nec antenna

159 links

YBN 28-5w - 5 Elements Yagi for 28 MHz - A 5 element yagi beam antenna for ten meters band with full dimentsions, eznec file and coax match informations for 50 ohms feed line
[ Hits: 917 | Votes: 4 | Rating: 3 ]

A shortened 20m vertical - A shortened 20m vertical antenna design made with 4Nec2
[ Hits: 1731 | Votes: 1 | Rating: 6 ]

2 Element 30 meter Yagi Antenna - Dimensions and EZNEC plots for a 2 Element 30 meter Yagi antenna with 28 Ohm featuring 4.3 dBd Gain and a 16dB F/B with a good bandwidth.
[ Hits: 914 | Votes: 2 | Rating: 6.5 ]

40-10 Delta Loop Antenna - A multi band inverted delta loop antenna project that can be used from 40 to 10 meters band with full details and analysis of antenna performances on each band, document includes EZNec reports and setup pictures
[ Hits: 16626 | Votes: 54 | Rating: 7.29 ]

40 Meters 3 element Wire Yagi - A three element wire yagi antenna for 7 MHz project plan with drawings and EZNEC model
[ Hits: 2197 | Votes: 7 | Rating: 4.71 ]

Making a good balun - The normal way to make a good balun is to wind a core with a bifilar winding about 8-10 turns, and then connect the coax to one side and the antenna to the other.
[ Hits: 499 | Votes: 0 | Rating: 0 ]

Center Connector for Dipole Antenna - This is another alternative home-brew center connector for a dipole. The parts used are common PVC accesories found at the home supply store.
[ Hits: 861 | Votes: 3 | Rating: 10 ]
Simple 20-40 m Dipole Antenna - A simple TRAP-dipole project for 20 and 40m bands includes EZNec simulations
[ Hits: 1743 | Votes: 5 | Rating: 6 ]
Bent Dipoles reference website - Antenna modeling discussions about What happens if... a dipole is bent horizontally, laterally, vertically. Zig-zag, meander, catenary curve. Effect of sag, elevation, radials. OCF off-center feed, harmonics. Includes 4NEC2 antenna models for each study.
[ Hits: 710 | Votes: 0 | Rating: 0 ]

The Balcony Mounted Magnetic Loop Antenna - A NEC Model Comparative Analysis of Physical Orientation and Performance. The small magnetic loop is a useful compromise antenna for limited space and portability. For this reason, the magnetic loop antenna is a practical high frequency antenna solution for the restricted space of apartment dwellers
[ Hits: 815 | Votes: 3 | Rating: 9.67 ]

A tilt and lay mount for a trailer hitch - How to have a way of elevating an antenna connected to the mobile rig in your car or truck.
[ Hits: 722 | Votes: 0 | Rating: 0 ]

Multi Band Slinky Doublet Antenna - An home made doblet antenna made with two Slinkys that are aproximately five meters in length connected with a twin-feed connected to a balanced ATU
[ Hits: 462 | Votes: 1 | Rating: 10 ]

Dish Antenna for 2.4 GHz Satellite Reception - Modified 80cm Offset Dish for 2.4 GHz Satellite Reception. This 50-ohm impedance antenna allows, when connected to 2.4GHz preamplifier and downconverter, to receive Amateur satellites with 2.4GHz transponders such as AO-40.
[ Hits: 319 | Votes: 1 | Rating: 5 ]

All About Antennas - A free five part series on antennas that covers many aspects of antennas, from radio wave propagation, to feed lines, type of antennas, connectors, adaptors and antenna switches by Bob Grove, publisher of Monitoring Times
[ Hits: 1179 | Votes: 3 | Rating: 7.5 ]

HyEnd Company - HyEnd is a dutch amateur radio antenna manufacturer. Makers of the popular HyEndFeed Antennas, produce Baluns, bandpass filters and selle Line isolators, coax cables and connectors.
[ Hits: 197 | Votes: 0 | Rating: 0 ]

SWR ANTENNA ANALYZER + WSPR TX - Available worldwide can be used as Arduino Shield or plug it in to you PC , or with a bluetooth adapter connect to Android. With a highly optimized software, KAI200 brings you: a. Antenna analyzer form 1 up to 200 Mhz; b. WSPR transmiter (set up by serial terminal); c. Square Wave Signal generator KAI200 is all you need for your radio whatever it is Yaesu, Icom, Kenwood or Drake and DIY projects.
[ Hits: 327 | Votes: 8 | Rating: 9.62 ]

Ameritron RCS-10 Review - Review of the Ameritron 8 Antenna Remote Coax Switch with SO-239 connectors on 120V
[ Hits: 146 | Votes: 4 | Rating: 7.25 ]

UKW-Berichte Telecommunications - On-line shop for coax cables, RF connectors, Lightning protectors, Create antenna rotators, antenna masts and mounts, amateur antennas by FlexaYagi, Tonna F9FT, ANjo-Antennen and M2 Antennas based in Eggolsheim Germany
[ Hits: 271 | Votes: 0 | Rating: 0 ]

Signal Stuff - Amateur radio parts and accessories online shop, born to support hamstudy.org and examtools.org offer super elastic signa stic antennas, sma connectors and other small parts.
[ Hits: 134 | Votes: 0 | Rating: 0 ]

AutoEZ - Automated use of EZNEC. AutoEZ is an Excel application that works in conjunction with the EZNEC antenna modeling programs and allows you to use variables to control diverse aspects of the model. You can then run multiple EZNEC test cases while AutoEZ automatically changes one or more variables between runs. Commercial version and free demo available for download.
[ Hits: 515 | Votes: 1 | Rating: 7 ]