IPTA Pulsar Observation Database: Observations
| Pulsar | Telescope | Receiver | Backend | Frequency (MHz) | Project | Start (UT) | Start (MJD) | Duration (min:sec) | Submitter | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| J1640+2224 | Arecibo | 430 | PUPPI | 432.22 | NANOGrav | 2019-07-19T00:59:10 | 58683.04 | 20:32 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.12 | NANOGrav | 2019-07-27T00:08:13 | 58691.01 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 429.18 | NANOGrav | 2019-07-28T23:50:21 | 58692.99 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 435.18 | NANOGrav | 2019-08-04T23:37:33 | 58699.98 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 429.62 | NANOGrav | 2019-08-11T23:08:11 | 58706.96 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.13 | NANOGrav | 2019-08-19T22:20:08 | 58714.93 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.88 | NANOGrav | 2019-09-03T21:57:39 | 58729.92 | 21:32 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.11 | NANOGrav | 2019-09-09T21:22:58 | 58735.89 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 433.12 | NANOGrav | 2019-09-14T20:37:13 | 58740.86 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 436.13 | NANOGrav | 2019-09-20T20:21:42 | 58746.85 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 433.44 | NANOGrav | 2019-09-21T20:43:32 | 58747.86 | 20:32 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 427.55 | NANOGrav | 2019-09-28T20:25:28 | 58754.85 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.62 | NANOGrav | 2019-10-06T19:51:01 | 58762.83 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 427.55 | NANOGrav | 2019-10-09T19:32:14 | 58765.81 | 20:32 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.70 | NANOGrav | 2019-10-10T19:46:56 | 58766.82 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.35 | NANOGrav | 2019-10-27T18:32:44 | 58783.77 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.94 | NANOGrav | 2019-10-27T19:34:11 | 58783.82 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 433.23 | NANOGrav | 2019-11-02T17:41:01 | 58789.74 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 435.11 | NANOGrav | 2019-11-03T18:03:19 | 58790.75 | 20:32 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.79 | NANOGrav | 2019-11-11T17:16:08 | 58798.72 | 20:37 | kaplan |