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• Vertical antenna for 160 meter - This high antenna require a large ground composed by 40 radials. It's not very handy expecially in windy situations but is very powerfull in pile-ups. In italian
  [ Hits: 4137 | Votes: 1 | Rating: 10 ]
• The 160M Homebrew Vertical - The 160M "No Excuses" Homebrew Vertical is a 27 ft. vertical antenna, made from three 10 ft. PVC sections bolted together, and half wavelength of antenna wire helically wound around the PVC sections by K6MM
  [ Hits: 6587 | Votes: 15 | Rating: 6.14 ]

• Vertical half-wave aerials for 4m  ^updated - Practical designs pictures and alternative design of antennas for 70 Mhz by Ross Wilkinson G0WJR
  [ Hits: 8426 | Votes: 17 | Rating: 4.88 ]

• G5RV antenna - Review by G3TXQ and comparison to its modificated versions. SWR Measurements on inverted V setup and comparison from EZNEC model and a real one.
  [ Hits: 1843 | Votes: 3 | Rating: 4 ]

• NVIS: Near Vertical Incidence Skywave - Introduction to NVIS advantages and disvantags.
  [ Hits: 3007 | Votes: 4 | Rating: 9.5 ]
• About NVIS antennas - What is NVIS Near Vertical Incident Skywave
  [ Hits: 5962 | Votes: 10 | Rating: 5.5 ]

• Ultimate Portable HF Vertical Antenna - A light and compact antenna that is easy to build, and easy to find parts for. Band coverage is 60 through 10 meters.
  [ Hits: 4371 | Votes: 3 | Rating: 8.67 ]

• Radial systems and ground - Radial systems for elevated and ground mounted vertical antennas by SteppIR
  [ Hits: 2297 | Votes: 4 | Rating: 8.25 ]

• Antenna Gain versus Height - Antenna gain for horizontal, vertical, and tilted orientation of a dipole for heights between 5 and 50 feet.
  [ Hits: 1767 | Votes: 8 | Rating: 4.75 ]

• KC1XX Contest Station - Amateur Radio Station owned by Matt Strelow. The station is designed for competition in the multi-operator multi-transmitter category of high-frequency DX contests. Running with 7 towers 6 rotators, 8 beverage listening antennas, and 4 spotting verticals
  [ Hits: 1763 | Votes: 2 | Rating: 6.5 ]

• Cross-Yagi antennas - For two purposes a Cross-Yagi can be useful Satellite work or if you need both vertical and horizontal polarization for terrestrial contacts
  [ Hits: 3299 | Votes: 6 | Rating: 7.67 ]

• Balloon-supported verticals - Using balloons to raise lengths of wire can be great fun - as well as making it possible to work the DX on 136 kHz from small gardens.
  [ Hits: 1803 | Votes: 1 | Rating: 10 ]

• Byonics - Manufacturer of popular TinyTrak APRS Tracker offer Packet radio tools, wxtrack interfaces, TinyTrack3, a GPS position encoder, PicCon controller for transmitter hunting, GST-1 and GST-2 GPS format converters, and PeekPack, a packet radio monitoring tool.
  [ Hits: 4464 | Votes: 4 | Rating: 7 ]

• IPS - HF Systems MUF maps and prediction charts - These pages provide general propagation advice for HF communicators. Information available includes inferred global propagation conditions, real time HF fadeout coverage charts, regional ionospheric vertical MUF maps and Hourly Area Prediction charts for Astralia and Asia, Europe and North America
  [ Hits: 4956 | Votes: 17 | Rating: 5.83 ]

• Tower - Windows program for analyzing vertical antennas. This program shows the resistance and reactance to be expected looking into a cylindrical metallic tower over a perfect ground. It gives a useful approximation of the values to be expected in a real-world situation.
  [ Hits: 1346 | Votes: 1 | Rating: 10 ]

• TinyLocator - This free program calculates the location of any locator. It calaculates the distance, azimuth, longitude and latitude between two Maidenhead locators. Converts longitude/latitude coordinates to Maidenhead locator Converts Maidenhead locator to longitude/latitude coordinates
  [ Hits: 1056 | Votes: 2 | Rating: 10 ]

• abc Morse Code for Palm - Palm OS Morse code tutor. Farnsworth support, Flashing backlight support, HUGE font in random free run mode, a cool scrolly bar when listening to QSOs, a handy Morse-to-text-and-back translator / converter, built-in Q code quiz, For Palm OS 3.5 or higher
  [ Hits: 2469 | Votes: 7 | Rating: 5.86 ]

• Fast Morse - Macintosh morse code software, Fast Morse will convert any text you enter into the original Morse code equivalent, and play it on your speakers. The speed can be adjusted to anything from 1 to 35 words per minute if your computer can keep up, allowing you to send Morse signals at a rate your friends and fellow Morse enthusiasts can follow!
  [ Hits: 2821 | Votes: 9 | Rating: 6 ]

• Voice descrambler - This program descrambles band inverted encrypted transmissions, usually found on VHF/UHF. It uses a NCO (numerical controlled oscillator) to re-produce the originally inverted audio band. Use it only if legally permitted in your country. I assume no responsabilities deriving from its use. Standard disclaimer applies
  [ Hits: 13577 | Votes: 38 | Rating: 6.16 ]
• EDI to ADIF utility - Free software for converting EDI (Electronic Data Interchange) files to ADIF (Amateur Data Interchange Format). EDI is standard recommended by IARU for sending files in UKV/VHF/SHF contest in first IARU region
  [ Hits: 792 | Votes: 4 | Rating: 3.25 ]

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