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Archive for the 'antenna' Category

80 Meter Dipole upgrade

• February 21, 2019 • Leave a Comment

Posted in 80 meters, antenna, balun, dipole
Tags: 80 meters


the beast is loose

• February 2, 2017 • Leave a Comment

Posted in antenna, chitchat


20m dipole element addition

• August 14, 2016 • Leave a Comment

Posted in antenna
Tags: 20m, dipole


4:1 balun experiment with 1/2 wave 40m dipole

• August 1, 2016 • Leave a Comment

Posted in antenna, dipole
Tags: balun, dipole, multi-band


30 awg wire dipole

• July 12, 2016 • Leave a Comment

Posted in antenna, dipole, noise canceling, stealth
Tags: 40m, antenna, dipole


145cm magloop – 20M issues

• November 1, 2015 • Leave a Comment

Posted in antenna, Magnetic Loop Antennas, Uncategorized
Tags: 145 cm magloop, 20m


1.5M MagLoop SWR broke in the rain (Sun 28sep2015)

• September 28, 2015 • Leave a Comment

Posted in antenna, Magnetic Loop Antennas
Tags: 1.5m mag loop, 20m, COAX, JT65, SWR, wet


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Solar Wx and Propagation

Blogroll

  • 40 Meter Aloha Net Roster
  • AARL Color Ham Band (pdf)
  • AARL Software Defined Radio Page
  • Aloha Norden
  • Antenna Theory
  • Antenna Theory for Hams
  • Antenna Tuner for 20m
  • AntenneX Site
  • EARC Oahu
  • Efficiency from bandwisth calculator for Mag Loop – Owen Duffy
  • End Fed Antennas by AA5TB
  • Ensemble II Isolation Transformer fix
  • FCC Part 97
  • fivedash- Softrock Source
  • G4ZFQRADIO SDR link page
  • Hawaii Repeater List
  • HDSDR – high definition sdr source
  • Loop Antenna by vk4amz
  • Measuring 1/4 wave coax using the MFJ Analyzer
  • PEFKO site- ExtIO –
  • Robby's Softrock Build Site – WB5RVZ
  • Short Wave Frequencies
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Articles

  • 00 About
  • 145 cm and 78 cm Loop Tuning Checklist
  • 78cm (30.7 in) Diam Loop for 10-15 Meters
  • FT-857 Internal Meter
  • PSK on the FT-857D with VOX
  • RSQ Report Table
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  • Soldering
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  • Timeline – June 2012 – Feb 2013
  • WordPress Tricks

Recent Posts

  • 20 meter opening to Europe on FT8
  • 80 Meter Dipole upgrade
  • Yaesu MH-31 Microphone Failure/Fix
  • TS-590SG Reduced transmit power, Reboots. Known Problem. Easy Fix.
  • Low noise event – 2Jan2018 …
  • FLDIGI CW Split Operation
  • Computers in the shack 2018
  • MFJ-4125P Fan Noise
  • Shipping Lithium batteries
  • MFJ4125 25A Power Supply Fan Bearing Noise –

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Tags

1.5m mag loop 2m 10m 10m STL 20m 40m Anderson powerpole antenna bandwidth battery power bifilar capacitor CHiRP COAX coax loss corrosion block Coupling loop cw dipole DM780 dummy load end-fed endfed ensemble rx II Europe Europe DX fan noise feeder loop fldigi flux ft857D fuse ground HRD jackite JT65 LiFePo4 Lite II loop macro mag loop MFJ 269 MFJ 4125P mic gain microphone mobile mp-1 noise portable power supply psk31 psk reporter rain reset RFI RG6 RT Systems scout sdr# service menu softrock STL SWR swr problem SWR tuning tentec Tuner unun USB usb cable uv-5R VHF wet yaesu 857D yt-100

PSK31 FREQUENCIES

PSK31 HF Frequencies PSK31 VHF Frequencies Band Frequency Band Frequency 10 meters 28.120 Mhz 6 meters 50.290 MHz 2 meters 144.144 MHz 1.25 meters 222.07 MHz 70 centi-meters 432.2 MHz 33 centi-meters 909 Mhz 160 meters 1.838 MHz 80 meters 3.580 MHz 40 meters 7.035 MHz 30 meters 10.140 MHz 20 meters 14.070 MHz 17 meters 18.100 MHz 15 meters 21.080 MHz ≈

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