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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: 4659 | 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: 2198 | Votes: 8 | Rate: 6.75] Antennas : 10M Antennas : 160M Antennas : 40M Antennas : 6M
- 8el 50Mhz / 70Mhz Dualband Yagi
- Only just over 6 foot long, a compact 8 element dualband Yagi for 6 and 4 meters band. No traps or coils, no matching required. Simple to build by G0KSC
[Hits: 398 | Votes: 1 | Rate: 2.00] - Dual Band Yagi 28Mhz and 50Mhz
Priority listing
- NO Traps or coils, NO matching required. Direct 50 Ohm feed. Easy to build and nothing else like it! Enjoy 50/28 with one feedline to a dual band high gain Yagi by G0KSC
[Hits: 1172 | Votes: 2 | Rate: 1.50] 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: 12895 | 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: 3326 | Votes: 3 | Rate: 7.67] Antennas : Coils Antennas : Mobile
- 3MA triband mobile antenna
- 3 band mobile antenna - 10m full size wave/4 whip - quick tilt-down system for 20 and 15 m loading coil change by IZ7DJR
[Hits: 765 | Votes: 0 | Rate: 0.00] Antennas : Multiband Antennas : Traps
- CoaxTrap
- This program let you design of antenna trap using length of coaxial line wound as solenoid on a coil former.
[Hits: 3924 | 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: 222 | Votes: 3 | Rate: 7.00] Manufacturers : Antennas : HF : Mobile Antennas : Screwdriver Antennas
- Hi-Q Antennas
- HF Ham Radio mobile operation antennas manufacturer, W6HIQ, HA5CMG, VE7BOC, HF mobile antennas, screwdriver antenna, coils and filters.
[Hits: 3623 | Votes: 3 | Rate: 6.33] Manufacturers : Antennas : HF : Small & Stealth Antennas
- Hy Power Antenna Company
- Full size or shortened dipoles, Single band or Multi band, Half Square Antennas, Fan Dipole Antennas, Delta Loop Antennas, Antennas completely assembled
Loading coil packages, delta loops
[Hits: 4040 | Votes: 5 | Rate: 9.00] Manufacturers : Antennas : Military
- Barker & Williamson
- Dipole antennas, unique broadband antennas, trap dipole antennas, coils, accessories for HF radio
[Hits: 13349 | Votes: 12 | Rate: 5.84] Shopping and Services : Kits and Components
- Circuit Specialists
- We specialize in pc-based data acquisition systems, test equipment, electronic components, disk on modules, choke and coils, diodes, capacitors and connectors, potentiometers, crystals, resistors, relays
[Hits: 578 | Votes: 3 | Rate: 10.00] Software : Antenna analysis
- HamCalc v1.3
- 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: 12659 | Votes: 50 | Rate: 3.90] - TANT 136
- DOS program for calculating the performance of a T antenna. Gives loading coil info and matching plus ERP by Reg G4FGQ
[Hits: 270 | Votes: 2 | Rate: 2.50] Software : Circuit Design
- HeliCoil
- Inductance calculation for single layer, air-wounded coils and helixes up to about 800 MHz. Inductance calculations accuracy is around 1%. Also, coils with maximum Q for given inductance, resonant RF chokes, PI and T resistive attenuators calculations are provided. Skin effects, radiation losses and other minor side effects are not accounted in maksimum Q factor coils calculations. Program assumes using copper (Cu) enameled or silver (Ag) plated wire. Program is writen bilingual in English and Serbian by YU1AW
[Hits: 1504 | Votes: 8 | Rate: 4.88] Software : Macintosh
- Mac Antenna Master
- Dipole, Yagi, Vertical, Cubic quad, Log periodic, J-pole, coil, and transmission line design package for the Macintosh
[Hits: 3698 | Votes: 1 | Rate: 1.00] Technical Reference : Components Technical Reference : QRP Projects : QRP CW Transceiver
- A 80/40m DDS controlled QRP CW transmitter
- JUMA-TX1 is a 5W CW transmitter for the 80/40m bands. Juha (OH2NLT) and Matti (OH7SV) have had high quality CW keying and a compact size as design goals for this project. No coils need to be wound to construct this transmitter!
[Hits: 3121 | Votes: 4 | Rate: 7.75]
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