644S
Call sign 644S was granted to Cohen, Steven B by the Federal Communications Commission (FCC) on Jun 07, 2011 . The FCC license ID of this call sign is 3294516. More details about call sign 644S can be found in the table below.
| FCC License Id | 3294516 |
| Radio Service Code | AC |
| Description of the Radio service | Aircraft |
| Date When the FCC Granted the Authorization | 2011-06-07 |
| Date When the Authorization Has or Will Expire | 2021-06-07 |
| Date on Which the Authorization Was Cancelled | 2016-11-16 |
| Date This Record Was Last Updated. | 2016-11-17 |
| Service Category | Safety of Life |
| High-level Service Category Description | Safety of Life |
| Licensing Source System | ULS |
| FCC Registration Number (FRN) | 0004027793 |
| License Status Status | Canceled |
| High-level License Status | Cancelled |
| Description of Entity Type | Individual |
| High-level Entity Type Description | Individual |
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