Eastern Interconnect Frequency Events

Generated by the PSFM-1 Frequency Recorder

(updated hourly at 59 minutes past the hour)
All times are UTC.
Generated at 14:59:31 16-Dec-2018 UTC.
Date Pickup Dropout Delta Slope Type
12-01-18 03:52:21 03:52:30 -0.025 -0.0030 Delta -
12-01-18 03:53:44 03:53:52 -0.021 -0.0025 Delta -
12-01-18 03:54:27 03:54:36 0.024 0.0029 Delta +
12-01-18 04:09:38 04:09:45 0.020 0.0024 Delta +
12-01-18 06:38:59 06:39:03 -0.029 -0.0045 VT ROC
12-01-18 06:38:57 06:39:08 -0.030 -0.0041 Delta -
12-01-18 06:40:23 06:40:24 0.022 0.0045 VT ROC
12-01-18 06:40:21 06:40:28 0.023 0.0038 Delta +
12-01-18 06:42:07 06:42:16 -0.020 -0.0024 Delta -
12-01-18 07:05:29 07:05:36 0.022 0.0028 Delta +
12-01-18 07:13:32 07:13:47 -0.031 -0.0035 Delta -
12-01-18 08:06:21 08:06:29 0.022 0.0025 Delta +
12-01-18 09:14:16 09:14:24 0.023 0.0033 Delta +
12-01-18 09:24:13 09:24:19 0.021 0.0028 Delta +
12-01-18 10:35:00 10:35:01 0.025 0.0035 VT ROC
12-01-18 10:34:56 10:35:05 0.026 0.0034 Delta +
12-01-18 10:52:51 10:53:07 -0.024 -0.0025 Delta -
12-01-18 11:27:44 11:27:50 0.022 0.0031 Delta +
12-01-18 11:51:37 11:51:46 0.022 0.0032 Delta +
12-01-18 11:55:30 11:55:38 0.021 0.0022 Delta +
12-01-18 11:57:10 11:57:18 0.021 0.0025 Delta +
12-01-18 12:18:42 12:18:47 0.020 0.0021 Delta +
12-01-18 13:50:39 13:50:44 -0.020 -0.0023 Delta -
12-01-18 15:11:25 15:11:35 0.027 0.0032 Delta +
12-01-18 18:01:06 18:01:12 -0.020 -0.0024 Delta -
12-01-18 19:22:04 19:22:09 -0.019 -0.0025 Delta -
12-01-18 19:22:59 19:23:06 0.021 0.0025 Delta +
12-01-18 23:56:34 23:56:41 0.021 0.0028 Delta +
12-02-18 00:37:32 00:37:37 -0.020 -0.0023 Delta -
12-02-18 01:26:35 01:26:39 -0.019 -0.0023 Delta -
12-02-18 02:58:29 02:58:38 -0.021 -0.0025 Delta -
12-02-18 03:29:07 03:29:15 0.022 0.0028 Delta +
12-02-18 03:46:49 03:46:54 0.020 0.0025 Delta +
12-02-18 04:02:05 04:02:13 -0.023 -0.0027 Delta -
12-02-18 06:30:07 06:30:13 -0.020 -0.0025 Delta -
12-02-18 07:17:18 07:17:23 0.019 0.0021 Delta +
12-02-18 08:38:16 08:38:20 -0.029 -0.0047 VT ROC
12-02-18 08:38:26 08:38:31 -0.036 -0.0056 VT ROC
12-02-18 08:38:14 08:38:34 -0.037 -0.0049 Delta -
12-02-18 10:51:38 10:51:44 0.020 0.0022 Delta +
12-02-18 11:00:06 11:00:17 -0.024 -0.0032 Delta -
12-02-18 11:01:50 11:02:12 59.938   Under 59.940
12-02-18 11:54:14 11:54:19 0.020 0.0029 Delta +
12-02-18 12:08:07 12:08:13 -0.039 -0.0065 VT ROC
12-02-18 12:08:06 12:08:20 -0.040 -0.0056 Delta -
12-02-18 12:10:06 12:10:31 0.026 0.0033 Delta +
12-02-18 12:32:03 12:32:09 -0.020 -0.0025 Delta -
12-02-18 13:01:28 13:01:32 0.020 0.0028 Delta +
12-02-18 13:34:31 13:34:37 0.020 0.0023 Delta +
12-02-18 14:18:40 14:18:48 0.023 0.0024 Delta +
12-02-18 14:52:12 14:52:19 0.021 0.0033 Delta +
12-02-18 15:01:03 15:01:05 0.020 0.0042 VT ROC
12-02-18 15:01:04 15:01:14 0.025 0.0034 Delta +
12-02-18 16:36:53 16:37:00 0.021 0.0023 Delta +
12-02-18 19:31:00 19:31:05 -0.021 -0.0031 Delta -
12-02-18 21:16:47 21:16:53 -0.021 -0.0023 Delta -
12-02-18 22:18:47 22:18:50 0.027 0.0036 VT ROC
12-02-18 22:18:44 22:18:55 0.028 0.0035 Delta +
12-02-18 22:20:06 22:20:12 -0.034 -0.0045 VT ROC
12-02-18 22:20:04 22:20:17 -0.035 -0.0044 Delta -
