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coil for 2 m
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about coil for 2 m on dxzone.com
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Antennas : 10M Antennas : 160M 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: 1 2 | Rate: 2.9 2] 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: 469 | Votes: 1 | Rate: 2.00] Antennas : Antenna Calculators
- Coil Designer - Mk 2
- This page lets you do calculations for single layer air cored coils using the solenoid formula
[Hits: 18 20 | Votes: 3 | Rate: 2.33] Antennas : Baluns
- Coiled Choke Balun for HF
- A very practical Balun for HF aerial work is the choke type. It reduces RFI to and from the feeder & at next to no cost or loss.
[Hits: 1369 | Votes: 0 | Rate: 0.00] Antennas : Coils Antennas : Dipole
- Inverted V
- Described is a simple inverted-V antenna which, when used with a balanced ATU, can be used on all the main Radio Amateur HF bands (80, 40, 20, 15 and 10m). The cental support is made in such a way that the wire can be coiled up for storage when the antenna is taken down.
[Hits: 2736 | Votes: 1 | Rate: 8.00] 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: 4 27 2 | Votes: 46 | Rate: 8.10] 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: 8 20 | Votes: 0 | Rate: 0.00] Antennas : Multiband
- Do it yourself HF2V
- HF2V dimensions for all the coils and capacitors. Make your own HF2V antenna with 160 80 40 and 30 meters kits by OZ9AEC
[Hits: 1414 | Votes: 2 | Rate: 9.00] - Homemade Loaded Coil Dipole
- Homemade Loaded Coil Dipole ( w8010 diamond ) for 10, 15, 20, 40 and 80 meter
[Hits: 16 2 | Votes: 0 | Rate: 0.00] 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] 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: 1557 | Votes: 8 | Rate: 4.88] - Coil32
Priority listing
- Coil32 is a free coil inductance calculator, that allows to calculate: single layer and multi layer air core coils, toroidal air core coils, inductors on ferrite rings, in pot core, flat coils on the PCB, and also LC resonance parameters. The program have additional plugins to calculate another kinds of coils.
The application is free for usage and distributing.
[Hits: 79 | Votes: 0 | Rate: 0.00] 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]
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