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Antennas : Coils
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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] Antennas : 20M
- Homebrew Travel Antenna
- This is a low cost homebrew two band travel antenna for 20 and 40 meters. It is based on the B&W Travel Antenna concept with a telescoping whip and a loading coil
[Hits: 14456 | Votes: 11 | Rate: 6.36] Antennas : 20M : 20 meter Dipole Antennas
- Rotatable Dipoles
pop
- Portable, and shortened with loading coils rotatable dipoles for 6 meters, 20 meters and multibands.
[Hits: 31014 | Votes: 12 | Rate: 2.92] Antennas : 80M Antennas : Coils 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] - Loading inductors in mobile antennas
- Mobile antennas, loading coil current, and loaded antennas. efficiency and electrical rules.
Loading inductors used in mobile HF antennas.
[Hits: 3527 | Votes: 3 | Rate: 6.67] - 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 : Theory
- Inductors used in antenna matching networks
- Article about variometers, helipot inductors, roller inductors, binary switched inductors, Coil and Capstan by G3YNH
[Hits: 234 | Votes: 1 | Rate: 1.00] - Optimizing Inductors
- While intended mainly for antenna loading coils, this article also applies to other resonant systems, such as amplifier tank circuits.
[Hits: 345 | Votes: 1 | Rate: 10.00] Antennas : Tuners
- Link Coupled Tuner
- Legal Limit Link Coupled Balanced Tuner,for the amateur ham radio HF bands. This Tuner uses plug-in Coils sets for 40, 80, & 160 meters
[Hits: 3085 | Votes: 2 | Rate: 7.00] Manufacturers : Antenna Parts
- The KO6YD Screwdriver Antenna Memory
- The Screwdriver Antenna Memory (SAM) product is designed to enhance the mobile antenna commonly called the "Screw Driver". It replaces your current control unit and provides an automated memory feature that eliminates the visual coil tuning method commonly used.
[Hits: 1838 | Votes: 1 | Rate: 10.00] Manufacturers : Antennas
- Mr coily
- Base and mobile antennas,custom ball mounts, single, double, triple coil antennas, flat coils.
[Hits: 3189 | Votes: 124 | Rate: 8.30] 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: 3870 | 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: 4199 | Votes: 5 | Rate: 9.00] Manufacturers : Antennas : Military
- Barker & Williamson
- Dipole antennas, unique broadband antennas, trap dipole antennas, coils, accessories for HF radio
[Hits: 13774 | Votes: 12 | Rate: 5.84] Manufacturers : Antennas : VHF UHF Microwave
- W3FF Antennas Buddipole
- The Buddipole is a hi-tech, take-apart dipole designed for HF portable operations. The antenna uses a multi-band adjustable coil for all bands 40m - 2m.
[Hits: 2957 | Votes: 7 | Rate: 9.57] 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: 593 | Votes: 3 | 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] 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 : 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: 3306 | Votes: 4 | Rate: 7.75] Technical Reference : Receivers
- A 80/40m Direct Conversion HF Receiver with DDS VFO
- Juha (OH2NLT) and Matti (OH7SV) have designed JUMA-RX1, an award winning 80/40m direct conversion HF receiver with highly accurate direct digital synthesis VFO. The receiver is very compact, because it constructed using surface mount components. No coils need to be wound to construct this receiver!
[Hits: 4480 | Votes: 11 | Rate: 8.91]
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