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• RF Transmission Line Loss Calculator - This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator. It also gives an estimate of the mismatched loss if the mismatch is specified.
  [ Hits: 2508 | Votes: 18 | Rating: 3.94 ]

• QRP Magnetic longwire balun with VHF-splitter - This Magnetic Longwire Balun (MLB) makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires, T-forms or other types of wire antennas, without the need for an antenna tuner.
  [ Hits: 3085 | Votes: 3 | Rating: 7 ]
• Baluns by Dan N5AR - There is considerable confusion about the various types of baluns, this article try to make it clear.
  [ Hits: 2272 | Votes: 0 | Rating: 0 ]
• Les baluns - About different baluns types. Samples and schematics for several ratios baluns in french
  [ Hits: 1667 | Votes: 0 | Rating: 0 ]

• Beverage transformer notes - In this article, the author discusses the importance of good transformers for Beverages, especially for common-mode isolation. The author recommends #43 ferrite for the transformer, and provides the turns required for different core types. The author also recommends using lower permeability ferrites for better performance at lower frequencies.
  [ Hits: 1319 | Votes: 1 | Rating: 10 ]

• End fed-Halfe-wave antenna - This type of antenna has same performance as a dipole, but requires only one single mounting point
  [ Hits: 7819 | Votes: 8 | Rating: 8.26 ]

• Two-Wire Open Line - Article on various type of transmissium medium, like parallel lines, twisted pairs, shielded pairs, coax lines
  [ Hits: 1537 | Votes: 1 | Rating: 7 ]

• 80 m helical antenna - Prototype of a 80 meters helical antenna on a 6 meters squid pole by VK2TTL
  [ Hits: 4268 | Votes: 6 | Rating: 4.17 ]

• Patch antenna for APT - The patch, or microstrip, antenna has become a common workhorse for the microwave spectrum from about 1 GHz to tens of GHz. This type of antenna consists of two conducting layers separated by a dielectric to form an extended capacitor by WlHDX
  [ Hits: 1234 | Votes: 1 | Rating: 10 ]

• Horizontal Antennas above Real Ground - Antennas are influenced by the effect of the ground and by the type of conductors from which they are constructed. Effects of various types of grounds on a 1.825 MHz horizontal 0.5 wave dipole
  [ Hits: 603 | Votes: 0 | Rating: 0 ]

• Measuring Tower Resonances - Some notes on measuring tower resonances by Rudy Severns, N6LF
  [ Hits: 803 | Votes: 0 | Rating: 0 ]

• microHAM - Accessories for your hamshack, such as Band Decoders, various types of Antenna Switches, Antenna Stacking devices, special devices designed dedicated for the SO2R operating technique, USB Interfaces, cw keyers and many others
  [ Hits: 3605 | Votes: 2 | Rating: 10 ]

• Yaesu FT-2000 YouTube videos - Yaesu FT-2000 on YouTube
  [ Hits: 1015 | Votes: 2 | Rating: 5.5 ]

• AMP Lady - Authorized factory sales and service center for Emtron. Repair service on all tube type amps HF Vhf Uhf from Palm Bay FL
  [ Hits: 2322 | Votes: 8 | Rating: 8.25 ]

• PropNerPSK - PropNetPSK is a PSK (Phase Shift Keying) program capable of receiving multiple signals (2 - 16) at one time for the exclusive use to decode a properly formatted PropNetPSK beacon signal. If you are looking for a Keyboard to Keyboard type of program, this will not fit your bill.
  [ Hits: 823 | Votes: 1 | Rating: 10 ]

• Batteries and QRP - Thanks to the popularity of cell phones, laptops and other personal electronic devices, the battery industry has been market-driven to produce higher capacity batteries in lighter weights than previously possible with yesterday's chemistries.As a result, a wide variety of battery types are available to the outdoor QRP operator.
  [ Hits: 505 | Votes: 0 | Rating: 0 ]

• Coaxial Cable The neglected link - The purpose of this document is to show the transfer impedance and shielding effectiveness of different types of coaxial cables
  [ Hits: 715 | Votes: 2 | Rating: 4.5 ]

• Multi-functional Power Supplies - Two types of multi-functional Home-brew 6/8Amps - 20 Ampere variable power supplies by ON6MU
  [ Hits: 1765 | Votes: 3 | Rating: 8.67 ]
• 12/20 Ampere power supplies - Two types of home-brewed 12/20 Ampere 13,8volt power supplies, including detailed part lists by ON6MU
  [ Hits: 8405 | Votes: 8 | Rating: 6.12 ]

• rec.radio.amateur.boatanchors FAQ - Frequently Asked Questions - about vintage tube-type ham radio and communications equipment
  [ Hits: 422 | Votes: 0 | Rating: 0 ]

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