327 cool links - Pages: 1 2 3 4 [>>]

Home : Antennas : 10M

10 Meters EH Antenna   ^pop

PDF file with plans to build an eh antenna for 10 meters band by lloyd ...

Hits: 34185 | Votes: 37 | Rating: 5.3

3 Element Antenna for 28 Mhz   ^pop

The DF9CY three-element antenna for 28 MHz by Christoph Petermann DF9CY

By: DF9CY Hits: 26698 | Votes: 41 | Rating: 4.66

40 thru 10 Meter Zepp Antenna   ^pop

A modified 20 meter double zepp wire Operating Bands 40 thru 10 meters with tuner ...

By: NB6Z Hits: 87037 | Votes: 75 | Rating: 5.62

Home : Antennas : 12M

2 element Quad antenna for 10 12 15 mt   ^pop

Detailed instructions about a home made 2 element quad antenna made in diamond configuration resonating ...

Hits: 64312 | Votes: 94 | Rating: 6.49

Home : Antennas : 160M

160 meter linear loaded voltage feed T   ^pop

160 meter linear loaded voltage fed T antenna

Hits: 27976 | Votes: 7 | Rating: 6.14

80 Meters frame antenna   ^pop

Frame antenna for 80 and 160 meters band

By: SM0VPO Hits: 65325 | Votes: 92 | Rating: 6.84

A Practical Antenna for 160 Metres   ^pop

140 feet of insulated wire the first half of which 70 feet is space wound ...

Hits: 91392 | Votes: 46 | Rating: 6.47

Home : Antennas : 20M

20m delta loop   ^pop

This antenna is fed for vertical polarisation to give a low angle of radiation for ...

By: G4EZT Hits: 65866 | Votes: 69 | Rating: 6.71

Home : Antennas : 20M : 20 meter Yagi antennas

2-Element-Yagis for HF   ^pop

2 Element parasitic Yagis for the Shortwave Bands 10 12 15 17 20 30m The ...

Hits: 50200 | Votes: 147 | Rating: 7.07

3 Element Yagis Antennas for HF   ^pop

All these plans use the DK7ZB match

Hits: 27689 | Votes: 70 | Rating: 4.91

Home : Antennas : 2M

2 meter Quagi 97   ^pop

Dimensions and plan to build a W5UN EME quagi antenna

Hits: 33957 | Votes: 44 | Rating: 6.31

43 element Yagi for 2 mt.   ^pop

43 Element Yagi for 144.200 MHz by VE7BQH

Hits: 27992 | Votes: 28 | Rating: 6.42

7 Elements YAGI for 144 Mhz   ^pop

The QM7 antenna is a simple 7 elements Yagi with 3 7 m boom length ...

Hits: 42881 | Votes: 51 | Rating: 5.85

8 Element Quad for 145 Mhz   ^pop

8 elements quad antenna for 2 meters band, centered on 145 Mhz

Hits: 30305 | Votes: 105 | Rating: 5.81

9 element yagi for 2 meters band   ^pop

A simple design of a 9 elem. yagi antenna for 2 meters band

Hits: 53584 | Votes: 264 | Rating: 5.24

A 146 Mhz J-Pole Antenna   ^pop

A 2 meter 146 Mhz J Pole antenna that is inexpensive and easy to build ...

By: WB8ERJ Hits: 116017 | Votes: 191 | Rating: 4.85

A portable 2-element VHF yagi   ^pop

Build a portable VHF yagi antenna for 2 meters All you need is two rabbit ...

By: K3MT Hits: 28724 | Votes: 27 | Rating: 7.26

Build a 2 Meter 5/4 Wave Antenna   ^pop

This antenna is unique in that it is enclosed entirely in 3/4" PVC

By: N1HFX Hits: 37304 | Votes: 24 | Rating: 5.91

Home : Antennas : 40M

40m/80m Portable antenna   ^pop

Portable wire antenna for 40 and 80 meter made with a RF Chocke Can be ...

By: VK5AH Hits: 61683 | Votes: 29 | Rating: 5.96

Home : Antennas : 40M : 40 meter Magnetic Loop Antennas

A magnetic loop antenna for HF   ^pop

Able to cover all frequencies between 3 5 and about 10 MHz the loop described ...

By: VK3YE Hits: 101149 | Votes: 46 | Rating: 6.74

Home : Antennas : 40M : 40 meter Vertical Antennas

A portable 10/20/40 mt vertical antenna   ^pop

A portable vertical antenna for 10 to 40 meters designed for mobile operations can be ...

