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

1. Weak Signal Propagation Reporter (WSPR)
2. Heart Pulse Measurement
   
   
3. Potpourri

Weak Signal Propagation Reporter (WSPR):

1. QST, April 2026, pages 36-39
2. ZachTek WSPR Transmitters: https://www.zachtek.com/
3. Weak Signal Propagation Reporter Network: https://wsprnet.org/
4. HamClock: https://hamclock.com/
5. Open Ham Clock for Windows: https://openhamclock.com/
6. iPhone/iPad WSPR Watch:
   https://apps.apple.com/us/app/wspr-watch/id532487317

Heart Pulse Measurement:

1. Sample Oximeter: https://novamedicpro.com/pp/blood-pulse-oximeter-us-2/
2. Arduino Documentation:https://docs.arduino.cc/
3. Arduino "Calibrate Sensor Input":
   https://docs.arduino.cc/built-in-examples/analog/Calibration/
4. "Build an Instant Heart Pulse Sensor":
   https://www.nutsvolts.com/magazine/article/build-an-instant-heart-pulse-sensor

Meshtastic and Meshcore:

1. "Off-Grid Communication For Everyone":https://meshtastic.org/
2. "We connect people and things, without using the internet":
   https://meshcore.co.uk/