IPTA Pulsar Observation Database: Observations
| Pulsar | Telescope | Receiver | Backend | Frequency (MHz) | Project | Start (UT) | Start (MJD) | Duration (min:sec) | Submitter | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| B1937+21 | GBT | Rcvr_800 | GASP | 826.35 | NANOGrav | 2004-12-04T22:30:20 | 53343.94 | 21:02 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 821.98 | NANOGrav | 2005-03-17T12:07:52 | 53446.51 | 27:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 817.17 | NANOGrav | 2005-04-21T09:51:12 | 53481.41 | 15:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 825.28 | NANOGrav | 2005-11-20T15:16:42 | 53694.64 | 24:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 826.29 | NANOGrav | 2006-01-03T12:36:49 | 53738.53 | 15:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 825.54 | NANOGrav | 2006-01-31T11:27:42 | 53766.48 | 24:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 826.50 | NANOGrav | 2006-02-04T09:50:20 | 53770.41 | 21:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 824.09 | NANOGrav | 2006-03-04T09:36:01 | 53798.40 | 18:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 825.47 | NANOGrav | 2006-04-14T06:54:11 | 53839.29 | 18:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 826.21 | NANOGrav | 2006-05-04T05:45:14 | 53859.24 | 15:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 824.33 | NANOGrav | 2006-06-04T03:38:52 | 53890.15 | 24:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 823.30 | NANOGrav | 2006-07-03T01:48:39 | 53919.08 | 21:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 824.57 | NANOGrav | 2006-09-03T21:37:06 | 53981.90 | 27:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 854.55 | NANOGrav | 2006-10-05T19:30:48 | 54013.81 | 24:00 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 853.77 | NANOGrav | 2006-10-27T18:06:19 | 54035.75 | 24:00 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 852.27 | NANOGrav | 2006-12-03T15:38:06 | 54072.65 | 21:00 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 852.27 | NANOGrav | 2006-12-31T13:51:05 | 54100.58 | 24:00 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 850.08 | NANOGrav | 2007-04-30T05:57:33 | 54220.25 | 21:00 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 855.24 | NANOGrav | 2007-09-30T19:57:38 | 54373.83 | 12:00 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 851.38 | NANOGrav | 2007-11-24T16:15:21 | 54428.68 | 15:00 | kaplan |