David M. Levinson vs RTCA
United States
| 1K | Subscribers | 996 |
|---|---|---|
| 205.4K | Total views | 90.3K |
| 127 | Videos | 144 |
| 1.6K | Avg views / video | 627 |
| #75,797 | Worldwide rank | #75,922 |
| 2012 | Active since | 2015 |
| Science & Tech | Top category | Business |
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