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Antennas : 10M
Shortened dipole for 10 & 40m bands
- A shorten Dual-Band Dipole with overall length of about 11 m. For this antenna traps are substituted by inductors, in order to cover the 10 & 40 m. Bands.
Small loop antenna for 15 and 20 meters
- A Small Transmitting Loop Antenna for 14MHz and 21MHz. This is an antenna you might consider if you have limited space by Lloyd Butler VK5BR
Dual Band 40m/17m dipole
- A center feed dual band dipole for 40 and 17 meters by W5DXP
VHF Collinear-Dipole
- 2 m. Band VHF Collinear with 2 Dipoles by sv1bsx
An antenna for 7MHz local contacts
- This article describes the design of an antenna for local contacts on 7MHz, including a simple and efficient matching system that presents a 50 ohm load to the transceiver.
Coil loaded dipole for 80 meters
- Coil loading of an 80m Dipole for restricted space.
Here's a method that may allow you to fit that 80m dipole into your suburban backyard by VK3JEG
Balun for folded dipoles
- A 1:4 balun suitable for folded dipole antennas
Double Bazooka Dipole
- The Double Bazooka Dipole is a very efficient antenna which is very quiet,and does not
require the use of a balun
Building Coils
- Building coils for a portable dipole using
a novel method of winding coils with weedeater cord!
By K4MMG
Folded dipole antenna basics
- Basic information on the folded dipole antenna
Wire Dipole for 7.05 MHz
- Inverted Vee antenna for 40m with simulation data by DF9CY
VHF/UHF Wideband Portable Dipole
- A portable dualband dipole robust and compact antenna usable for horizontal and vertical polarisation by ON6MU
Feeder Radiation
- Connecting centre fed antennas, dipoles, yagis, rhombics, loops to coaxial cable, unless care is taken, it is not difficult to end up with feeder radiation resulting in power loss and the radiation characteristics changes
Multiband Open Wire Antennas
- Why Multi-band Dipoles Need HEAVY Open Wire Line
by Tom, K1JJ
Open Wire Feed Line a second look
- Put up the longest dipole you can fit, feed it with open wire line, connect it to the balanced output of your tuner and—poof! Instant multiband antenna. Is life really that simple? By Paul Danzer, N1II
Log Periodic Dipole Antennas: TITANEX DLPD-15
- Review of the DLPD 15 is a log periodical dipole antenna with 15 elements made with state-of-the-art technology.
The Indoor spiral dipole
- An attic indoor antenna successfully implemented by N9RET by using two runs of 2-conductor wire
Traps for 40/80 m dipole
- I6DVX article on hoembrewing traps, using vetrnonite instead of common coax cable.
W3DZZ multiband dipole
- The multi-band trapped dipole is resonant on approx 3.7, 7, 14, 24 7 28.5 Mhz. The overall top length needs to be approximately 32.9 Meters
SM5HUA/B
- Voodoo beacon 28.294MHz JP80wa Uppsala Sweden
K7FFF Beacon
- FISTS Northwest K7FFF Beacon On the air at 28.287 MHz 2W to Dipole
KA0PSE Beacon
- On 28.219 Mhz it puts out a whopping 3.85 watts into an inverted V dipole at about 30 ft.
TakTenna
- Electrical half-wave dipole antenna
G4IRX/P portable operations
- A compact and portable setup with wire dipoles by G4IRX
144 MHz Amplifier using 2xGS-35B
- This 144 MHz PA is using 2xGS-35B tubes. It was build by Joel F6JMT for the Radio Club of Fontainebleau F8KTH
Searches related to
4m dipole
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