end fed antenna Unbalanced antennas are very ...

[ Hits: 828 | Votes: 1 | Rating: 8 ]

2m Band Moxon - S21ON
Moxon is a rectangle shaped directional antenna originally designed by Les Moxon G6XN There are ...

[ Hits: 583 | Votes: 1 | Rating: 6 ]

Multi Band Slinky Doublet Antenna - M0SPN
An home made doblet antenna made with two Slinkys that are aproximately five meters in ...

[ Hits: 463 | Votes: 1 | Rating: 10 ]

Balanced Antenna Tuner - OZ1BXM
A Home made QRP tuner for 10-40 meters

[ Hits: 1095 | Votes: 1 | Rating: 10 ]
A Homebrew Z-Match Transmatch - WB3GCK
A home made antenna tuner based on the W6JJZ basic concept that atches balanced loads ...

[ Hits: 1101 | Votes: 0 | Rating: 0 ]

ZigZag Antenna - VHF/UHF unconventional antennas - DK7ZB
An unconventional antenna family the VHF UHF Zigzag Dipole Antennas Design theory and practical construction ...

[ Hits: 746 | Votes: 2 | Rating: 8.5 ]

The UnTenna - KC8AON
Multiband random wire unun unbalanced to unbalanced for use with rigs with builtin autotuners ...

[ Hits: 237 | Votes: 0 | Rating: 0 ]

VK9NT Norfolk Island 2022 - VK9NT
Chris VK3QB Luke VK3HJ and Alan VK6CQ will be active from Norfolk Island IOTA OC ...

[ Hits: 66 | Votes: 1 | Rating: 10 ]

The NZ HSMM Mesh - NZ Hams
A web site dedicated to HamNet in New Zealand

[ Hits: 262 | Votes: 1 | Rating: 10 ]

Wellington Scanner Frequencies - New Zealand - Mike Clark
Wellington Scanner Frequencies NZ Webpage with scanner frequencies for Wellington and the surrounding regions Police ...

[ Hits: 264 | Votes: 1 | Rating: 1 ]

Strictly Ham - Strictly Ham
Strictly Ham has a large retail presence in Australia and welcomes inquiries from New Zealand ...

[ Hits: 187 | Votes: 10 | Rating: 4.1 ]

RF Solutions - RF Solutions
RF Solutions is your authorised distributor of superior amateur radio products in Australia New Zealand ...

[ Hits: 582 | Votes: 1 | Rating: 1 ]

Balun_cmr Calculate common-mode impedance - VK2WB
This EXCEL Program Worksheet calculates the common mode impedance of a 1 1 Guanella current ...

[ Hits: 405 | Votes: 1 | Rating: 10 ]