Scoreboard has been frozen
Solves
| Challenge | Category | Value | Time |
| Signal 1 | Signal identification | 25 | |
| The Matrix | SDR trivia | 10 | |
| ISM bands Part 1 | On the ISM bands | 25 | |
| SigMF 3 | SigMF | 15 | |
| SigMF 2 | SigMF | 15 | |
| SigMF 1 | SigMF | 15 | |
| Appalachia 0 | Appalachia | 13 | |
| John Mastodon | SDR trivia | 10 | |
| Spaaaaaaaaaace! | SDR trivia | 10 | |
| The rules | Intro | 5 |