Saturday April 18, 2026 09:25 EDT
** The project ID links in the below schedule will bring the user to the appropriate page in the DSS (login required)**
| 2026-04-18 (ET) | Type | Project ID | Project Title | PI | Friend | Rcvrs | Frequency (GHz) |
|---|---|---|---|---|---|---|---|
| +00:00 - 05:45 | A | GMVA25B-200 | Probing the dynamic jet-disk connection in M87 during the 2026 EHT campaign | Lu | Gregory | X, W | 7.80 - 12.00, 68.00 - 92.00 |
| 05:45 - 07:45 | A | GBT25B-206 | Anomalous Mode Changing in the High-Precision Millisecond Pulsar J1909-3744 | Lam | Turner | 800 | 0.68 - 0.92 |
| 07:45 - 09:45 | A | GBT26A-999 | Breakthrough Listen Project | Siemion | Bautista | L, C, X | 1.15 - 1.73, 3.85 - 8.00, 7.80 - 12.00 |
| 09:45 - 11:45 | A | GBT26A-999 | Breakthrough Listen Project | Siemion | Bautista | L, C, X | 1.15 - 1.73, 3.85 - 8.00, 7.80 - 12.00 |
| 11:45 - 13:45 | A | GBT26A-999 | Breakthrough Listen Project | Siemion | Bautista | L, C, X | 1.15 - 1.73, 3.85 - 8.00, 7.80 - 12.00 |
| 13:45 - 15:45 | A | GBT26A-999 | Breakthrough Listen Project | Siemion | Bautista | L, C, X | 1.15 - 1.73, 3.85 - 8.00, 7.80 - 12.00 |
| 15:45 - 17:45 | A | GBT26A-999 | Breakthrough Listen Project | Siemion | Bautista | L, C, X | 1.15 - 1.73, 3.85 - 8.00, 7.80 - 12.00 |
| 17:45 - 19:45 | A | GBT26A-999 | Breakthrough Listen Project | Siemion | Bautista | L, C, X | 1.15 - 1.73, 3.85 - 8.00, 7.80 - 12.00 |
| 19:45 - 00:00+ | A | GBT26A-054 | The metallicity of high-velocity clouds | Wakker | O'Neil | L | 1.15 - 1.73 |
| 2026-04-19 (ET) | Type | Project ID | Project Title | PI | Friend | Rcvrs | Frequency (GHz) |
| +00:00 - 00:45 | A | GBT26A-054 | The metallicity of high-velocity clouds | Wakker | O'Neil | L | 1.15 - 1.73 |
| 00:45 - 03:45 | A | GBT26A-224 | Mapping Cool Clouds in the Milky Way's Nuclear Wind | Bordoloi | Bautista | L | 1.15 - 1.73 |
| 03:45 - 09:00 | A | GBT25B-106 | GBT Diffuse Ionized Gas Survey at Low frequencies -- GDIGS-Low | Salas | Armentrout | 800 | 0.68 - 0.92 |
| 09:00 - 10:30 | A | GBT25B-025 | Timing the New Huntsman Millisecond Pulsar PSR J1947-1120 | Strader | Bautista | 800 | 0.68 - 0.92 |
| 10:30 - 15:30 | A | GBT26A-578 | Extending the GBT M31 Molecular Ring Survey in OH | Busch | Armentrout | L | 1.15 - 1.73 |
| 15:30 - 19:30 | A | GBT24B-077 | A Quest for More GLUCOSE: the GBT L1544 Unbiased Complex Organics SurvEy | Scibelli | Morgan | Q | 39.20 - 49.80 |
| 19:30 - 22:30 | A | GBT26A-553 | Constraining the Spectral Properties of X-band M-dwarf Flares | Tristan | Morgan | X | 7.80 - 12.00 |
| 22:30 - 00:00+ | A | GBT26A-576 | Constraining the HI-Stellar Mass Relation for Low-Mass Isolated Galaxies | Asali | Smith | L | 1.15 - 1.73 |
| 2026-04-20 (ET) | Type | Project ID | Project Title | PI | Friend | Rcvrs | Frequency (GHz) |
| +00:00 - 01:30 | A | GBT26A-576 | Constraining the HI-Stellar Mass Relation for Low-Mass Isolated Galaxies | Asali | Smith | L | 1.15 - 1.73 |
| 01:30 - 03:30 | A | GBT26A-087 | Verifying the binary hypothesis of a repeating fast radio burst | Dai | Lynch | C, X | 3.85 - 8.00, 7.80 - 12.00 |
| 03:30 - 06:30 | A | GBT26A-486 | A Search for Outer Galaxy Hot Molecular Cores | Cuazoson | Morgan | KFPA | 17.00 - 27.50 |
| 06:30 - 07:15 | A | GBT26A-491 | Assessing the New MSP J1811-3206 for NANOGrav Inclusion | Cromartie | Gregory | 800 | 0.68 - 0.92 |
| 07:15 - 08:45 | A | GBT26A-226 | Searching for the Pulses of a New Candidate Huntsman Millisecond Pulsar | Kyer | Bautista | 800 | 0.68 - 0.92 |
| 08:00 - 16:30 | M | Maintenance | Maintenance Period A- No receiver changes | Chestnut | Minter | 800, L, C, X, Q, KFPA, W, ARGUS, MBA2 | |
| 08:00 - 16:30 | M | Maintenance | Maintenance Period B- No receiver changes | Chestnut | Minter | 800, L, C, X, Q, KFPA, W, ARGUS, MBA2 | |
| 17:00 - 00:00+ | A | GMVA25B-348 | mm-VLBI monitoring of TeV-emitting AGN | Eppel | Gregory | W | 68.00 - 92.00 |
| 2026-04-21 (ET) | Type | Project ID | Project Title | PI | Friend | Rcvrs | Frequency (GHz) |
| +00:00 - 03:00 | A | GMVA25B-348 | mm-VLBI monitoring of TeV-emitting AGN | Eppel | Gregory | W | 68.00 - 92.00 |
| 03:00 - 08:30 | A | GMVA24B-054 | Precision astrometry of Sgr A* with 3mm VLBI observations of SiO stellar masers | Janssen | Gregory | W | 68.00 - 92.00 |
| 08:30 - 18:00 | A | GMVA25B-348 | mm-VLBI monitoring of TeV-emitting AGN | Eppel | Gregory | W | 68.00 - 92.00 |
| 2026-04-22 (ET) | Type | Project ID | Project Title | PI | Friend | Rcvrs | Frequency (GHz) |