Cowlitz County / Local

• Ham Radio Activity Calendar
• W7DG Weather

Digital Radio

AX.25 Packet Radio (w/ video)

• ARDOP - next gen connected mode data protocols (HF/VHF/UHF)
  • Or is it abandoned in favor of closed source VARA??
• VARA on Wine Hybrid Gateway

DMR

Programming TYT Handhelds (w/ video)

Software

• DZCB - DMR Zone Config Builder
  • What I use to generate example-codeplug, which you can customize.

Alternate programming software that I’ve found:

• OpenRTX/dmrconfig: CLI programming for many radios
  • GUI: hmatuschek/qdmr
• dmrRadio: CLI programming for TYT, etc
  • GUI: Editcp

External Resources

• Intro to DMR (Miklor) (PDF)
• Re: Duplex v Simplex Hotspots ?

Other Digital

• JS8Call - a messaging system build on JS8 (FT8)
• SSTV Primer (2001)

HF

• Northern Utah WebSDR - great way to explore the bands
  • kiwisdr - publicly accessible SDRs around the world
• HF Bands - overview of different band characteristics
  • ARRL Band Plan - where to find certain types of signals
• Grounding and Receiver Noise
• pskreporter.info - propagation reports from stations using wsjt-x

Antennas

• Homebrew 10m Quad Loop (Brian KJ7OX)
• N4JA Antenna Book for non-technical hams
  • A great introduction to antennas in non-technical terms
• HF “random wire” antenna length
  • Useful graphs show which wire lengths to avoid for “random wire”
• K5OE Eggbeater Satellite Antenna