Ham Radio

325 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 ...
  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 - Votes: 40 | Rating: 4.73
• 40 thru 10 Meter Zepp Antenna  ^pop
  
  A modified 20 meter double zepp wire Operating Bands 40 thru 10 meters with tuner ...
  By NB6Z - Votes: 74 | Rating: 5.56

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 ...
  Votes: 94 | Rating: 6.49

Home : Antennas : 160M

• 160 meter linear loaded voltage feed T  ^pop
  
  160 meter linear loaded voltage fed T antenna
  Votes: 7 | Rating: 6.14
• 80 Meters frame antenna  ^pop
  
  Frame antenna for 80 and 160 meters band
  By SM0VPO - 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 ...
  Votes: 45 | Rating: 6.59

Home : Antennas : 20M

• 20m delta loop  ^pop
  
  This antenna is fed for vertical polarisation to give a low angle of radiation for ...
  By G4EZT - 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 ...
  Votes: 146 | Rating: 7.08
• 3 Element Yagis Antennas for HF  ^pop
  
  All these plans use the DK7ZB match
  Votes: 69 | Rating: 4.94

Home : Antennas : 2M

• 2 meter Quagi 97  ^pop
  
  Dimensions and plan to build a W5UN EME quagi antenna
  Votes: 43 | Rating: 6.22
• 43 element Yagi for 2 mt.  ^pop
  
  43 Element Yagi for 144.200 MHz by VE7BQH
  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 ...
  Votes: 50 | Rating: 5.83
• 8 Element Quad for 145 Mhz  ^pop
  
  8 elements quad antenna for 2 meters band, centered on 145 Mhz
  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
  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 - Votes: 190 | Rating: 4.86
• A portable 2-element VHF yagi  ^pop
  
  Build a portable VHF yagi antenna for 2 meters All you need is two rabbit ...
  By K3MT - 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 - 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 - 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 - 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 - Votes: 55 | Rating: 5.01

Home : Antennas : 6M

• 50 Mhz Dipole  ^pop
  
  This article describes a simple but effective wide bandwidth six metre antenna
  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 ...
  Votes: 5 | Rating: 3.6
• A dipole for 6 meters band  ^pop
  
  Six meters band dipole horizontal or vertical
  By K9STH - 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 ...
  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 - 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
  Votes: 40 | Rating: 5.57

Home : Antennas : 70cm

• Build A 9dB, 70cm Collinear Antenna  ^pop
  
  70cm, Collinear Antenna From Coax
  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
  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 ...
  Votes: 24 | Rating: 4.58
• Build A Magnetic Loop  ^pop
  
  Documents and schema on how to build a Magnetic Loop Antenna fo 80 30 mtrs ...
  By Neil Lowson - Votes: 12 | Rating: 6.76

Home : Antennas : Antenna Calculators

• A Simple 7 element Yagi calculator  ^pop
  
  A JavaScript to calculate the dimensions for a seven element Yagi-Uda Antenna
  Votes: 414 | Rating: 6.39
• Amateur Vertical Antenna Calculator  ^pop
  
  This basic calculator is designed to give the aproximate length height of a particular vertical ...
  Votes: 231 | Rating: 5.49
• Bazooka Calculator  ^{updated  pop}
  
  Calculate Double bazooka for Win3/Win95 by W4BEJ
  By W4BEJ - Votes: 141 | Rating: 4.93

Home : Antennas : Baluns

• Balun construction  ^pop
  
  PDF files describing how to homebrew a 1:2.5 balun
  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 ...
  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 - Votes: 34 | Rating: 6.59
• Baluns: theory and projects  ^pop
  
  All about baluns with photos, projects and instructions, by IZ7ATH
  By Talino - 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 ...
  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
  Votes: 35 | Rating: 6.18
• Build a Double Bazooka HF antenna  ^pop
  
  Build a double bazooka coaxial dipole, broad-band dipole antenna
  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 ...
  Votes: 23 | Rating: 6.55

