WDF6399
Call sign WDF6399 was granted to Martin Marietta Materials by the Federal Communications Commission (FCC) on Dec 11, 2010 . The FCC license ID of this call sign is 3252026. More details about call sign WDF6399 can be found in the table below.
| FCC License Id | 3252026 |
| Radio Service Code | SB |
| Description of the Radio service | Ship Compulsory Equipped |
| Date When the FCC Granted the Authorization | 2010-12-11 |
| Date When the Authorization Has or Will Expire | 2020-12-11 |
| Date on Which the Authorization Was Cancelled | 2021-02-13 |
| Date This Record Was Last Updated. | 2021-02-13 |
| Service Category | Safety of Life |
| High-level Service Category Description | Safety of Life |
| Licensing Source System | ULS |
| FCC Registration Number (FRN) | 0019186758 |
| License Status Status | Expired |
| High-level License Status | Expired |
| Description of Entity Type | Corporation |
| High-level Entity Type Description | Business |
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