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207 links - and 3 categories

Antennas : Baluns : 4 to 1 balun
  • Guanella Current 4:1 Balun - A large picture with construction details of a homebrew guanella current balun 4:1
    [ Hits: 1769 | Votes: 14 | Rating: 6.79 ]
Antennas : Theory
  • Designing Vertical Aerials - If you want to design vertical antennas you can find all theory and formulas used to model a vertical aerial calculating capacitance, reactance, building the inductor and calculating resistances. Includes an excel spreadsheet to calculate efficiency.
    [ Hits: 576 | Votes: 0 | Rating: 0 ]
Antennas : Tuners
  • A Homebrew Z-Match Transmatch - A home made antenna tuner based on the W6JJZ basic concept that ,atches balanced loads without the use of lossy baluns, can provide band-pass filtering and harmonic attenuation.
    [ Hits: 1099 | Votes: 0 | Rating: 0 ]
DX Resources : Ham Radio Awards
  • Uzice Award - The earliest known historical record of the name Uzice is found in a document in the Ragusan archives, dated October 9th, 1329. In memory of this date, October 9th is now Uzice City Day. Earlier settlements in the vicinity date back to the Neolithic times. Throughout history, this area has been at a crossroads connecting economies and cultures North-South and East-West. To this day, Uzice is an important economic, industrial and cultural center. Award is active from October 1st to October 16th each year. To win you have to collect enough points making contacts (QSOs) with amateur radio stations which base locations are in the Uzice City Area.
    [ Hits: 102 | Votes: 0 | Rating: 0 ]
Ham Radio : Band Plans
  • Amateur Service Spectrum Requirements at 7 MHz - An information paper by the International Amateur Radio Union, History of 40m allocation, propagation properties of 7 Mhz band
    [ Hits: 707 | Votes: 3 | Rating: 8 ]
  • S5 HF Band Plan - Amateur Radio bandplan in a large PDF A3 format valid for Serbia and Region 2
    [ Hits: 3680 | Votes: 8 | Rating: 6.63 ]
Manufacturers : Microphones
  • ARLAN Communications - Radiosport headsets & boom-mic headsets for amateur radio
    [ Hits: 429 | Votes: 1 | Rating: 1 ]
Manufacturers : QRP Kits
  • Breadboard Radio - Maker of QRP Kits, QRP CW receiver and transmitters, audio CW Filters, antenna tuners, dummy loads, and morse code practice oscillator
    [ Hits: 1311 | Votes: 1 | Rating: 10 ]
Manufacturers : Test Equipment : Oscilloscope
  • Probemaster - Probemaster manufacturers probes of all kinds, including oscilloscope probes, differential probes, test leads and much more, all proudly made in the USA
    [ Hits: 175 | Votes: 0 | Rating: 0 ]
Operating Modes : Satellites
  • Getting Started with the FM Satellites - If you can program split-frequency memories in your dual-band radio, or your dual-band radio has two VFOs, you can work an FM satellite
    [ Hits: 991 | Votes: 1 | Rating: 10 ]
Radio Equipment : HF Transceivers : Kenwood TS-590S
  • Kenwood TS-590 by UT0FC - A web site deticated to the Kenwood TS-590 transceiver with links to software downloads fot the 590s seriend and technical documentation in Russian.
    [ Hits: 232 | Votes: 13 | Rating: 9.31 ]
Radio Equipment : VHF-UHF Handhelds : TYT MD-2017
  • TYT MD-2017 QST Review - TYT MD-2017 Dual-Band Analog and DMR Handheld Transceiver Reviewed by Pascal Villeneuve, VA2PV
    [ Hits: 402 | Votes: 2 | Rating: 3.5 ]
Radio Scanning : Aeronautical
  • Build your own ADS-B Ground Station - You can now build and run your own ADS-B ground station that can be installed anywhere and receive real-time data directly from airplanes on your computer
    [ Hits: 840 | Votes: 2 | Rating: 10 ]
Software : Antenna rotor control
  • Moontracker - A moon tracking software capable to drive the rotation of your antennas in azimuth and elevation
    [ Hits: 951 | Votes: 1 | Rating: 6 ]
Technical Reference : Attenuators
  • Step Attenuator suitable for 0 - 30MHz - Useful for receiver sensitivity evaluations this Step Attenuator is a series of switchable Pi attenuation pads
    [ Hits: 320 | Votes: 1 | Rating: 9 ]
  • 40dB standard attenuator - The 40dB fixed attenuator is derived from two 20dB Pi attenuation pads
    [ Hits: 401 | Votes: 2 | Rating: 9 ]
Technical Reference : Headsets and Speakers
  • Bluetooth and VOX Project - A homebrew project about a bluetooth interface to connect a transceiver to an audio headset.
    [ Hits: 320 | Votes: 0 | Rating: 0 ]
Technical Reference : Lightning Protection
  • About Lightning Protection - Ham Radio Station Grounding for Lightning Protection presentation
    [ Hits: 1739 | Votes: 2 | Rating: 9 ]
Technical Reference : Raspberry Pi
  • Raspberry PI Presentation - Introduction to Raspberry Pi and possible usages in amateur radio, PDF presentation.
    [ Hits: 694 | Votes: 0 | Rating: 0 ]
Technical Reference : Test Equipment
  • Capacitance Meter - A capacitance meter kit assembled. The meter measures from 1 picofarad to 500 microfarads with an accuracy of up to 1% and less than 2%
    [ Hits: 363 | Votes: 0 | Rating: 0 ]

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