Universal Licensing System
641TW
Thomas Weisel Investment Management Inc
License details
| ULS identifier | 4746491 |
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| Call sign | 641TW |
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| Radio service | AC |
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| Status | A |
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| Grant date | 2023-03-31 |
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| Expiration | 2033-03-31 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:39:54 |
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Licensee
| Name | Thomas Weisel Investment Management Inc |
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| Applicant type | C |
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| FRN | 0033600388 |
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| Location | San Francisco, CA |
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| Address | 1 Montgomery Street, Suite 3700, San Francisco, CA, 94104 |
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License history
| Date | File or call sign | Action |
|---|
| 2023-03-31 | 641TW | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4746491 | 2026-08-02 01:39:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 641TW | ULS 4746491 | 2026-08-02 01:39:54 |
| Status | A | ULS 4746491 | 2026-08-02 01:39:54 |
| Service | AC | ULS 4746491 | 2026-08-02 01:39:54 |
| Grant Date | 2023-03-31 | ULS 4746491 | 2026-08-02 01:39:54 |
| Expiration Date | 2033-03-31 | ULS 4746491 | 2026-08-02 01:39:54 |