Search results
Query: tube
Links: 262 | Categories: 5
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Clevaflex is a manufacturer of flexible wound tubing that can be used in a variety of applications. our unique manufacturing process allows tubes to be designed and built with a multi-ply convoluted wall contour that creates a permanently bonded tube.
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D-star videos, introduction to d-start, real examples on YouTube
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Demonstrating the construction of a short dipole antenna tailored for the 60 meter band, this resource provides detailed instructions for radio enthusiasts with limited space. The design incorporates inductive loading using two inductors (L1/L2) made from PVC tubes, allowing for effective operation on 5 MHz. The antenna consists of 12 meters of wire, divided into four sections, with specific dimensions and materials outlined for optimal performance. Results from users indicate that this antenna can significantly enhance DXing capabilities on the 60 meter band. Feedback from operators suggests that while the design is effective, adjustments may be necessary based on individual setups, such as coil diameter and wire gauge. Many users report successful construction and operation, with some experimenting with variations to improve resonance. The practical application of this antenna design has led to successful contacts and improved signal quality, making it a popular choice among 60 meter band operators.
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Collecting and history of CRT tubes and physics instruments
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A noncommercial site operated by Max Robinson and dedicated to passing on and preserving knowledge of vacuum tube circuits and techniques.
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Russian Tubes, Capacitors , Resistors , Ferrites Sockets and other components
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Homebrew Tubes/LDMOS amplifiers, Antenna, accessories, adventures in 9Q, DX, UN missions, Contests, and more.
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Ea2id demonstration video of the Ameritron AL-811H in spanish
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Certified distributor of tubing including aluminum tubes such as factional tubes, metric tubes & heavy wall tubes
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Excellent article and guide to choose the best RF power amplifier that fit your needs by ON4SKY
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Small antennas by KH6HAK, including 6 meter magneti loop antenna made with copper tubes.
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Yaesu vx-8r prototype quad-bander on display at the 2008 dayton hamvention. Youtube video
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Penta Laboratories is a Manufacturer and Distributor of vacuum tubes, capacitors and electron tubes for Broadcast, Industrial, Marine and Avionics applications worldwide.
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Video on Baofeng uv-3r menus
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This transmitter was first constructed in 1987 and provided the author with his first real rig, capable of distances of more than about 100 metres.Use a 6GV8 tube.
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This video will provide a foundation for understanding how power amplifier circuits work. If you are new to High Frequency Power Amplifier Circuit Design, this is the place to start.
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Home Brew a 4-1000A RF power amplifier project by W4NFR
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TransWorld Antennas TW2010 Traveler HF Portable Vertical Antenna setup instructions
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This article describes an alternative to water as the cooling liquid for amateur radio vacuum tube power amplifiers. This cooling system is designed for adequate vacuum tube cooling, reasonable cost, and very low maintenance. By K8CU
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A very useful video that explains how to program the TYT MD-2017 radio. From software download, firmware, codeplug and how to manually configure settings and how to program memories
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A video about secret listeners ham radio voluntary interceptors during ww2 an extract from The Secret Wireless War DVD
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A site mainly concerning British Portable Valve Radios of the 1950's
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Worldwide sellers of vacuum tubes and electron tubes for audio, radio, and industry
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A video domonstrating how fast can be the setup of a Trans World Antenna
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Boatanchors in Russia. Old tube radiosets.
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A mini Dxepidition to Piel Island on 24th/25th of May 2008 by the CQ CQ Portable group and the call sign will be GB0PIA.
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Elecraft KX2 tips and tweaks about how to improve your receive audio on the Elecraft transceiver
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160-10 Meters 1500 Watt Amp - W4NFR
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A Personal Museum of Military Radios - Spy Radios - Tubes by Antonio Fucci
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How to navigate FlexRadio PowerSDRs Pan Adapter
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K8CU technical topics article about high voltage breakdown tester necessary for testing of any high voltage components like vacuum tubes, high voltage capacitors, vacuum relay
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SJ2W Contest Station, antenna for the 160 meter is a 39m vertical. This 160m antenna consist of 29m of WIBE tower sections with an insulated base and 10m top tube.
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Homebrew Tube Projects, Vacuum Tube Data, Articles From Old Handbooks
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Online shop for obsolete electronic components, tubes and semi-conductors
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Amateur Radio Youtube Channel with some picture slideshow compilations by VK5SW
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Amateur radio dedicated channell in youtube
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A youtube video instructions on how to replace, the Select knob. Very often this know wobbles after some years of usage and in this video is well documented all passages needed to replace the knob.
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By using HamRacer, a windows based voice keyer, also dumb radioamateurs can take part to SSB contests. The unique synthesized PC-based voice keyer for HF and VHF SSB contests. In this video you can assist a real contest with recorded QSO with: SP6OWA, S57O, OK1IEI, 9A1DL, OE1PAB, OK1GTH, 9A1E.
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Vintage Tube Radio's from Germany for sale. High class restorations for all valve radios offered. Radio Brands like Saba, NordMende, Majestic, Grundig, Zenith, Philco and more. TubeRadioDoc Vintage Audio Store
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Restored vintage amateur radio, shortwave & other electronics from the vacuum tube era! Specialists in restored Ham Radio boatanchors
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Common problems of the 572B tubes often used in many RF Power Amplifiers
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One Tube Code Practice Oscillator
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Frequently Asked Questions - about vintage tube-type ham radio and communications equipment