By: IK4DCS Hits: 82066 | Votes: 55 | Rating: 5.01

Home : Antennas : 6M

50 Mhz Dipole   ^pop

This article describes a simple but effective wide bandwidth six metre antenna

Hits: 49201 | Votes: 82 | Rating: 4.92

6 meters Delta Loop by KK5ID   ^pop

The 6 Meter Band may be dead at times but help bring it to life ...

Hits: 26249 | Votes: 5 | Rating: 3.6

A dipole for 6 meters band   ^pop

Six meters band dipole horizontal or vertical

By: K9STH Hits: 30586 | Votes: 28 | Rating: 5.35

Home : Antennas : 6M : 6 meter J-Pole Antenna

50MHz J-Pole Antenna   ^pop

Need a general purpose antenna on the magic band The J Pole is an easy ...

Hits: 33858 | Votes: 18 | Rating: 7.05

6 Meter J-Pole Antenna   ^pop

A home made J Pole antenna for 50 MHz This article describes how to build ...

By: W8CWE Hits: 65598 | Votes: 129 | Rating: 6.58

Home : Antennas : 6M : 6 meter Yagi Antennas

3 Element Yagi for Six meter band   ^pop

Plans for 3 elements beam antenna and gamma matches

Hits: 40503 | Votes: 41 | Rating: 5.51

Home : Antennas : 70cm

Build A 9dB, 70cm Collinear Antenna   ^pop

70cm, Collinear Antenna From Coax

Hits: 32912 | Votes: 105 | Rating: 6.87

Home : Antennas : 80M

80 Meters EH Antenna plan   ^pop

Building this antenna is very easy and inexpensive, 6 Foot EH Antenna

Hits: 42247 | Votes: 58 | Rating: 6.35

80 meters wire antenna   ^pop

A reduced size 80 meter antenna designed for small lots portable use and a fine ...

Hits: 45547 | Votes: 24 | Rating: 4.58

Home : Antennas : Antenna Calculators

A Simple 7 element Yagi calculator   ^pop

A JavaScript to calculate the dimensions for a seven element Yagi-Uda Antenna

Hits: 26491 | Votes: 416 | Rating: 6.37

Amateur Vertical Antenna Calculator   ^pop

This basic calculator is designed to give the aproximate length height of a particular vertical ...

Hits: 46618 | Votes: 233 | Rating: 5.48

Bazooka Calculator   ^pop

Calculate Double bazooka for Win3/Win95 by W4BEJ

By: W4BEJ Hits: 29125 | Votes: 141 | Rating: 4.93

Home : Antennas : Baluns

Balun construction   ^pop

PDF files describing how to homebrew a 1:2.5 balun

Hits: 26919 | Votes: 41 | Rating: 6.71

Balun for HF wire antennas   ^pop

Schema of a self made balun used to match randmon wire antennas mainly for shortwave ...

Hits: 36380 | Votes: 23 | Rating: 5.66

Balun Theory   ^pop

The word balun means balanced unbalanced it s used to adapt a balanced device to ...

By: g4urh Hits: 38209 | Votes: 34 | Rating: 6.59

Baluns: theory and projects   ^pop

All about baluns with photos, projects and instructions, by IZ7ATH

By: Talino Hits: 54119 | Votes: 48 | Rating: 6.01

Home : Antennas : Baluns : 1 to 1 Balun

A 1:1 Coaxial Balun   ^pop

PDF article about a coaxial 1 1 balun original concept by I4BBE using a quarter ...

Hits: 44509 | Votes: 30 | Rating: 7.22

Home : Antennas : Bazooka

Build a bazooka dipole   ^pop

Build Your Own Bazooka Dipole: A VHF/UHF vertical dipole made from coax

Hits: 55218 | Votes: 35 | Rating: 6.18

Build a Double Bazooka HF antenna   ^pop

Build a double bazooka coaxial dipole, broad-band dipole antenna

Hits: 34430 | Votes: 29 | Rating: 4.76

Home : Antennas : Beverage

A $50 Beverage   ^pop

This antenna makes 80 and 160 enjoyable Less than 50 to hear Europeans all summer ...

