Universal Licensing System
WSIS579
Helmsco, Inc.
License details
| ULS identifier | 5151257 |
|---|
| Call sign | WSIS579 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2025-06-16 |
|---|
| Expiration | 2035-06-16 |
|---|
| Frequency range | 10835 - 11645 MHz (4 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | Hallsburg, MCLENNAN, TX |
|---|
| Coordinates | 31.5470000, -96.9571944 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:21 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 10835.00000000 | | | | | |
| 1 | 2 | FXO | 11155.00000000 | | | | | |
| 1 | 1 | FXO | 11325.00000000 | | | | | |
| 1 | 2 | FXO | 11645.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10835.00000000 | | 77M0D7D |
| 1 | 1 | 10835.00000000 | | 77M0D7D |
| 1 | 1 | 10835.00000000 | | 77M0D7D |
| 1 | 1 | 10835.00000000 | | 77M0D7D |
| 1 | 1 | 10835.00000000 | | 77M0D7D |
| 1 | 1 | 10835.00000000 | | 77M0D7D |
| 1 | 1 | 10835.00000000 | | 77M0D7D |
| 1 | 1 | 10835.00000000 | | 77M0D7D |
| 1 | 2 | 11155.00000000 | | 77M0D7D |
| 1 | 2 | 11155.00000000 | | 77M0D7D |
| 1 | 2 | 11155.00000000 | | 77M0D7D |
| 1 | 2 | 11155.00000000 | | 77M0D7D |
| 1 | 2 | 11155.00000000 | | 77M0D7D |
| 1 | 2 | 11155.00000000 | | 77M0D7D |
| 1 | 2 | 11155.00000000 | | 77M0D7D |
| 1 | 2 | 11155.00000000 | | 77M0D7D |
| 1 | 1 | 11325.00000000 | | 77M0D7D |
| 1 | 1 | 11325.00000000 | | 77M0D7D |
| 1 | 1 | 11325.00000000 | | 77M0D7D |
| 1 | 1 | 11325.00000000 | | 77M0D7D |
| 1 | 1 | 11325.00000000 | | 77M0D7D |
| 1 | 1 | 11325.00000000 | | 77M0D7D |
| 1 | 1 | 11325.00000000 | | 77M0D7D |
| 1 | 1 | 11325.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | No Exact Address, Hallsburg, MCLENNAN, TX | 31.54700000, -96.95719444 | 155.000 m | LTOWER | 18.300 m structure / 18.300 m overall | |
| 2 | R | | 31.63030556, -97.02263889 | 141.000 m | | | |
| 3 | R | | 31.48055556, -96.91191667 | 167.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Jirous JRMC-900-10/11 | | S | 37.5000 | 326.2000 | | |
| 1 | 2 | R | Jirous JRMC-900-10/11 | | | 37.5000 | | | |
| 1 | 3 | R | Jirous JRMC-900-10/11 | | | 37.5000 | | | |
| 2 | 1 | T | Jirous JRMC-900-10/11 | | S | 37.5000 | 149.7000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-06-16 | WSIS579 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5151257 | 2026-08-02 02:47:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIS579 | ULS 5151257 | 2026-08-02 02:47:21 |
| Status | A | ULS 5151257 | 2026-08-02 02:47:21 |
| Service | MG | ULS 5151257 | 2026-08-02 02:47:21 |
| Grant Date | 2025-06-16 | ULS 5151257 | 2026-08-02 02:47:21 |
| Expiration Date | 2035-06-16 | ULS 5151257 | 2026-08-02 02:47:21 |