Search Results for "tech"978 links - and 5 categories
Antennas : 2M
- A portable 2-element VHF yagi
- Build a portable VHF yagi antenna for 2 meters. All you need is two rabbit ear antennas from Radio Shack, two CATV baluns, four feet of 3/4 CPVC pipe with one tee.
[ Hits: 25998 | Votes: 21 | Rating: 5.38 ]
- Roll-up & Copper JPole antennas
- Roll-up and Copper Pipe J-Pole Antennas for 144 Mhz.
[ Hits: 4501 | Votes: 0 | Rating: 0.00 ]
- Beverages: How Short Can They Be
- When we think of Beverage antennas, we automatically think of several acres of land and lots of wire!
[ Hits: 3531 | Votes: 4 | Rating: 8.50 ]
- Understanding Standing Wave Ratios SWR
- We worry a lot about Standing Wave Ratio (SWR) in amateur radio since SWR is one indication of how well our antenna system is working. Most HF transceivers and antenna tuners have built in SWR meters. SWR is a measure of a transceiver’s output power verses the portion of that power reflected by the antenna system By Ken Larson KJ6RZ
[ Hits: 8086 | Votes: 8 | Rating: 4.75 ]
- Copper J-Pole Antennas
- Conejo Valley Amateur Radio Club, article edited by Rory Eikland, KG6HCU and Ken Larson, KJ6RZ, they have had excellent experience building and using J-Pole antennas, and share their experience on planning VHF and UHF Jpole antennas.
[ Hits: 11785 | Votes: 14 | Rating: 7.50 ]
- Antennas for HF mobile operation
- The following description should give you guidance on how to build a mobile antenna for HF bands yourself, using a very cheap CB-mobile whip antenna base. Antennas for mobile operation 7Mhz ,10Mhz, 14Mhz, 18Mhz, 21Mhz, 24Mhz,28-430Mhz
[ Hits: 85636 | Votes: 74 | Rating: 5.21 ]
- Quad and ModQuad Antenna
- Some thoughts on a "hardware-store special" 2-meter quad, and a modified quad for 2 or 10 meters by K3MT
[ Hits: 6729 | Votes: 5 | Rating: 6.20 ]
- Antennas and Grounds for apartments
- Suggestions on finding RF ground when you live in an apartment and you want to setup an antenna
[ Hits: 20515 | Votes: 9 | Rating: 4.44 ]
- Transmitter Power, Antenna Gain, Coax Loss
- Understanding relatio among transmitter power, antenna gain, and coax loss Trade-offs by Ken Larson KJ6RZ
[ Hits: 3101 | Votes: 6 | Rating: 5.17 ]
- The reflected W beam
- Hexagonal wire beams for all hf bands, technical resource, EZNEC files, tools for antenna modeling and documentation. You can also order parts to build your own antenna.
[ Hits: 2574 | Votes: 3 | Rating: 8.67 ]
- Mirai Shuha Technologies, LLS
- Mirai Shuha Technologies, LLS. Manufactured Radio Communications Equipment & Advanced Technical Services
[ Hits: 892 | Votes: 2 | Rating: 5.50 ]
- Malaysia Surge Protection
- Global Lightning Technology - Malaysia lightning Malaysia surge protection system
[ Hits: 947 | Votes: 1 | Rating: 10.00 ]
- Innovators in Power Tube Technology
[ Hits: 803 | Votes: 1 | Rating: 10.00 ]
- FAX480 was developed to provide for relatively high resolution image transmission on HF, VHF, and UHF amateur radio bands. FAX480 was designed to bridge the gap between conventional slow scan television (SSTV) and conventional facsimile techniques.
[ Hits: 502 | Votes: 1 | Rating: 6.00 ]
- SB-220 / 200 Amplifier with Solid-State Transceivers
- Using Solid-State Transceivers With Older Tube Amplifiers, some Hines and Kinks on the Heath SB-220/200 that can be useful in your application
[ Hits: 883 | Votes: 0 | Rating: 0.00 ]
- Yaesu FT-817 Portable QRP Transceiver
- The FT-817 is a small 5W MF/HF/VHF/UHF transceiver with internal batteries. Here is an assortment of technical information K6XX put together about this rig that might interest you.
[ Hits: 9544 | Votes: 7 | Rating: 6.14 ]
- Test & Measurement Equipment Buying Guide
- Compare and select Test& Measurement equipment according to its technical parameters; access library of manufacturers specs and data sheets. TestBuyer.com
[ Hits: 336 | Votes: 1 | Rating: 5.00 ]
- Getting Started in SW Listening
- Excellent and exaustive guide to shortwave listening offered by monitoringtimes, includes operating guides, technical suggestions, buying guieds, antennas implementations and more, all what is needed by shortwave listening beginners.
[ Hits: 4396 | Votes: 14 | Rating: 7.36 ]
- Radio 101 International
- Informations about RADIO 101, constructing home brew transmitters, pirate radio, pagers, salsa, latin-dances, tango, Ecuador, Quito, Ukraine, Kiev, Ireland and more.
Themen: Sendetechnik, Sender, Piratensender, Schaltpläne, Baupläne, Magnetkarten, Irland, Ukraine, Ecuador, SMS, Pager etc
[ Hits: 733 | Votes: 0 | Rating: 0.00 ]
- CQiNet, linking Ham Radio
- CQiNet is a family of programs that combine Ham Radio with the Internet using Voice over IP (VoIP) technology. Two programs are currently in the family, "theBridge" and echoLinux.
Thebridge is a iLink/EchoLink compatable conference bridge that runs under various versions of Unix as well as Windows.
EchoLinux is a EchoLink client program for the Linux operating system.
[ Hits: 2929 | Votes: 4 | Rating: 7.50 ]
- Cobra Radios Service info
- Service information, manuals, diagrams pictures and schematics, and technical files on Cobra Radios
[ Hits: 10027 | Votes: 33 | Rating: 5.33 ]
- Assorted grounding hints and kinks
- Assorted Grounding Hints and Kinks and Technical Correspondence, Grounding Techniques, Conductivity in the Cold, Cold Ground, Is Your Radio Equipment REALLY Grounded?
[ Hits: 3117 | Votes: 1 | Rating: 2.00 ]
- Different grounds for different shacks
- Technical questions answered about grounding techniques, in pdf file
[ Hits: 3012 | Votes: 0 | Rating: 0.00 ]
- Grounding Concepts
- What is ground?RF ground and the ground plane, how can I tell if I have a good ground? ground loops
[ Hits: 2447 | Votes: 7 | Rating: 8.10 ]
- Yahoo! Groups : TS-850S
- Welcome to TS-850S HF Transceiver Owners Group.
Group designed to discuss the attributes, usage and technical information sharing,
concerning this Classic Transceiver.
Please feel welcome to add your questions, information and comments. We hope you enjoy the Amateur Operators "Attribute of helping ones fellow operator". Valid AmateurCallsigns only, admitted.
[ Hits: 960 | Votes: 3 | Rating: 8.67 ]
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