# Slides and Videos 

Return to [2023 GNSS-IR Short Course](https://gnssrefl.readthedocs.io/en/latest/pages/sc_index.html).

## Class Introduction
- [Video](https://www.youtube.com/watch?v=yijolYWXSQc)(8 minutes)

## Day 1
- [GNSS-IR Theory](https://morefunwithgps.com/public_html/slides-gnssir-theory.pdf), Felipe Nievinski
- [How to run the gnssrefl Code](https://morefunwithgps.com/public_html/Day1-runningCode.pdf), Kristine Larson
- [Video](https://youtu.be/KBAqN5Ls2Qk)(1:47)

## Day 2
- [Intro to Snow](https://morefunwithgps.com/public_html/Day2-intro.pdf), Kristine Larson
- Ice Sheets, Dye 2, Kelly Enloe
- [Seasonal Snow](https://morefunwithgps.com/public_html/Day2-seasonalSnow.pdf), Kristine Larson
- [Soil Moisture](https://morefunwithgps.com/public_html/Day2-May2023-SoilMoisture.pdf), Kristine Larson
- [Video](https://youtu.be/ueItqAtN2sg)(1:37)

## Day 3
- [Background on Measuring Water Levels](https://morefunwithgps.com/public_html/Day3-Williams-backgroundWater.pdf), Simon Williams
- Lake Taupo, Kelly Enloe
- [Examples using gnssrefl](https://morefunwithgps.com/public_html/Day3-waterExamples.pdf), Simon Williams
- [PSMSL](https://psmsl.org/data/gnssir/map.php), Simon Williams
- [Inverse SNR Methods](https://morefunwithgps.com/public_html/gnssrefl_invsnr_slides.pdf), David Purnell
- [Video](https://youtu.be/z-gG3g6rrX4)(1:40)

## Day 4
- [Finding Good Data](https://morefunwithgps.com/public_html/Day4-May2023-WhySoHard.pdf), Kristine Larson
- [GNSS-IR API](https://gnss-reflections.org)
- [Deploying a good GNSS-IR site](https://morefunwithgps.com/public_html/Day4-Nylen-Install.pdf), Thomas Nylen
- [Contributing to gnssrefl](https://morefunwithgps.com/public_html/Day4-Dittmann-contribute.pdf), Tim Dittmann
- [Cheap Sensors](https://morefunwithgps.com/public_html/Day4-Low_Cost_Systems.pdf), Simon Williams
- [Video](https://youtu.be/jpXfaF7F1yo)(1:46)