Home : Antennas : Collinear

• 5/8 Collinear antenna  ^pop
  
  A 5/8 wave stacked j-pole antenna plan
  Votes: 110 | Rating: 4.51
• 6dB colinear VHF antenna  ^pop
  
  Building details of a VHF colinear antenna with 6 db gain
  By simone70 - Votes: 108 | Rating: 5.52
• Build a 2.4GHz Vertical antenna  ^pop
  
  Building a 2.4GHz vertical collinear omnidirectional antenna
  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 - Votes: 37 | Rating: 6.07

Home : Antennas : Feed Lines

• A T-Match ATU  ^pop
  
  An homebrew antenna tuner project
  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 - Votes: 29 | Rating: 7.33

Home : Antennas : Helical

• 13 cm Helix Antenna  ^pop
  
  Here is the design of a 2 4 GHz antenna that is ideal for amateur ...
  Votes: 90 | Rating: 6.04
• 2.4GHz Helix antenna  ^pop
  
  Concise instructions on making a broadband helical antenna for 2 4GHz use such as 802 ...
  Votes: 111 | Rating: 6.16

Home : Antennas : J-Pole

• 144-430 portable j-pole antenna  ^pop
  
  A portable dual band j-pole antenna
  Votes: 33 | 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 - 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 - 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 - 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 ...
  Votes: 11 | Rating: 6.82
• AM Antennas  ^pop
  
  The ultimate AM loop antenna article It is the only article that includes the calculations ...
  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 ...
  Votes: 61 | Rating: 5.89
• A magnetic loop antenna  ^pop
  
  Magnetic loop antenna by GM3MXN
  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 - 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 ...
  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 - 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 - Votes: 12 | Rating: 6.33

Home : Antennas : Quad

• Boomless quad antenna  ^pop
  
  VU2GX Girimajij article on boomless quad antennas
  Votes: 9 | Rating: 6

Home : Antennas : Theory

• Antenna basics  ^pop
  
  Basics by From Ian C. Purdie, VK2TIP
  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 ...
  Votes: 227 | Rating: 5.11
• 7 MHz Vertical antenna  ^pop
  
  7 MHz Vertical antenna for ham radio band of 40 meter text in spanish and ...
  By PY1BEK - Votes: 98 | Rating: 8.43
• 80 and 40 Meters vertical antenna  ^pop
  
  This is a custom home made antenna based on concept of commercial HF antennas that ...
  By EI7BA - 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 - 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 - 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 - 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 ...
  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 - Votes: 70 | Rating: 5.46
• 2.4GHz Short Backfire Antenna  ^pop
  
  My short backfire antenna for 2.45ghz by carl rabe - g6nlc
  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 ...
  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 ...
  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 ...
  Votes: 91 | Rating: 5.53

Home : Antennas : Wire

• 40m Short Antenna  ^pop
  
  GM4JMU shortened dipole for 40 meters band
  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 - 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 - Votes: 111 | Rating: 6.68
• Boston  ^pop
  
  by Scanboston.com
  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 - 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 - 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 ...
  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.
  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
  Votes: 300 | Rating: 6.19

Home : Operating Modes : Mobile : Bicycle

• 2 Meters Bicycle Antenna  ^pop
  
  2 Meter Antenna for Bicycle Mobile Operation
  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 - Votes: 46 | Rating: 5.35

Home : Radio Scanning : Regional : Australia

• Australian Radio Frequency Allocations  ^pop
  
  Large aurtralian radio frequency charts collection
  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 - 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 - 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 ...
  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 ...
  Votes: 155 | Rating: 6.21

Home : Software : Spectrum analyzers

• Analyzer2000  ^pop
  
  Superfast analyzer for audio and radio signals Examining radio signals is the original idea of ...
  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 ...
  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 - 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 - 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 - 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 - 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 - Votes: 193 | Rating: 5.46
• About Mic-wiring  ^pop
  
  Kenwood Alinco and Icom amateur radio transceivers - Mic Wiring diagrams by pictures
  By IW5EDI - Votes: 17 | Rating: 6.28

Pages: 1 2 3 4 [>>]