Universal Licensing System
4136Q
PTD Systems Inc
License details
| ULS identifier | 194409 |
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| Call sign | 4136Q |
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| Radio service | AC |
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| Status | E |
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| Grant date | 1999-03-23 |
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| Expiration | 2009-03-23 |
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| Cancellation | 2009-05-23 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:41:14 |
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Licensee
| Name | PTD Systems Inc |
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| Applicant type | C |
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| FRN | 0003468204 |
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| Location | Monsey, NY |
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| Address | 2 Edgebrook Lane, Monsey, NY, 10952 |
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License history
| Date | File or call sign | Action |
|---|
| 2009-05-23 | 4136Q | LIEXP |
| 2008-12-29 | 4136Q | LETRES |
| 1999-03-23 | 4136Q | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 194409 | 2026-08-02 01:38:08 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 4136Q | ULS 194409 | 2026-08-02 01:41:14 |
| Status | E | ULS 194409 | 2026-08-02 01:41:14 |
| Service | AC | ULS 194409 | 2026-08-02 01:41:14 |
| Grant Date | 1999-03-23 | ULS 194409 | 2026-08-02 01:41:14 |
| Expiration Date | 2009-03-23 | ULS 194409 | 2026-08-02 01:41:14 |
| Cancellation Date | 2009-05-23 | ULS 194409 | 2026-08-02 01:41:14 |