ss meter

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ss meter

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Antennas : 20M : 20 meter Dipole Antennas
  • 20 Meter Rotatable Dipole Antenna - Construct a compact, 20 meter rotatable dipole antenna of durable weather worthy components supported at a single point obviating the need for multiple supports and multiple support ropes crossing the yard.
    [ Hits: 662 | Votes: 1 | Rating: 10 ]
Antennas : 2M
  • Rectangular Loop antenna for 2 meter band - An interesting and easy to build loop antenna for VHF bands, that present a feedpoint impedance of 50 ohms thus avoiding the need for a 1/4 wave impedance transformer. This antenna is ideal for sota and other portable operations
    [ Hits: 275 | Votes: 1 | Rating: 1 ]
Antennas : 40M : 40 meter Dipole Antennas
  • 40m loaded dipole - This is an short dipole for 7 MHz. Total length of this dipole is just 10 meters, 33 feet. Missing lenght is balanced by a coil made of 49 turns of a 40mm diameter pvc pipe. The use of a choke balun is recommended, as always, to adapt the unbalanced coax cable to the balanced antenna, and to prevent RF feed back along the coax shield.
    [ Hits: 192 | Votes: 4 | Rating: 8.75 ]
Antennas : 6M : 6 meter J-Pole Antenna
  • The Ugly MacGyver 6 meter J-pole Antenna - Essentially, a J-pole is a 1/2 wave resonant antenna connected to a quarter wave matching stub. The feedline is connected at a point on the matching stub that is at the feedline's characteristic impedance. The result is 3/4 of a wavelength on one side and 1/4 wavelength on the other side.
    [ Hits: 202 | Votes: 0 | Rating: 0 ]
  • 6 Meter Homemade J-Pole Antenna - A homemade j-pole antenna for six meters band, designed to work on local repeaters, and working on the 52-53 MHz. Includes a list of needed materials and detailed description on assembling the copper tubes used to build this antenna.
    [ Hits: 252 | Votes: 3 | Rating: 4.67 ]
Antennas : 80M
  • Top Loaded Vertical Antenna for 80 Meters Band - Top Loaded Vertical Antenna 3,5 MHz 80m and a 14 MHz Trap for the 20m band. The weight of this portable vertical antenna is less than 1 kg, including the ground network. The weight of the telescopic fiberglass fishing rod is another 1kg. The rod expands from 1.5 meters to 8 meters.
    [ Hits: 268 | Votes: 0 | Rating: 0 ]
Antennas : J-Pole
  • Construction of a J-Pole antenna for 2 meter - If you like building good antennas, this one is for you. The J-pole is a slim, omnidirectional, half-wave antenna fed at the end through a quarter-wave shorted transmission line. Its predecessor is the famous Zepp antenna developed for the Zeppelin airship.
    [ Hits: 380 | Votes: 2 | Rating: 10 ]
Antennas : Loop
  • RX Loop Antenna for 80 and 160 Meters - Four or Five turn one meter loop antenna for 80 and 160 meter band. This home made receive only antena can be assembled in a small place.
    [ Hits: 247 | Votes: 1 | Rating: 1 ]
Antennas : Multiband
  • Multiband trap dipole - This antenna is a classical antenna working on 7,10,14,18,50 MHz is implemented with three traps for 30, 17 and 6 meters
    [ Hits: 269 | Votes: 0 | Rating: 0 ]
Antennas : Receiving
  • 40M Delta Flag - A delta loop receiving antenna for the 40 meters band
    [ Hits: 82 | Votes: 1 | Rating: 2 ]
  • 160 Meters 4 Square Receive Antenna - A four square array receiving antena for the top band, performance is extremely directional and space requirements are really hard to fulfill.
    [ Hits: 178 | Votes: 1 | Rating: 10 ]
Antennas : Tuners
  • Semi-automatic antenna tuner project - Thsi article describes a microcontroller driven semi-automatic antenna tuner capable of handling power levels up to 150 watts. The device is a low pass filter tuner manually tuned by setting the optimized L/C combination by hand and then storing the values into the EEPROM of the mictrocontroller to recall them later (seperately for each band from 80 to 10 meters including WARC bands)
    [ Hits: 291 | Votes: 0 | Rating: 0 ]
DX Resources : Contest
  • Narrow FM Contest 2020 - The ARI Club of Lecce (Italy) is proud to present the first HF FM contest. This is the NARROW FM CONTEST which will debut the 6th and 7th of June 2020. It will last 24 hours and will take place on 10 meters exclusively in the FM emission mode.
    [ Hits: 82 | Votes: 8 | Rating: 8.63 ]
Operating Modes : 50 Mhz
  • Free eBook - Capture the MAGIC of Six Meters - This book provides plenty of insight into how you, too, can Capture the Magic of Six Meters. It covers propagation, equipment, software, antennas, awards and contesting, as well as assistance in finding the magic.
    [ Hits: 312 | Votes: 0 | Rating: 0 ]
Propagation : Sporadic E
  • Thunderstorms Causing Sporadic E - A Case For Thunderstorms Causing Sporadic E on 6 Meters. In Propagation and Radio Science, Eric Nichols explains one possible mechanism is thunderstorms that are strong enough to break electrons free forming a cloud of free electrons.
    [ Hits: 79 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF YAGI Antennas : Hy-Gain TH3JR
  • Hy-Gain TH3jr Beam Manual online - Hy-Gain TH3jr Tri-band HF 3 Element Beam Covers 10, 15 and 20 Meters assembly instruction manual
    [ Hits: 179 | Votes: 2 | Rating: 5 ]
Software : Morse Code Training
  • Online Morse Code Training - Learn Morse Online in 40 lessons with this web based morse code learning program, based on the Koch method. Choose the lesson, adjust the wanted parameters, and start the transmission of a set of random characters based on chosen lesson. Recognize the code and verify it at the end of the lesson.
    [ Hits: 366 | Votes: 2 | Rating: 10 ]
Technical Reference : QRP Projects Technical Reference : Receivers
  • A 3.5MHz Receiver for SSB and CW - Homemade receiver for 80 meters band. The receiver works very well (in fact better than some of its successors), especially the AGC makes listening to 80m QSOs a real pleasure. Sensitivity is not cutting-edge, but on a full-size short-wave antenna it is by fare sensitive enough.
    [ Hits: 248 | Votes: 2 | Rating: 6.5 ]
Technical Reference : Transverters
  • 2 meter transverter for KX2 - A 144 MHz transverter made by ur3lmz and connected to and Elecraft KX2 transceiver
    [ Hits: 236 | Votes: 0 | Rating: 0 ]

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