Hits: 40335 | Votes: 23 | Rating: 6.55

Home : Antennas : Collinear

5/8 Collinear antenna   ^pop

A 5/8 wave stacked j-pole antenna plan

Hits: 63418 | Votes: 110 | Rating: 4.51

6dB colinear VHF antenna   ^pop

Building details of a VHF colinear antenna with 6 db gain

By: simone70 Hits: 63613 | Votes: 108 | Rating: 5.52

Build a 2.4GHz Vertical antenna   ^pop

Building a 2.4GHz vertical collinear omnidirectional antenna

Hits: 77487 | Votes: 118 | Rating: 6.27

Home : Antennas : Delta loop

40 Meter Parasitic Delta Loop   ^pop

40 Meter 2 element full size parasitic delta loop wire beam construction and switchable ...

By: Chuck Stigberg Hits: 32958 | Votes: 37 | Rating: 6.07

Home : Antennas : Feed Lines

A T-Match ATU   ^pop

An homebrew antenna tuner project

Hits: 31565 | Votes: 22 | Rating: 5.91

Home : Antennas : Halo

6 meter omni halo   ^pop

This halo antenna for 50 MHz is made with a true Gamma Section this time ...

By: KB1DIG Hits: 38260 | Votes: 30 | Rating: 7.12

Home : Antennas : Helical

13 cm Helix Antenna   ^pop

Here is the design of a 2 4 GHz antenna that is ideal for amateur ...

Hits: 65594 | Votes: 92 | Rating: 6.12

2.4GHz Helix antenna   ^pop

Concise instructions on making a broadband helical antenna for 2 4GHz use such as 802 ...

Hits: 51028 | Votes: 111 | Rating: 6.16

Home : Antennas : J-Pole

144-430 portable j-pole antenna   ^pop

A portable dual band j-pole antenna

Hits: 45664 | Votes: 35 | Rating: 5.49

2 Meter J-pole from 450-Ohm Ladder Line   ^pop

Great first time J pole project Covers most of the basics This small and thin ...

By: KB1DIG Hits: 43440 | Votes: 49 | Rating: 7.04

A J-Pole for 2-meters and 70-cm   ^pop

An Easy Dual Band VHF UHF vertical Antenna made with a TV twin lead and ...

By: KD6GLF Hits: 104034 | Votes: 136 | Rating: 6

Home : Antennas : Loop

160 meter full wave loop antenna   ^pop

The antenna is a 10 160 meter horizontal loop fed with 450 ohm ladder line ...

By: K4QKY Hits: 97967 | Votes: 122 | Rating: 6.48

A Small Wire Loop Antennas for 160 meters   ^pop

Low noise receive only coax loop antennas for 160 10 meters HF bands ...

Hits: 49497 | Votes: 12 | Rating: 6.34

AM Antennas   ^pop

The ultimate AM loop antenna article It is the only article that includes the calculations ...

Hits: 56584 | Votes: 69 | Rating: 6.31

Home : Antennas : Magnetic Loop

160/80m Coaxial Receiving Loop Antennas   ^pop

Receiving loop antenna for top band This antenna allow to reduce noise on both bands ...

Hits: 65239 | Votes: 61 | Rating: 5.89

A magnetic loop antenna   ^pop

Magnetic loop antenna by GM3MXN

Hits: 32460 | Votes: 23 | Rating: 5.42

A Small Loop Antenna for Forty Meters   ^pop

Article on a small magnetic loop antenna for forty meters band by Ben Smith ...

By: W4KSY Hits: 26905 | Votes: 8 | Rating: 5

Home : Antennas : Mobile

Antennas for HF mobile operation   ^pop

The following description should give you guidance on how to build a mobile antenna for ...

Hits: 90398 | Votes: 80 | Rating: 5.12

Home : Antennas : Multiband

6-Band Windom antenna   ^pop

Theory and construction of a novel trapless center loaded off center fed cl ocf dipole ...

By: ON4AA Hits: 50736 | Votes: 46 | Rating: 6.89

Home : Antennas : Portable

A Portable Multi-Band Magnetic Loop Antenna   ^pop

Described here is a simple multi band magnetic loop antenna designed for 20 30 and ...

By: G4FON Hits: 34710 | Votes: 12 | Rating: 6.33

Home : Antennas : Quad

Boomless quad antenna   ^pop

VU2GX Girimajij article on boomless quad antennas

Hits: 35339 | Votes: 9 | Rating: 6

Home : Antennas : Theory

Antenna basics   ^pop

Basics by From Ian C. Purdie, VK2TIP

Hits: 39817 | Votes: 37 | Rating: 5.13

Home : Antennas : Vertical

5/8 Wave Vertical Antenna Calculator   ^pop

Design your own 5 8 wave vertical antenna A simple jscript calculator at Antenna Elmer ...

