Universal Licensing System
KMM4
Port City Air, Inc.
License details
| ULS identifier | 2479435 |
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| Call sign | KMM4 |
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| Radio service | AF |
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| Status | E |
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| Grant date | 2008-02-20 |
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| Expiration | 2018-01-23 |
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| Cancellation | 2018-03-31 |
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| Frequency range | 122.95 MHz |
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| Locations | 1 |
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| Representative location | Portsmouth, ROCKINGHAM, NH |
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| Coordinates | 43.0689444, -70.8080833 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:15 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FAA | 122.95000000 | | | 5.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 122.95000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | Pease International Tradeport- 104 Grafton Drive, Portsmouth, ROCKINGHAM, NH | 43.06894444, -70.80808333 | 20.100 m | BANT | 14.600 m structure / 15.600 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.600 m | | 0.0000 | 360.0000 | | |
Control points
| Number | Address | County | Phone |
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| 1 | 104 Grafton Drive, Portsmouth, NH | ROCKINGHAM | 6034301111 |
License history
| Date | File or call sign | Action |
|---|
| 2018-03-31 | KMM4 | LIEXP |
| 2017-10-30 | KMM4 | LETRES |
| 2008-02-20 | KMM4 | LIREN |
| 2008-01-08 | KMM4 | ESUAPR |
| 2007-10-29 | KMM4 | LETRES |
| 2003-09-03 | KMM4 | LIAUA |
| 2003-08-01 | KMM4 | LETCNS |
| 2003-01-23 | KMM4 | LIISS |
| 2003-01-23 | KMM4 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2479435 | 2026-08-02 02:08:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KMM4 | ULS 2479435 | 2026-08-02 02:08:15 |
| Status | E | ULS 2479435 | 2026-08-02 02:08:15 |
| Service | AF | ULS 2479435 | 2026-08-02 02:08:15 |
| Grant Date | 2008-02-20 | ULS 2479435 | 2026-08-02 02:08:15 |
| Expiration Date | 2018-01-23 | ULS 2479435 | 2026-08-02 02:08:15 |
| Cancellation Date | 2018-03-31 | ULS 2479435 | 2026-08-02 02:08:15 |