lw antenna
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Antennas : 2M- 2 Meter Vertical Moxon
- A home made vertical polarized moxon antenna for 144 MHz, includes dimensions, antenna pattern, SWR and antenna gain plots by WB5CXC
[ Hits: 2084 | Votes: 4 | Rating: 7.5 ]
- 40m loaded dipole
- This is an short dipole for 7 MHz. Total length of this dipole is just 10 meters, 33 feet. Missing lenght is balanced by a coil made of 49 turns of a 40mm diameter pvc pipe. The use of a choke balun is recommended, as always, to adapt the unbalanced coax cable to the balanced antenna, and to prevent RF feed back along the coax shield.
[ Hits: 192 | Votes: 4 | Rating: 8.75 ]
- Shortened 80m Antenna
- An antenna for 80 meters band for those who does not have enough space to setup a halwave wire dipole that is aprox 130ft or 40 meters. The antenna is an open-wire-fed shortened dipole
[ Hits: 420 | Votes: 1 | Rating: 1 ]
- Baluns: What they do and how they do it
- Article on Baluns and how they works, what Problems are Baluns supposed to Solve, Causes of System Imbalance from ARRL Antenna Compendium by W7EL
[ Hits: 1567 | Votes: 3 | Rating: 6.7 ]
- The Helical Windom Antenna
- A marriage of the windom and slinky antennas, experimental home brew antenna by NC4TC
[ Hits: 2709 | Votes: 0 | Rating: 0 ]
- Getting The Most Out Of LowFER Antenna
- Getting the most out of LowFER transmitting antennas, designing an efficient antenna for the 1750-meter band by K0LR
[ Hits: 753 | Votes: 0 | Rating: 0 ]
- Remote Receiving Loops
- Experiments on remote receiving loops antenna by Lyle Koehler, K0LR
[ Hits: 1227 | Votes: 0 | Rating: 0 ]
- G7FEK antenna revisited
- A different implementation of the G7FEK HF multiband antenna with some adjustments and modifications
[ Hits: 489 | Votes: 2 | Rating: 7.5 ]
- Homemade Arrow Antenna
- EA4CYQ portable VHF UHF Yagi antenna designed for satellite operations.
[ Hits: 4378 | Votes: 8 | Rating: 4.75 ]
- Another Approach to Active Antennas
- Active antenna with a frequency response that is flat from 5kHz to over 30MHz
[ Hits: 4426 | Votes: 1 | Rating: 6 ]
- Compact receiving loop antenna
- A receiving loop antenna project suitable for 150-430 KHz reception by Gregg van der Sluys
[ Hits: 3540 | Votes: 1 | Rating: 5 ]
- The IOio Antenna
- The IOio antenna and the satellites, a custom portable antenna done with squares both UHF and VHF by EA4CYQ
[ Hits: 3097 | Votes: 9 | Rating: 6.67 ]
- VHF Skeleton Slot Antenna
- The skeleton slot antenna design was developed in the UK for TV use soon after WW2. This document describe and adapted version for the 2 meter band
[ Hits: 1108 | Votes: 2 | Rating: 10 ]
- Stealthy HF multi-band Antenna
- This is a design for a stealthy HF multi-band vertical wire antenna using a tree as a supportby G7AQK
[ Hits: 1534 | Votes: 0 | Rating: 0 ]
- Quarter Waves and Velocity Factor
- Coax Velocity Factor in Baluns, Does it Matter?
Test results show coaxial cable velocity factor does not always enter into stub length calculations especially in the world of Baluns
[ Hits: 208 | Votes: 0 | Rating: 0 ]
- CB Radio United Kingdom
- Meet The Breakers Cb Radio from the United Kingdon, brought to you by Colin The Head, star of Disused Railway Diaries and Colins World Of Everything, Antenna, Ham Radio and signal checks.
[ Hits: 309 | Votes: 1 | Rating: 10 ]
- WebSDR Wismar
- This WebSDR is located in Wismar in the north of Germany JO53RV and operated by Frank Goehling DO7AX. There are four RTL2823U USB dongles with three Ham It UP up-converters for 80m/40m/20m and a RTL2832U for the 2m Band. The Antenna for 80/40/20m is a 84 meters Delta Loop.
[ Hits: 379 | Votes: 4 | Rating: 10 ]
- CWS Coil Winding Specialist
- Manufacturer of transformers, inductors coils and chokes. Custom winding, EMI / RFI Filters, Antenna Windings on ferrite rod, Antenna Winding on phenolic. Any antenna coil designs.
[ Hits: 591 | Votes: 1 | Rating: 1 ]
- RFS
- Radio Frequency Systems (Formerly Celwave, Cellwave, Cablewave),Wifi antennas, duplexers.
[ Hits: 477 | Votes: 0 | Rating: 0 ]
- W9GF GAP TITAN DX Antenna Installation
- An unusual Titan DX antenna seutp, done without the standard counterpoise. This document is not an official manual, but rather a personal note to record the antenna setup with the custom wire counterpoise.
[ Hits: 471 | Votes: 2 | Rating: 9 ]
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