Hits: 28034 | Votes: 229 | Rating: 5.1

7 MHz Vertical antenna   ^pop

7 MHz Vertical antenna for ham radio band of 40 meter text in spanish and ...

By: PY1BEK Hits: 34666 | Votes: 99 | Rating: 8.37

80 and 40 Meters vertical antenna   ^pop

This is a custom home made antenna based on concept of commercial HF antennas that ...

By: EI7BA Hits: 38273 | Votes: 25 | Rating: 5.89

9 band vertical HF antenna by RW3XA   ^pop

Simple vertical radiator with matching box No traps no tuner required for this multiband antenna ...

By: RW3XA Serge Hits: 38829 | Votes: 43 | Rating: 7.34

A low cost fishing pole vertical antenna   ^pop

This antenna is based on a 10 Metre long fibreglass fishing pole

By: G4AON Hits: 25719 | Votes: 52 | Rating: 7.19

Antenna for deed restricted lots   ^pop

An effective 10 20m DX antenna for deed restricted lots The article by K7ZB introduces ...

By: K7ZB Hits: 56419 | Votes: 13 | Rating: 6.46

Home : Antennas : WiFi

2.4 Ghz double quad antenna   ^pop

An easy to build compact antenna for wireless lan applications that offers a reasonable amount ...

Hits: 27924 | Votes: 83 | Rating: 5.17

2.4GHz Cubic Quad Antenna   ^pop

The Cubic Quad antenna is a commonly homemade antenna in the range of about 150 ...

By: WIFI Hits: 37213 | Votes: 70 | Rating: 5.46

2.4GHz Short Backfire Antenna   ^pop

My short backfire antenna for 2.45ghz by carl rabe - g6nlc

Hits: 27232 | Votes: 27 | Rating: 6.07

43.33 Km LOS with USB WiFi stick   ^pop

Simple USB 802 11b WiFi adapter with original antenna used for this 27 miles long ...

Hits: 51161 | Votes: 103 | Rating: 5.64

802.11b Homebrew WiFi Antenna Shootout   ^pop

Guide to homebrew your wifi antenna using a tin can in this cases using a ...

Hits: 71730 | Votes: 62 | Rating: 6.59

A 2.4 Ghz High gain antenna   ^pop

Here is how to build a high gain antenna for 2 4 gHz wireless networks ...

Hits: 61465 | Votes: 91 | Rating: 5.53

Home : Antennas : Wire

40m Short Antenna   ^pop

GM4JMU shortened dipole for 40 meters band This article illustrates in detail how to build ...

By: GM4JMU Hits: 27758 | Votes: 32 | Rating: 5

Home : Ham Radio : Band Plans

Amateur Radio Band Plan Layout   ^pop

Free downloadable band plans layouts ready to print in pdf format by C Gustave Sandberg ...

By: W1CGS Hits: 53109 | Votes: 156 | Rating: 7.16

Home : Internet and Radio : Police Scanners

Baltimore City Live Police Scanner Radio Feed   ^pop

Listen to the Baltimore City Police Live Scanner Radio Feed.

By: Roy Wood Hits: 26399 | Votes: 111 | Rating: 6.68

Boston   ^pop

by Scanboston.com

Hits: 37683 | Votes: 137 | Rating: 5.52

Home : Manufacturers : Antenna Masts and Mounts

ACOM   ^pop

ACOM international manufacturer of HF power amplifiers HF Antennas Antenna tuners Switches and Crankup masts ...

By: Acom Hits: 27313 | Votes: 18 | Rating: 6.89

Home : Manufacturers : Antenna Switches

Ameritron   ^pop

Manufacturer of amplifiers antenna switches antenna Tuners wattmeters and relay buffers amplifier accessories antennas and ...

By: Ameritron Hits: 42460 | Votes: 24 | Rating: 6.5

Home : Manufacturers : Wattmeters

Alpha Linear Amplifiers   ^pop

RF Concepts manufacturer of Alpha Linear Amplifiers amateur radio RF power amplifiers commercial power amplifiers ...

Hits: 26448 | Votes: 21 | Rating: 7.8

Home : Operating Aids : Beginner's Guides

Beginners Guide to Ham Radio   ^pop

What is Amateur Radio ?. Things you can to do with amateur radio.

