core

114 links

OH7SV Windom baluns
Windom baluns for kilowatt range made with two ferrite toroidal cores amidon ft 140 61 ...

[ Hits: 3834 | Votes: 11 | Rating: 7.64 ]
Balun construction - problems with iron cores - G8JNJ - Martin
Lots of information and measurements relating to HF baluns and transformers constructed using Iron Powder ...

[ Hits: 2423 | Votes: 2 | Rating: 6 ]

Guanella 1:1 VHF choke balun
A model of a Guanella 1:1 VHF choke balun using a FT140-61 core

[ Hits: 3621 | Votes: 9 | Rating: 3.11 ]

A 4:1 Balun
A single core 4 1 current balun of improved performance by Chris Trask N7ZWY PDF ...

[ Hits: 21835 | Votes: 13 | Rating: 4.3 ]

T2FD, The Forgotten Antenna
The terminated tilted folded dipole T2FD is a little known antenna that performs excellently Compact ...

[ Hits: 4886 | Votes: 3 | Rating: 8.33 ]
How to make a Simple Dipole Antenna
It is very easy to create a simple 1 2 wave dipole all you need ...

[ Hits: 4059 | Votes: 7 | Rating: 6.71 ]

The K9AY Terminated Loop
A compact directional receiving antenna

[ Hits: 2469 | Votes: 5 | Rating: 6.6 ]

Hula Hoop Loop antenna
The concept of the Hula Loop came after many years of building medium wave loops ...

[ Hits: 2739 | Votes: 3 | Rating: 5.33 ]

3830 Score Submittal Forms - 3830
This site is an expansion and replacement of the original 3830 score reporting forms site ...

[ Hits: 1703 | Votes: 6 | Rating: 1.67 ]
Ham Radio Contest Score Rumors
Contest Score Rumors maintained by N7WA With space graciously donated by Scott Neader KA9FOX ...

[ Hits: 521 | Votes: 0 | Rating: 0 ]
ARRL Int. DX contest results
International ARRL DX Contest score records, phone recods

[ Hits: 611 | Votes: 0 | Rating: 0 ]

MicroMetal
Manufacture high quality low cost powder cores with a wide selection of shapes

[ Hits: 619 | Votes: 0 | Rating: 0 ]

DX-Wire
German internet shop for difficult to find components which are used by radio amateurs Antenna ...

[ Hits: 4212 | Votes: 6 | Rating: 6.67 ]

KC9L PSK
KC9L PSK is a free PSK31 program based on AE4JY s PSKCore DLL It supports ...

[ Hits: 1303 | Votes: 0 | Rating: 0 ]

SvxLink
Echo Link client for Linux and general purpose voice services system for ham radio use ...

[ Hits: 3376 | Votes: 5 | Rating: 7.8 ]

Mini Ring Core Calculator
The easy way to calculate toroid cores.

[ Hits: 2060 | Votes: 19 | Rating: 6 ]
Online Calculators for Radio & Electronic Design - JJ Johnson
Online calculators for toroid coil, air-core coil inductance, XL, XC, and more.

[ Hits: 1924 | Votes: 3 | Rating: 9.33 ]
Coil Inductance Calculator
Calculate the inductance of a single-layer, air-core coil.

[ Hits: 4535 | Votes: 24 | Rating: 5.3 ]