ac coil37 links
Antennas : 80M
- 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: 4644 | Votes: 4 | Rating: 6.25 ]
- Loading Coil for 136 kHz
- Pictures of loading coils according to OK1FIG
[ Hits: 1300 | Votes: 1 | Rating: 3.00 ]
- 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: 9927 | Votes: 6 | Rating: 7.33 ]
- Base Loaded 160M Half-Sloper Antenna
- If you want an antenna resonoant on the 160 meters band this is a possible solution, but of course, need space.
[ Hits: 4507 | Votes: 5 | Rating: 6.20 ]
- 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: 3318 | Votes: 9 | Rating: 6.22 ]
- 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: 2740 | Votes: 1 | Rating: 10.00 ]
- 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: 875 | Votes: 2 | Rating: 10.00 ]
- Hi-Q Antennas
- HF Ham Radio mobile operation antennas manufacturer, W6HIQ, HA5CMG, VE7BOC, HF mobile antennas, screwdriver antenna, coils and filters.
[ Hits: 5429 | Votes: 3 | Rating: 6.33 ]
- 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: 5116 | Votes: 8 | Rating: 9.13 ]
- Barker & Williamson
- Dipole antennas, unique broadband antennas, trap dipole antennas, coils, accessories for HF radio
[ Hits: 15983 | Votes: 12 | Rating: 5.84 ]
- 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: 750 | Votes: 3 | Rating: 10.00 ]
- Noble Enterprises, Heli-coil Helicoil, Helicoil Insert, Helicoil Inserts, Inserts, Cutting Tools, Thread Cutting Tap, Thread Cutting Tools, Machine Tap,
[ Hits: 212 | Votes: 0 | Rating: 0.00 ]
- 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: 5192 | Votes: 13 | Rating: 5.46 ]
- 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: 1842 | Votes: 8 | Rating: 4.88 ]
- Mac Antenna Master
- Dipole, Yagi, Vertical, Cubic quad, Log periodic, J-pole, coil, and transmission line design package for the Macintosh
[ Hits: 5797 | Votes: 3 | Rating: 6.00 ]
- Online Calculators for Radio & Electronic Design
- Online calculators for toroid coil, air-core coil inductance, XL, XC, and more.
[ Hits: 1664 | Votes: 2 | Rating: 10.00 ]
- Coil Inductance Calculator
- Calculate the inductance of a single-layer, air-core coil.
[ Hits: 4084 | Votes: 24 | Rating: 5.30 ]
- Accurate Inductance Calculator
- This page allows you to calculate in the most accurate way high-Q inductor coils.
[ Hits: 1030 | Votes: 3 | Rating: 6.33 ]
- 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: 4505 | Votes: 5 | Rating: 7.80 ]
- 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: 5750 | Votes: 14 | Rating: 7.79 ]
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