Search Results for "feed"334 links - and 2 categories
Antennas : 20M
- W5GI Mystery Antenna
- W5GI Mystery Antenna is a multi-band wire antenna that performs exceptionally well even though it confounds antenna modeling software.
This antenna covers 80 to 6 meters with low feed point impedance and will work with most radios, with or without an antenna tuner. It is approximately 100 feet long, can handle the legal limit, and is easy and inexpensive to build. It is similar to a G5RV but a much better performer especially on 20 meters.
[ Hits: 118306 | Votes: 89 | Rating: 6.44 ]
- 2-Element-Yagis for HF
- 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. The antennas are feeded with the DK7ZB-match. A quarter-wave choke of coax is grounded at the socket.
[ Hits: 44269 | Votes: 133 | Rating: 7.39 ]
- The 2-Element-HB9CV-Beam
- The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV in the 1950ies. The Beam is a coax-feeded version of the ZL-Special
Construction by DK7ZB for 2m, 6m and 10m
[ Hits: 16553 | Votes: 271 | Rating: 7.26 ]
- The simplest phased array feed system that works
- How to calculate "phasing line" lengths that actually work.
[ Hits: 1808 | Votes: 4 | Rating: 6.75 ]
- The 9:1 balun
- Antenna special on hard-core-dx.com
[ Hits: 30692 | Votes: 28 | Rating: 5.28 ]
- Antenna Feed Lines for Portable Use
- Why twinlead isn't necessarily a low loss feed line.
[ Hits: 1187 | Votes: 2 | Rating: 10.00 ]
- Antenna Transmission Line Power Splitters
- Several ways of splitting power to feed two like (50 ohm terminal impedance) antennas.
[ Hits: 274 | Votes: 0 | Rating: 0.00 ]
- Choke balun
- Essentially, a choke balun is designed to 'divorce' your antenna from the feed line. if your feed line is coaxial cable then you don't want it to be part of your antenna. you want to be able to deliver all your power to the radiator itself, i.e. 'the antenna'. a choke balun does this admirably
[ Hits: 23232 | Votes: 11 | Rating: 7.27 ]
- EA6VQ - Open wire feeding and baluns
- Discussion about open wire feeding and baluns took place in the Moon-Net reflector.
[ Hits: 3884 | Votes: 3 | Rating: 7.00 ]
- HF multiband vertical Antenna
- YF1AR multiband vertical antenna, based on orginal concept by VE7BS. Consist of 6 vertical elements and 6 base radials with a single 50 Ohm feed line.
[ Hits: 1032 | Votes: 4 | Rating: 3.25 ]
- LU9DPD Windom dipole
- A multiband windom dipole antenna for 80 40 20 10 meters, feeded with a home made 4:1 balun, in spanish.
[ Hits: 4862 | Votes: 5 | Rating: 6.00 ]
- K5OE, 70 cm Quagi Antenna
- An AO-10 antenna by K5OE, this design is optimized for 436.8 mHz with a 50 Ohm feed
[ Hits: 4819 | Votes: 5 | Rating: 7.40 ]
- DK7ZB 144 mhz Yagis
- High gain, good pattern and acceptable bandwidth. These aims can be realized with a radiation-resistance of 25-35Ohms, because the 28-Ohm-feedpoint is very simple to match.
[ Hits: 1684 | Votes: 7 | Rating: 6.86 ]
- Copper Cactus Single Coax Feed
- Single Coax Feed to Multi-Band Copper Cactus Antenna.
[ Hits: 1134 | Votes: 1 | Rating: 10.00 ]
- A Tincan feed for 2.45Ghz
- Construction details for a simple but effective antenna for 2.45Ghz wireless lan use.
[ Hits: 6487 | Votes: 9 | Rating: 5.56 ]
- Dish 802.11 Wireless Networking Antenna
- This antenna modification is for the IEEE 802.11b networking protocol that operates at 2.4 GHz. It can be scaled easily to the 5 GHz frequency used by IEEE 802.11a by simply scaling the dimensions on the feed can and the excitation antenna to 2.4/5 = 48% of the dimensions shown above.
[ Hits: 9077 | Votes: 7 | Rating: 6.29 ]
- WK8L's ATV Page
- Includes links and documentation on wifi antennas, 2.4 GHz Coffee Can Feed Antennas
[ Hits: 3380 | Votes: 4 | Rating: 5.00 ]
- Tucson-area police radio scanner
- Launch the StarNet radio scanner to listen to Tucson-area police, fire and other agencies radio transmissions.
[ Hits: 11310 | Votes: 43 | Rating: 6.29 ]
- Boston Fire Department Live
- Listen to Boston Fire Department live scanner feed
[ Hits: 16428 | Votes: 82 | Rating: 5.68 ]
- New York Long Island Scanner Pages
- New York / Long Island Scanner forums, chat, and live scanner feeds of Nassau County Fire Departments. Site registration is needed to listen to the live feeds
[ Hits: 16586 | Votes: 28 | Rating: 4.96 ]
- Salina Abilene Manhattan Live Scanner
- This page is a live audio feed of public safety and business radio communications in and around the Salina, Abilene and Manhattan, KS area. Audio source is a Radio Shack Pro 2006 scanner. Feed is with Windows Media Encoder. Your requirement is Windows Media Player version 9 or better.
[ Hits: 3504 | Votes: 29 | Rating: 8.80 ]
- Orlando Florida live scanner
- Public safety scanner feed from Orlando Fl
[ Hits: 25910 | Votes: 198 | Rating: 5.59 ]
- Louisville Metro Police
- Louisville Metro Police Department live scanner feeds, includes 8 live feeds and commonly used 10 codes.
[ Hits: 12925 | Votes: 128 | Rating: 6.65 ]
- Dallas police live scanner
- Listen to the Dallas Ambulance, Fire & Police live scanner radio feed
[ Hits: 26649 | Votes: 174 | Rating: 6.48 ]
- Negative feedback output circuit
- Negative feedback is often referred to as shunt feedback in conjunction with emitter degeneration.
[ Hits: 899 | Votes: 1 | Rating: 10.00 ]
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