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Antennas : 160M
Broadband 80/160 Meter Dipole
- An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band by K5GP
Shortened dipole for 160 meters
- A short dipole for 160 meter band by XE3RN, includes also a receive only loop antenna in spanish
W5VMs Shorty 40 Antenna
- A shortened dipole for 40 meters band by Martin E. Meserve
Dipole for 40 Meters by K4VX
- Here’s a very simple and practical way to make a short but efficient 40-meter dipole.
The K4VX Linear-Loaded Dipole for 7 MHz
Antenna Loading Coil Calculation
updated
- The calculation refers to either a loaded 1/4 wave or a loaded dipole,
Center feed insulator
- A center antenna insulator with feedline strain relief
Dipole Centre Insulator
- GM3MCK Central dipole insulator for inverted V dipoles
Broadband Dipole 2MHz o 30MHz with no ATU
- A broadband travelling wave dipole for HF bands, whose VSWR is less than 2:1 from 3 to 15 MHz and does not exceed 2.6 to 1 from 2.3 to at least 30 MHz
80-40-20 Meter Dipole antenna
- Multiband dipoles capable of operating on 80 through 6 meters band with a tuner by KJ4EX
Practical Dipole Antenna
- All about dipole antenna construction
Trap dipole for WARC bands
- Diamond W8010 Multiband Dipole Modifications
Folded Dipoles
- Theory of the classic Folded Dipole by G3TXQ
Electrically-Short Dipole Antennas
- Electrically shortened dipole antennas, article by Mark Connelly, WA1ION
Constructing simple wire antennas
- Simple wire antennas like dipoles and verticals are dead easy to make: here’s how
Designing Driven Elements in Yagi antennas
- The design and feeding of driven elements for VHF/UHF Yagi antennas , modeling, observations and some case studies by Graham Daubney F/G8MBI
Portable antenna comparison
- Common antennas for portable use compared. A vertical antenna, a dipole antenna an inverted V and a fan dipole all at same height.
The Petlowany Principle
- Spipral antenna principle by a concept of Bill Petlowany, K6NO. Tak Antennas are based on this principle, using spirals as dipole linear wires.
Dipoles versus Verticals
- One of the classic arguments in amateur radio is whether a dipole or vertical is the best antenna
Antennas 101
- Dipoles, Doublets and Verticals by Rob May NV5E
UHF VHF Folded Dipole
- Dual band 2 m and 70 cm folded colinear aerial array project by G2BCX
Vertical end Firen Antenna
- A bi-directional vertical antenna with 4db gain over a dipole.
K2JJI Tryon Amateur Radio Club
- Listen to the K2JJI repeater (146.70- PL 100.00 Hz) located on Fulton Co. NY. Coverage of grids near and around FN23/FN22.
GB Antennas and Towers
- Dutch Antenna and Tower Manufacturers from Slimline Square Triangular Round Towers.
Antennas production include Yagi Monoband/Dipole/HF Quad /50MHz and 70MHz Yagi-Quad, VHF-UHF yagi-Quad and Comby antennas VHF/UHF/SHF
Ham Radio Grid Square Locator Map
- Amateur Radio Ham Radio Maidenhead Grid Square Locator Map, by Address, Call sign or Grid Square, using google maps
GridLocW
- GridLocW a Lat/Long to Maidenhead converter for Windows with optional GPS support
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