Universal Licensing System
KPP4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1969070 |
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| Call sign | KPP4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2017-01-31 |
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| Expiration | 2027-02-14 |
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| Frequency range | 129.65 MHz |
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| Locations | 1 |
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| Representative location | BOSTON, SUFFOLK, MA |
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| Coordinates | 42.3642778, -71.0053333 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:26 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 129.65000000 | | | 55.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 129.65000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | LOGAN INTERNATIONAL AIRPORT, BOSTON, SUFFOLK, MA | 42.36427778, -71.00533333 | 6.000 m | B | 9.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2017-01-31 | KPP4 | LIREN |
| 2016-11-21 | KPP4 | LETRES |
| 2015-02-06 | KPP4 | LIAUA |
| 2015-02-05 | KPP4 | ESUAPR |
| 2015-02-05 | KPP4 | LIAUA |
| 2015-02-04 | KPP4 | ESUAPR |
| 2007-03-01 | KPP4 | AUTHPR |
| 2007-01-30 | KPP4 | LIREN |
| 2006-11-20 | KPP4 | LETRES |
| 2006-03-07 | KPP4 | AUTHPR |
| 2006-01-01 | KPP4 | LIASS |
| 2005-07-25 | KPP4 | ESCAPR |
| 2002-01-01 | KPP4 | LIREN |
| 2001-11-19 | KPP4 | LETRES |
| 2001-04-27 | KPP4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1969070 | 2026-08-02 02:08:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KPP4 | ULS 1969070 | 2026-08-02 02:08:26 |
| Status | A | ULS 1969070 | 2026-08-02 02:08:26 |
| Service | AF | ULS 1969070 | 2026-08-02 02:08:26 |
| Grant Date | 2017-01-31 | ULS 1969070 | 2026-08-02 02:08:26 |
| Expiration Date | 2027-02-14 | ULS 1969070 | 2026-08-02 02:08:26 |