tuning

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tuning

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Antennas : 40M : 40 meter Delta Loop Antennas
  • The 40m Delta Mono-Loop - A delta loop antenna project for the 40 meters band, include dimensions 80 meters band, with construction details, schematic and tuning instructions
    [ Hits: 4037 | Votes: 10 | Rating: 6.89 ]
Antennas : 40M : 40 meter Magnetic Loop Antennas
  • 40m Magnetic Loop Antenna - A coaxial cable tuneable magnetic loop antenna for 7MHz. This experimental antenna does not require a tuning capacitor
    [ Hits: 3584 | Votes: 4 | Rating: 8.75 ]
Antennas : Delta loop
  • 2 Elements Delta Loop for 14 MHz - A delta loop antenna for 20 meters band designed with MMana with a tuning system made in a classic stub configuration
    [ Hits: 527 | Votes: 2 | Rating: 6.5 ]
Antennas : Fan Dipole
  • The KL3JM modified SRI Fan Dipole for 80-40-20 Meters - The antenna in this project is a modification of the techniques used to design a multiband fan type dipole with little or no tuning involved having a total space of 105 feet
    [ Hits: 500 | Votes: 1 | Rating: 5 ]
  • The Fan Dipole A valuable multi-band HF antenna - The fan dipole antenna as an alternative to the paralled dipole antenna, to achieve a larger bandwidth and a better tuning by decreasing elenment influences.A project based on the W6HDG original concept.
    [ Hits: 744 | Votes: 6 | Rating: 6.67 ]
Antennas : Magnetic Loop
  • Simple Coax Mag Loop Antenna - A homemade Magnetic Loop antenna from a spare 3m length of RG213 working from 30m to 15m with a 130pF tuning capacitor
    [ Hits: 3995 | Votes: 11 | Rating: 7.18 ]
  • Home made High Power Magnetic Loop Antennas - Magnetic Loop Antennas for The Radio Operator with Limited Space, a two part series of articles on how to construct a magnetic loop antenna, including directions on selecting high voltage tuning capacitor
    [ Hits: 896 | Votes: 0 | Rating: 0 ]
Antennas : OCF
  • OCF Dipole - This is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It is a dipole fed off center with a 4:1 current balun at the offset feedpoint. The antenna shown covers 80, 40, 20 and 10 meters with 15 meters and WARC bands
    [ Hits: 2558 | Votes: 7 | Rating: 9.43 ]
Antennas : Quad
  • The Cubical Quad is Beautiful - An interesting page about Quad antennas. Modelling QUAD antennas, comparing quad antennas to yagi antennas. Information on QUAD Antenna tuning and home brewing with help on calculating dimensions and tuning.
    [ Hits: 2684 | Votes: 4 | Rating: 10 ]
Antennas : Traps
  • Tuning Antenna Traps - Tuning Antenna Traps without a Grid Dip Oscillator, using a bit of initiative and some standard equipment a ham should have in the shack.
    [ Hits: 911 | Votes: 1 | Rating: 9 ]
Antennas : Tuners
  • The Z Match Using a Toroidal Core Coil - Combined with Miniature Tuning Gang Capacitors, a toroidal core inductor is a means to assemble a compact Z Match assembly for Low Power (QRP) use.
    [ Hits: 608 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Amplifiers : Ameritron AL-811H
  • Tuning with he AL 811H Amplifier - Easiest possible tuning steps using a closed CW key, FM or AM tuning the Ameritron AL-811H
    [ Hits: 307 | Votes: 1 | Rating: 10 ]
Radio Equipment : HF Amplifiers : Kenwood TL-922
  • Tuning with TL-922 Amplifier - A forum thread about tuning with the Kenwood TL-922 TL-922A Power amplifier
    [ Hits: 456 | Votes: 1 | Rating: 1 ]
Radio Equipment : HF Vertical Antenna
  • Butternut HF9V Installation - Assembling installing and tuning the Butternut HF9V multiband vertical antenna
    [ Hits: 725 | Votes: 1 | Rating: 9 ]
Radio Equipment : HF Vertical Antenna : Butternut HF2V
  • Tuning the Butternut HF2V - Complete instructions on tuning the Butternut HF2V on four bands, 80, 40 , 30 and 15 meters
    [ Hits: 576 | Votes: 1 | Rating: 3 ]
Radio Equipment : HF Vertical Antenna : GAP Titan
  • GAP Titan DX - Tuning Bands - Picture taken from official manual with notes on tuning stubs for each band
    [ Hits: 910 | Votes: 2 | Rating: 7.5 ]
Software : Software Defined Radio
  • Studio1 - Studio 1 is a Paid windows SDR software defined radio application, supports Tmate and Tmate2 USB control consoles, for better tuning and control.
    [ Hits: 639 | Votes: 5 | Rating: 3 ]
Technical Reference : Arduino
  • AutoCap Tuner for mag loop Antennas - This article describes a loop tuning system that automatically keeps a contest-band loops properly adjusted as operator hop around each band, made with Arduino
    [ Hits: 894 | Votes: 2 | Rating: 6 ]
Technical Reference : Programming Radio
  • Programming a Baofeng UV-5R for PMR446 - Nice feature of the Baofeng UV5R family is that they support 6.25kHz tuning steps. That fact makes it possible to dial in the radio to use the exact PMR446 channel frequencies rather than a nearest fit which is the case in many other transceivers.
    [ Hits: 694 | Votes: 8 | Rating: 3.88 ]
Technical Reference : QRP Projects
  • HF1 QRP Transceiver Project - This project is based around the recent HF1 QRP transceiver by Ashhar Farhan, VU2ESE. The transceiver is an interesting SSB design with wide tuning range from 0-30MHz and should cover several amateur bands. The schematic for the transceiver can be found on the Minima mail list in this post with a PDF attachment
    [ Hits: 670 | Votes: 0 | Rating: 0 ]

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