call522 links - and 2 categories
- The G4ZU Spider Beam or Skypper
- This 3 elements wire Yagi comes along in a great variety of names. On the 11 meter is calle Skypper due to the manufacturer Alex 1SD019
On Ham bands is called Spider beam or G4ZU.
[ Hits: 4817 | Votes: 21 | Rating: 4.56 ]
- The Gain of an Endfire Array
- This article looks at the maximum theoretically possible directive gain that could be obtained with an endfire array of given length or number of elements, and compares this with practical results in the literature.
[ Hits: 840 | Votes: 1 | Rating: 6.00 ]
- Weatherproof Vertical Antennas - Slim Jim
- How to make a Weatherproof Vertically Polarised Omnidirectional Aerial, The Slim Jim Antenna
[ Hits: 5060 | Votes: 4 | Rating: 5.75 ]
- HamLin Tower Project 2003
- A cooperative venture between MSUARC and Calloway County Fire and Rescue
[ Hits: 959 | Votes: 0 | Rating: 0.00 ]
- VHF/UHF Folded Diplole
- This is a two element colinear design for vertically polarized radiation. It may be constructed for use on either 2m or 70cm
[ Hits: 1052 | Votes: 0 | Rating: 0.00 ]
- GM3VLB Opertating Scottish Islands
- offering informal information on Amateur Radio operation from Scottish Islands specifically the SCOTIA, IOTA, WAB, WLH and CIsA programmes - and other schemes involving Scottish Islands
[ Hits: 374 | Votes: 0 | Rating: 0.00 ]
- Associazione Radioamatoriale Sardinia QRP Club
- First QRP Club in Sardinia Island (IS-QRP). Special Callsign IQ0QP
[ Hits: 422 | Votes: 0 | Rating: 0.00 ]
- Cloud Peak Radio and Electronics Group
- Amateur Radio and Electronics Club involving Sheridan area Hams and electronics enthusiasts. Club Call, WY7SHR
[ Hits: 149 | Votes: 0 | Rating: 0.00 ]
- Luksa Industries
- Luksa industries design and manufacture mechanically operated aluminum telescoping masts and telescoping tripods to support communications and military antennas
[ Hits: 1313 | Votes: 1 | Rating: 1.00 ]
- ARRL US Call district map
- ARRL WAS Map, Map of USA call districts by ARRL and edited by AA70A
[ Hits: 4804 | Votes: 18 | Rating: 5.45 ]
- Google Maps APRS
- APRS web map with weather, telemetry, messaging and a bulletin board. Google Maps and Google Earth views update automatically in real time. 14 languages.
[ Hits: 665 | Votes: 14 | Rating: 7.42 ]
- D-STAR Callsign Calculator
- This is a user-friendly web page based D-STAR call sign calculator that requires no installation or configuration to use.
[ Hits: 1577 | Votes: 5 | Rating: 2.00 ]
- D-Star Call Calculator
- Calculate how to set call signs
[ Hits: 480 | Votes: 1 | Rating: 1.00 ]
- Hellscreiber sample
- A sample picture of a Hellschreiber CQ call
[ Hits: 221 | Votes: 0 | Rating: 0.00 ]
- K7BON - Callsigns in Oak
- Your call sign, name or specialty item professionally crafted in oak (two thicknesses available), from a computer designed pattern and finished in up to 4 coats of Formby's Glossy Tung Oil.
[ Hits: 453 | Votes: 0 | Rating: 0.00 ]
- Master.dta Editor
- Freeware windows program by WE3NEA that allow to view and edit the Master Callsign Database file used in many contesting programs, import and export callsigns, auto-download announced DX operations.
[ Hits: 1953 | Votes: 4 | Rating: 2.25 ]
- Filtroid is an extremely easy-to-use program for synthesizing microwave filters. It can be used to design practically all filter types from audio to microwave frequencies as well as amplitude and delay equalizers and attenuators.
[ Hits: 2364 | Votes: 2 | Rating: 3.00 ]
- linSmith - Smith chart utlity
- A Smith charting program. You can enter either discrete components or transmission lines, see the results on screen and/or generate Postscript output. Component values can be changed numerically or using scrollbars.
[ Hits: 1146 | Votes: 1 | Rating: 10.00 ]
- RufzXP is an excellent free training software for improving code speed and CW practice, particularly (ultra) high speed memory copying of true amateur radio calls.
[ Hits: 10973 | Votes: 29 | Rating: 6.36 ]
- Winrad is a software program designed to implement a so-called Software Defined Radio (SDR), meant to run under Windows XP, Windows 2000, or Windows 98SE
[ Hits: 2898 | Votes: 8 | Rating: 8.25 ]
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