• 7:00 PM
• Fire District 6 Training Room; 2123 Jackson Highway; Chehalis, WA

1. Radio Frequency Propagation
   • VHF/UHF
     • Prediction
     • Verification
   • HF
     • Prediction
     • Verification
   
   
2. Potpourri
   • NanoVNA - vector network analyzer
   • tinySA - spectrum analyzer

Radio Frequency Propagation (VHF/UHF):

1. SCADACore RF Line-of-Sight tool:
   https://www.scadacore.com/tools/rf-path/rf-line-of-sight/
2. Line-of-Sight calculator:https://www.everythingrf.com/rf-calculators/line-of-sight-calculator
3. Another Line-of-Sight calculator:
   http://www.calculatoredge.com/electronics/lineofsight.htm
4. "VOACAP Online for Ham Radio":https://www.voacap.com/hf/

Radio Frequency Propagation (HF):

1. WWV Details:
   https://www.nist.gov/pml/time-and-frequency-division/time-distribution/radio-station-wwv
2. WWVH Details:
   https://www.nist.gov/pml/time-and-frequency-division/time-distribution/radio-station-wwvh
3. CHU Details:
   https://nrc.canada.ca/en/certifications-evaluations-standards/canadas-official-time/nrc-shortwave-station-broadcasts-chu
4. Azimuthal Map:https://ns6t.net/azimuth/azimuth.html
5. Northern California DX Foundation (NCDXF):https://www.ncdxf.org/beacon/index.html
6. WSJT-X:https://wsjt.sourceforge.io/wsjtx.html
7. Weak Signal Propagation Reporter Network (WSPRnet):https://www.wsprnet.org/drupal/
8. DXLab Suite:https://www.dxlabsuite.com/

NanoVNA:

1. Home Page:https://nanovna.com/
2. Groups.io:https://groups.io/g/nanovna-users/
3. RF Demo Kit:https://deepelec.com/rf-demo-kit/

tinySA:

1. Home Page:https://www.tinysa.org/wiki/
2. Groups.io:https://groups.io/g/tinysa/