network analyzer 400ghz

Home-brew Compact 6dBi Collinear Antenna  ^pop - This page details the construction of an easy-to-make collinear 360 degrees omni-directional, vertically polarised, antenna for 802.11b/g wireless networking.

Measuring Cable Loss - Improving measurement accuracy when low-power analyzers are used.

Better Feedline Loss Measurements with Antenna Analyzers - Various publications through the years have shown how the SWR measured on a shorted (or open) feed line can be used to calculate feed line attenuation

The EZ-Tuner - The "EZ-Tuner" is a homebrew automatic legal-limit antenna tuner that covers all amateur HF bands from 160-10 meters. Using a T-network design and controlled by a BASIC Stamp BS2sx microcontroller, the EZ-Tuner will match at least a 16:1 VSWR for either unbalanced or balanced transmission lines.

A 2.4 Ghz High gain antenna  ^pop - Here is how to build a high gain antenna for 2.4 gHz wireless networks. Several hams are experimenting with these devices in an effort to build a network. It is sometimes referred to as Hinternet or HSMM.

Calgary Ladies Amateur Radio Network. - The Calgary Ladies Amateur Radio Network, known as CLAN, is an independant organization whose goal is to foster knowledge and growth within the Amateur Radio Community.

Mackenzie Highway Network - The Mackenzie Regional ARC currently Operates the VE6PRR (146.82- ) repeater. It's located approximately 15 Km North of Peace River. It is linked to the SARA system via Grande Prairie. We are currently in the process of expanding the coverage by adding number of repeater sites through out the area.

The Kamloops Amateur Radio Club - The Kamloops Amateur Radio Club is a non-profit organization that has been incorporated under the Society Act. Our organization has been building and maintaining a network of Amateur Radio mountain top repeaters to enable voice and digital communications between a number of interior communities for many years.

The Vancouver Island Trunk System - To provide a network of open Amateur radio repeaters, for general and emergency communications use, throughout Vancouver Island, surrounding waters and parts of the lower mainland on the West Coast of British Columbia Canada.

SMRA - Emergency repeater network supporting ventura county

W6SOJ SOJOURNERS - he State Of Jefferson Operators' United Relay Network and Emergency Radio Society

C.O.S.W.N. Central Ohio Severe Weather Network - Providing real-time weather spotter reports for the following counties: Delaware, Fairfield, Fayette, Franklin, Hocking, Licking, Madison, Pickaway, Ross and Union.

Madell Technology Corporation - Makers of oscilloscopes, spectrum analyzers, frequency counters, power supplies and more testi equipment products

Spectran - Cheap hand held Spectrum Analyzer

Trilithic - Broadband instruments, R and microwave components and filters, field analyzers, spectrum analyzers

W7DIN Desert Intertie Network - privately owned network of OPEN, Linked Repeaters operating in the Yuma area under the Club Callsign of W7DIN.

Israel FM repeater network - Israel repeaters list and news, Hebew repeaters

AutoRec - AutoRec is windows freeware time based automatic recorder - player for radio broadcast. Auto Recorder will record or play wav audio files, and execute batch or other executable application programs at scheduled times. The primary use for Auto Recorder is automatic, unattended recording and playback of network or other satellite-delivered radio station program material.

Networks - Calculate impedance matching networks by YU1AW

ViPEC Network Analyzer - This program intended for electronic circuit analysis (mainly for Linux). ViPEC is a powerful tool for the analysis of high frequency, linear electrical networks.

Linrad - Multiplatoform freeware DSP software. Linrad has its origin in software that was developed for 144 MHz EME CW but it is quite general and should be seen more like a kit for designing a receiver that a receiver for some particular usage. It can be used as a CW receiver with a small time delay and a fast waterfall graph. A dsp for conventional receiver to imporve signals readability, a spectrum analyzer.

Cleverscope - The PC USB mixed signal oscilloscope - Cleverscope PC based oscilloscopes, spectrum analyzers and signal generators

T-Pad / H-Pad Resistance Calculator - This calculator is designed to give resistor values for unbalanced T-pads, and for balanced H-pads.

The simple man's Spectrum Analyser - An easy to build spectrum analyzer

Homebrew Vector Network Analyser - Homebrew project of a vector network analyser VNA by N2PK