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 | GUPPI | 818.71 | NANOGrav | 2018-03-11T13:45:56 | 58188.57 | 29:21 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 818.15 | NANOGrav | 2018-04-09T12:00:16 | 58217.50 | 27:37 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 818.53 | NANOGrav | 2018-05-05T09:28:35 | 58243.39 | 27:06 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 817.61 | NANOGrav | 2018-06-01T04:21:19 | 58270.18 | 15:17 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 808.81 | NANOGrav | 2018-07-03T06:13:31 | 58302.26 | 29:32 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 815.55 | NANOGrav | 2018-08-06T02:58:40 | 58336.12 | 24:30 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 807.65 | NANOGrav | 2018-09-05T01:03:00 | 58366.04 | 28:19 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 820.00 | NANOGrav | 2018-10-06T23:22:03 | 58397.97 | 22:04 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 819.31 | NANOGrav | 2018-11-03T21:20:27 | 58425.89 | 22:04 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 815.60 | NANOGrav | 2018-12-09T19:06:42 | 58461.80 | 22:04 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 815.17 | NANOGrav | 2019-01-07T17:06:55 | 58490.71 | 18:25 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 814.76 | NANOGrav | 2019-02-02T14:50:25 | 58516.62 | 20:19 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 813.54 | NANOGrav | 2019-03-05T14:16:46 | 58547.59 | 18:56 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 821.84 | NANOGrav | 2019-04-10T11:07:23 | 58583.46 | 21:53 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 814.48 | NANOGrav | 2019-05-06T09:30:42 | 58609.40 | 18:35 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 809.73 | NANOGrav | 2019-06-02T07:42:55 | 58636.32 | 21:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 821.24 | NANOGrav | 2019-07-08T05:20:35 | 58672.22 | 22:14 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 817.44 | NANOGrav | 2019-08-05T03:37:29 | 58700.15 | 22:35 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 809.73 | NANOGrav | 2019-09-04T01:19:27 | 58730.06 | 22:14 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GUPPI | 810.04 | NANOGrav | 2019-10-03T23:36:04 | 58759.98 | 22:04 | kaplan |