Hits: 27823 | Votes: 30 | Rating: 5.56

Home : Operating Aids : Distance & Bearing

Amateur Radio Map   ^pop

Create a Ham Radio Az Map on the fly, various dimension available

Hits: 29971 | Votes: 302 | Rating: 6.19

Home : Operating Modes : Mobile : Bicycle

2 Meters Bicycle Antenna   ^pop

2 Meter Antenna for Bicycle Mobile Operation

Hits: 41511 | Votes: 34 | Rating: 3.94

Home : Operating Modes : WiFi : Long Range WiFi

14Km 802.11B link test   ^pop

G7EYT Carl G6NLC and Neil M1NCD sucessfully completed a 14Km range check with 802 11B ...

By: G7EYT Hits: 39853 | Votes: 46 | Rating: 5.35

Home : Radio Scanning : Regional : Australia

Australian Radio Frequency Allocations   ^pop

Large aurtralian radio frequency charts collection

Hits: 28631 | Votes: 79 | Rating: 5.14

Home : Shopping and Services : Marine Radio

Atlantic Ham Radio Ltd.   ^pop

Canada s premier amateur radio shortwave radio scanner CB marine and aircraft radio store A ...

By: Not applicable Hits: 28156 | Votes: 39 | Rating: 5.88

Home : Software : Antenna analysis

4NEC2 antenna modeler   ^pop

4nec2 is a completely free Nec2 Nec4 and windows based tool for creating viewing optimizing ...

By: Arie Hits: 30190 | Votes: 131 | Rating: 7.32

Home : Software : APRS

APRS Point   ^pop

APRSPoint is an implementation of the latest APRS standard with high quality map support With ...

Hits: 28335 | Votes: 27 | Rating: 4.59

Home : Software : Legacy Systems : MS DOS

Antenna Maker   ^pop

Antenna design program for Quads Yagis Inverted Vees J poles Trap Dipoles and more for ...

Hits: 80678 | Votes: 155 | Rating: 6.21

Home : Software : Morse Code Decoders

59+ CW   ^pop

Freeware Win32 application can be used for sending CW signal to the transceiver over a ...

By: Stan EI6DX Hits: 25353 | Votes: 36 | Rating: 5.66

Home : Software : Spectrum analyzers

Analyzer2000   ^pop

Superfast analyzer for audio and radio signals Examining radio signals is the original idea of ...

Hits: 106899 | Votes: 47 | Rating: 5.83

Home : Technical Reference : Amplifiers

A low cost 600 watt ultra-linear amplifier   ^pop

This compact little amplifier is the brain child of Pat Murdoch ZL1AXB in Auckland New ...

Hits: 32238 | Votes: 28 | Rating: 6.72

Home : Technical Reference : Amplifiers : HF Amplifiers

1.5 to 30 Mhz RF Amplifier   ^pop

This high range amplifier is very small SB200 size Vacuum variable input and output caps ...

By: Gerry King Hits: 53910 | Votes: 43 | Rating: 3.82

600 Watt HF Amplifier   ^pop

Schematics plans by K9GDT and all infos to build a 600 Watt HF Amplifier The ...

By: K9GDT Hits: 70487 | Votes: 128 | Rating: 4.49

Home : Technical Reference : Audio

Audio spectrum analyzer   ^pop

Analyzes audio from 10 Hz to 20 kHz input from microphone or wave file Variable ...

By: WD6CNF Hits: 30338 | Votes: 55 | Rating: 3.77

Audio Spectrum Analyzer - OscilloMeter   ^pop

Audio Spectrum Analyzer for Real time FFT OscilloScope Frequency counter voltmeter noise and distortion meter ...

By: Oleg Ya. Shmelyoff Hits: 89896 | Votes: 329 | Rating: 6.21

Home : Technical Reference : Mic wiring

11 Most Popular MIC Wiring Diagrams   ^pop

11 most popular MIC wiring diagrams including AZDEN Alinco Icom Kenwood Yaesu Astatic Cobra Sadelta ...

By: xoomer Hits: 108108 | Votes: 195 | Rating: 5.46

About Mic-wiring   ^pop

Kenwood Alinco and Icom amateur radio transceivers - Mic Wiring diagrams by pictures

By: IW5EDI Hits: 93873 | Votes: 17 | Rating: 6.28

Pages: 1 2 3 4 [>>]