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Smith chart vswr
Smith chart vswr









smith chart vswr
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Anytone 878 UV Plus radio and a BaoFeng UV-5R (3 of them with 2 in the Faraday Cage.) 136-174/400-480 MHz Dual-Band – BaoFeng is mostly for monitoring and throwaway high-risk operations.

  • HT: Kenwood TH-D74a added to the shack for 144, 220 and 440 amateur bands D-Star, broadband receive, etc.
  • The mobile setup also includes a dedicated mobile openSPOT3 hotspot for DMR that allows transcoded operations for any of the three radios – I am usually on the AMSAT, WW 91 or Nationwide talkgroups on DMR and for D-STAR where I usually hang out on 30C or 1C.

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    Likewise, I use my Anytone 878 UV Plus DMR radio.

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    I also use my Kenwood TH-D74a which does surprising well as a mobile radio using the same Diamond dual band antenna – with the added benefit of also having DSTAR and APRS. HF antenna is a 40-10m Wolf River Coils Silver Bullet Mini with a Diamond dual-band antenna for VHF/UHF. This gives me all mode / all bands 160m – 70cm mobile rig as needed that includes D-STAR, touch screen and waterfall.

  • Mobile Station: For HF, my Icom 705 has shared custody between my Subaru Forster SUV and my home shack.
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  • Antenna for Portable Satellite: Handheld Elk 2M/440L5 Dual-band Log Periodic antenna (used with ICOM 705, Kenwood TH-D74a or BaoFeng UV-5R.).
  • Satellite Antenna Array: AMSAT LEO Pack 16 element 436 MHz 436CP16 and 8 element 144 MHz 2MCP8A with AZ / EL Yaesu G-5500 computerized rotator with Fox Delta ST-2 controller.
  • VHF / UHF / Beyond: Diamond D-130 Discone antenna with 25-1300 MHz coverage at 20′.
  • 6m dipole at 17’made from leftover BuddiPole parts 65′ EFHW antenna – 40m through 10m at 35′.
  • Antennas on HF: 135′ EFHW antenna – 80m through 10m at 40′.
  • Icom 7300 for all things HF including mostly FT8! Icom 705 for HF, DSTAR, portable and mobile operations.
  • Home Station: Icom 9700 for Satellites and D-Star and VHF/UHF.
  • Here’s a list of my very modest station at Kilo Three Triple R with links to pages with more information about many of the items (coming soon!): Grid Map shows my location and the other 26 hams in my sub grid. My name is Robert and I currently live in Killeen Texas about 40 miles north of Austin in EM11db.
  • 403 CHEAP DIY Homebrew Wire Antennas for Ham Radio.
  • Cheap Computer Controlled TV Rotor for AMSAT Satellites.
  • QTH of K3RRR – Potomac Maryland and Washington DC Area.
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    Winlink – HF and VHF Radio Email For Emergencies and SHTF.Ham Radio Satellite Antenna Dilemma – In Search Of A Solution.Fifteen Milliseconds Of Techno-Weenie Fame.Amateur Radio Parity Act – Watch Video And Help Get This Law Passed!.Ham Radio Deluxe – Last Free Version Available for Download Here.Technoweenie’s JT-65 HF Presentation – JT65 HF HB9HQX And JT Alerts – Video and PowerPoint.K3RRR Yaesu ATAS 120a Antenna Mobile / Portable and Fixed Station.

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  • Ham Radio RFI – How To Track Down and Find RFI and Noise Affecting Your Ham Station.
  • MFJ-1786 Loop Antenna – My Stealth Antenna Installations.
  • Update: SignaLink and Other USB Digital Interfaces – Huge Bug + Permanent Fix for Amateur Radio Digital Modes.
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  • K3RRR Tweets – Follow Me At SDR – Get Maximum Decodes When Your Levels Are Right – Software Defined Radios for Digital Communications.
  • CrimperGate – When the Coax Crimper Jaws Won’t Crimp Close – A Mystery.
  • First Portable Solar Setup For Ham Radio – Bioenno Solar Charge Controller SC-4830JUD and TCXW 100 Watts 12 Volts Portable Solar Panel Kit.
  • Attic AMSAT Antenna – Working the Ham Radio Satellites With A Rotatable Computer Controlled Yagi Attic Antenna.
  • Please Click for Pages at Kilo Three Triple R – K3RRR.










  • Smith chart vswr