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Antennas
- DL9MEU Antenna projects
- Basics for a good Antenna:``Only if you can hear it, you can work it!``Symmetric antennas save a lot of trouble.``No traps - no radials - no loading coils.
[Hits: 4738 | Votes: 38 | Rate: 8.07] - Petlowany Antennas by K6NO
- WorldRadio Article on Petlowany antennas base on this principle: if a length of wire is wound into a spiral-shaped coil and excited by a radio frequency current connected to the innermost portion of the coil, it will then, and only then, exhibit RF characteristics that closely approximate those of a resonant linear wire of the same length
[Hits: 2286 | Votes: 8 | Rate: 6.75] Antennas : 10M Antennas : 40M Antennas : 80M
- Switchable Antenna 80/160 meters band
Priority listing
- A switchable antenna for 80/160 meters by IK1ZOY. A new version of a 1/4L 80 m. dipole modified for use in 160 m. band. using it's own coaxial cable feeder to wrap a coil.
[Hits: 13517 | Votes: 6 | Rate: 5.50] - 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
[Hits: 3464 | Votes: 3 | Rate: 7.67] Antennas : Coils
- Loading Coil for 136 kHz
- Pictures of loading coils according to OK1FIG
[Hits: 937 | Votes: 0 | Rate: 0.00] - Build Your Own Coils
- A method of building coils for your home made antennas
[Hits: 3316 | Votes: 0 | Rate: 0.00] - Building Coils
- Building coils for a portable dipole using
a novel method of winding coils with weedeater cord!
By K4MMG
[Hits: 2023 | Votes: 2 | Rate: 3.00] Antennas : Homebrewing Techniques
- Easy tuning an building of traps
updated
- A new and simple method for tuning traps. You need 2-3Watt of your TRX and two homemade coupling coils by DK7ZB
[Hits: 4272 | Votes: 46 | Rate: 8.10] Antennas : Mobile
- A $20 HF mobile antenna
- A few hours of fun with PVC and wire and
you’ve got yourself a respectable road radiator. The antenna consists of little more than some PVC pipe topped by a RadioShack replacement whip antenna and a couple of coils made from a small roll of #14 house wire.
[Hits: 7840 | Votes: 4 | Rate: 8.25] - An automatically tuned 7-30MHz mobile antenna
- This is a base-loaded vertical antenna that mounts on the car's roof. The loading coil is designed as a variable inductor, with a three-legged chariot that travels up and down inside the coil, with grooved brass wheels running on the coil turns, and driven by a slotted rotor tube.
[Hits: 2996 | Votes: 2 | Rate: 1.00] Antennas : Portable
- Antenna system in a shopping trolley wally
- Multiband portable antenna system edited by Andy Foad G0FTD, consisting of an old cb antenna with it's 27Mhz matching coil, an antenna tuner, car battery and a transceiver
[Hits: 1575 | Votes: 2 | Rate: 10.00] Antennas : Sloper Antennas : Theory
- Currents in Standing-Wave Antennas
- How can the current "flowing" out of the top of a mobile loading coil be greater than the current "flowing" into the bottom of the coil?
[Hits: 426 | Votes: 0 | Rate: 0.00] Antennas : Traps
- CoaxTrap
- This program let you design of antenna trap using length of coaxial line wound as solenoid on a coil former.
[Hits: 4139 | Votes: 7 | Rate: 4.43] Antique Radios : Clubs
- The Alabama Historical Radio Society
- The alabama historical radio society - come visit our website and museum where we have a large collection of antique radios. our club does coil winding, has a large library, and a wealth of knowledge in our members.
[Hits: 231 | Votes: 3 | Rate: 7.00] Manufacturers : Antenna Parts : Aluminium Tubing
- Pierce Aluminum
- Distributor of aluminum and a manufacturer of finished aluminum products. Pierce Aluminum offers a diverse inventory and distributes a complete line of sheets, coils, plates, bars, structural shapes, tubes, pipes and extrusions in the most varied alloys and sizes possible
[Hits: 624 | Votes: 2 | Rate: 10.00] Software : Antenna analysis
- HamCalc v1.3
updated
- By G4VWL, HamCalc is collection of calculators for radio amateurs: Antenna ERP calculations.
Attenuators. Audio Filter design.Coil Winding.
Decibels. Great Circles map and calculator HF Filters HF Traps Metric conversions OP Amps
QRA Locator to Latitude/Longitude (and back)
Radio Horizon calculator Resonance Satellite orbit calculator Timer calculations (555 timer)Zener Diode calculations
[Hits: 13811 | Votes: 52 | Rate: 4.06] - TANT 136
- DOS program for calculating the performance of a T antenna. Gives loading coil info and matching plus ERP by Reg G4FGQ
[Hits: 278 | Votes: 2 | Rate: 2.50] Software : Antenna rotor control
- WEController
- This software let you to control a pair of stepper motors, for three principle jobs: coil tuner, manual tuner control and satellite rotor control
[Hits: 1237 | Votes: 0 | Rate: 0.00] Software : Circuit Design
- WINRLC
- Simple freeware tool to calculate several kinds of HF filters. Use to calculate L-C and R-C band filters and bandpasses, L-C, L-R and R-C highpasses and lowpasses, coils and capacitors.
[Hits: 4438 | Votes: 11 | Rate: 5.45] Software : Macintosh
- Mac Antenna Master
- Dipole, Yagi, Vertical, Cubic quad, Log periodic, J-pole, coil, and transmission line design package for the Macintosh
[Hits: 3903 | Votes: 1 | Rate: 1.00] Technical Reference : Homebrew Technical Reference : Receivers : Regenerative Receiver
- A good regenerative receiver
- A good SSB-CW-AM regenerative receiver with a fine tuning by moving the wooden stick with a grounded piece of PCB towards the coil.
[Hits: 2684 | Votes: 5 | Rate: 7.00]
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