Universal Licensing System
KSR725
SUN SERVICES CORPORATION
License details
| ULS identifier | 1838935 |
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| Call sign | KSR725 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-06-08 |
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| Expiration | 2011-06-16 |
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| Cancellation | 2011-08-20 |
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| Frequency range | 451.75 - 456.75 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | PHILADELPHIA, PHILADELPHIA, PA |
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| Coordinates | 39.9523333, -75.1665556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:41 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.75000000 | | | 75.000000 | 487.000000 | |
| 2 | 1 | FX1 | 456.75000000 | | | 25.000000 | 42.000000 | |
| 3 | 1 | MO | 456.75000000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.75000000 | | 11K2F3E |
| 1 | 1 | 451.75000000 | | 20K0F3E |
| 2 | 1 | 456.75000000 | | 20K0F3E |
| 2 | 1 | 456.75000000 | | 11K2F3E |
| 3 | 1 | 456.75000000 | | 11K2F3E |
| 3 | 1 | 456.75000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1500 MARKET ST, PHILADELPHIA, PHILADELPHIA, PA | 39.95233333, -75.16655556 | 12.000 m | BMAST | 159.000 m structure / 162.000 m overall | N |
| 2 | T | 3144 PASSYUNK AVE, PHILADELPHIA, PHILADELPHIA, PA | 39.91955556, -75.20072222 | 9.000 m | BMAST | 18.000 m structure / 21.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 162.000 m | | | | 146.000 | |
| 1 | 2 | T | | 21.000 m | | | | 8.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | SECURITY HEADQUARTERS 3144 W PASSYUNK AVE, PHILADELPHIA, PA | PHILADELPHIA | 2153392664 |
License history
| Date | File or call sign | Action |
|---|
| 2011-08-20 | KSR725 | LIEXP |
| 2011-03-21 | KSR725 | LETRES |
| 2010-10-18 | KSR725 | LIMOD |
| 2002-03-08 | KSR725 | AUDOPR |
| 2001-06-08 | KSR725 | LIREN |
| 2001-03-19 | KSR725 | LETRES |
| 2000-11-23 | KSR725 | LICCNV |
| 1996-04-11 | KSR725 | LIREN |
| 1996-04-11 | KSR725 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1838935 | 2026-08-02 01:16:41 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KSR725 | ULS 1838935 | 2026-08-02 01:16:41 |
| Status | E | ULS 1838935 | 2026-08-02 01:16:41 |
| Service | IG | ULS 1838935 | 2026-08-02 01:16:41 |
| Grant Date | 2001-06-08 | ULS 1838935 | 2026-08-02 01:16:41 |
| Expiration Date | 2011-06-16 | ULS 1838935 | 2026-08-02 01:16:41 |
| Cancellation Date | 2011-08-20 | ULS 1838935 | 2026-08-02 01:16:41 |