Universal Licensing System
WPNX900
COMMUNICATIONS ELECTRONICS INC
License details
| ULS identifier | 1808799 |
|---|
| Call sign | WPNX900 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2004-07-15 |
|---|
| Expiration | 2014-07-28 |
|---|
| Cancellation | 2014-11-22 |
|---|
| Frequency range | 451.4 - 457.25 MHz (8 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | HARFORD, MD |
|---|
| Coordinates | 39.5834444, -76.3330278 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:08:49 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | FB6T | 451.40000000 | | | 110.000000 | | |
| 8 | 1 | MO | 451.40000000 | | | 110.000000 | | |
| 2 | 1 | FB6T | 451.92500000 | | | 110.000000 | | |
| 6 | 1 | MO | 451.92500000 | | | 110.000000 | | |
| 1 | 1 | FB6T | 452.12500000 | | | 110.000000 | | |
| 5 | 1 | MO | 452.12500000 | | | 110.000000 | | |
| 3 | 1 | FB6T | 452.25000000 | | | 110.000000 | | |
| 7 | 1 | MO | 452.25000000 | | | 110.000000 | | |
| 8 | 1 | MO | 456.40000000 | | | 110.000000 | | |
| 6 | 1 | MO | 456.92500000 | | | 110.000000 | | |
| 5 | 1 | MO | 457.12500000 | | | 110.000000 | | |
| 7 | 1 | MO | 457.25000000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 451.40000000 | | 11K2F3E |
| 4 | 1 | 451.40000000 | | 20K0F3E |
| 8 | 1 | 451.40000000 | | 20K0F3E |
| 8 | 1 | 451.40000000 | | 11K2F3E |
| 2 | 1 | 451.92500000 | | 20K0F3E |
| 2 | 1 | 451.92500000 | | 11K2F3E |
| 6 | 1 | 451.92500000 | | 11K2F3E |
| 6 | 1 | 451.92500000 | | 20K0F3E |
| 1 | 1 | 452.12500000 | | 20K0F3E |
| 1 | 1 | 452.12500000 | | 11K2F3E |
| 5 | 1 | 452.12500000 | | 11K2F3E |
| 5 | 1 | 452.12500000 | | 20K0F3E |
| 3 | 1 | 452.25000000 | | 11K2F3E |
| 3 | 1 | 452.25000000 | | 20K0F3E |
| 7 | 1 | 452.25000000 | | 11K2F3E |
| 7 | 1 | 452.25000000 | | 20K0F3E |
| 8 | 1 | 456.40000000 | | 20K0F3E |
| 8 | 1 | 456.40000000 | | 11K2F3E |
| 6 | 1 | 456.92500000 | | 11K2F3E |
| 6 | 1 | 456.92500000 | | 20K0F3E |
| 5 | 1 | 457.12500000 | | 20K0F3E |
| 5 | 1 | 457.12500000 | | 11K2F3E |
| 7 | 1 | 457.25000000 | | 11K2F3E |
| 7 | 1 | 457.25000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BALTIMORE, MD | 39.45427778, -76.63719444 | | | | |
| 2 | T | BALTIMORE, MD | 39.33344444, -76.48302778 | | | | |
| 3 | T | HARFORD, MD | 39.58344444, -76.33302778 | | | | |
| 4 | T | HOWARD, MD | 39.25011111, -76.93302778 | | | | |
| 5 | T | BALTIMORE, MD | 39.45427778, -76.63719444 | | | | |
| 6 | T | BALTIMORE, MD | 39.33344444, -76.48302778 | | | | |
| 7 | T | HARFORD, MD | 39.58344444, -76.33302778 | | | | |
| 8 | T | HOWARD, MD | 39.25011111, -76.93302778 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | | | | | | |
| 1 | 8 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 1953 Greenspring Drive, Timonium, MD | BALTIMORE | 4102521222 |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 5071 |
License history
| Date | File or call sign | Action |
|---|
| 2014-11-22 | WPNX900 | LIEXP |
| 2014-07-10 | WPNX900 | ESUAPR |
| 2014-05-05 | WPNX900 | LETRES |
| 2012-11-29 | WPNX900 | LIMOD |
| 2012-11-27 | WPNX900 | ESUAPR |
| 2005-08-06 | WPNX900 | LIAUA |
| 2005-08-05 | WPNX900 | ESUAPR |
| 2004-07-15 | WPNX900 | LTSAPR |
| 2004-05-03 | WPNX900 | LETRES |
| 2001-09-18 | WPNX900 | AUDOPR |
| 2000-11-23 | WPNX900 | LICCNV |
| 1999-07-28 | WPNX900 | AUTHPR |
| 1999-07-28 | WPNX900 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1808799 | 2026-08-02 01:08:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNX900 | ULS 1808799 | 2026-08-02 01:08:49 |
| Status | E | ULS 1808799 | 2026-08-02 01:08:49 |
| Service | IG | ULS 1808799 | 2026-08-02 01:08:49 |
| Grant Date | 2004-07-15 | ULS 1808799 | 2026-08-02 01:08:49 |
| Expiration Date | 2014-07-28 | ULS 1808799 | 2026-08-02 01:08:49 |
| Cancellation Date | 2014-11-22 | ULS 1808799 | 2026-08-02 01:08:49 |