12-02-18 23:46:30 23:46:39 0.021 0.0025 Delta +
12-02-18 23:59:53 23:59:59 -0.020 -0.0023 Delta -
12-03-18 01:22:19 01:22:22 0.019 0.0023 Delta +
12-03-18 02:13:20 02:13:31 0.023 0.0026 Delta +
12-03-18 03:37:54 03:38:02 0.021 0.0023 Delta +
12-03-18 03:46:54 03:47:01 0.020 0.0024 Delta +
12-03-18 04:54:58 04:55:07 -0.022 -0.0025 Delta -
12-03-18 04:58:09 04:58:15 -0.021 -0.0027 Delta -
12-03-18 06:31:01 06:31:11 0.025 0.0032 Delta +
12-03-18 06:52:48 06:52:54 -0.022 -0.0028 Delta -
12-03-18 08:15:23 08:15:28 0.020 0.0031 Delta +
12-03-18 08:26:56 08:27:05 0.025 0.0030 Delta +
12-03-18 09:01:56 09:02:01 0.019 0.0027 Delta +
12-03-18 10:00:09 10:00:15 -0.021 -0.0024 Delta -
12-03-18 11:02:13 11:02:17 0.019 0.0024 Delta +
12-03-18 11:32:42 11:32:47 -0.020 -0.0025 Delta -
12-03-18 11:49:53 11:50:00 -0.022 -0.0028 Delta -
12-03-18 11:50:11 11:50:15 0.019 0.0023 Delta +
12-03-18 14:30:16 14:30:23 0.020 0.0022 Delta +
12-03-18 20:11:06 20:11:13 -0.023 -0.0035 Delta -
12-03-18 21:34:36 21:34:38 0.021 0.0037 VT ROC
12-03-18 21:34:34 21:34:43 0.024 0.0033 Delta +
12-04-18 04:06:18 04:06:23 0.020 0.0021 Delta +
12-04-18 09:55:01 09:55:09 0.023 0.0029 Delta +
12-04-18 10:35:28 10:35:35 0.021 0.0024 Delta +
12-04-18 10:57:01 10:57:05 0.019 0.0026 Delta +
12-04-18 16:47:07 16:47:13 -0.020 -0.0028 Delta -
12-05-18 05:04:53 05:05:01 0.023 0.0029 Delta +
12-05-18 05:17:47 05:17:57 -0.022 -0.0025 Delta -
12-05-18 10:00:11 10:00:17 -0.020 -0.0022 Delta -
12-05-18 10:54:17 10:54:21 0.019 0.0021 Delta +
12-05-18 10:54:24 10:54:32 0.022 0.0028 Delta +
12-05-18 10:59:37 10:59:43 0.021 0.0026 Delta +
12-05-18 15:03:47 15:03:52 -0.020 -0.0033 Delta -
12-05-18 21:35:51 21:35:56 0.021 0.0026 Delta +
12-05-18 21:40:15 21:40:22 -0.021 -0.0024 Delta -
12-06-18 05:17:44 05:17:51 -0.021 -0.0024 Delta -
12-06-18 05:22:46 05:22:51 -0.019 -0.0022 Delta -
12-06-18 09:59:37 09:59:39 0.023 0.0042 VT ROC
12-06-18 09:59:36 09:59:46 0.026 0.0035 Delta +
12-06-18 11:00:50 11:01:01 -0.024 -0.0028 Delta -
12-06-18 11:43:16 11:43:23 0.020 0.0024 Delta +
12-06-18 21:26:17 21:26:22 0.019 0.0021 Delta +
12-06-18 21:34:46 21:34:53 0.022 0.0029 Delta +
12-06-18 22:53:16 22:53:20 -0.030 -0.0064 VT ROC
12-06-18 22:53:15 22:53:25 -0.032 -0.0052 Delta -
12-07-18 10:14:15 10:14:21 0.020 0.0029 Delta +
12-07-18 11:35:14 11:35:22 0.021 0.0027 Delta +
12-07-18 17:15:07 17:15:11 -0.020 -0.0024 Delta -
12-08-18 00:01:19 00:01:29 -0.023 -0.0028 Delta -
12-08-18 05:48:08 05:48:18 -0.023 -0.0028 Delta -
12-08-18 11:02:15 11:02:22 0.021 0.0029 Delta +
12-08-18 14:17:35 14:17:45 -0.024 -0.0026 Delta -
12-08-18 20:09:39 20:09:46 -0.020 -0.0024 Delta -
12-08-18 21:00:12 21:00:14 0.026 0.0037 VT ROC
12-08-18 21:00:09 21:00:20 0.029 0.0035 Delta +
12-09-18 07:56:42 07:56:53 0.027 0.0031 Delta +
12-09-18 09:02:46 09:02:50 -0.027 -0.0049 VT ROC
12-09-18 09:02:46 09:02:56 -0.029 -0.0047 Delta -
12-09-18 10:03:39 10:03:43 0.020 0.0024 Delta +
12-09-18 11:30:06 11:30:19 -0.021 -0.0027 Delta -
12-09-18 12:02:52 12:02:54 0.018 0.0037 VT ROC
12-09-18 12:02:53 12:03:00 0.023 0.0032 Delta +
12-09-18 12:48:43 12:48:45 0.022 0.0041 VT ROC
12-09-18 12:48:41 12:48:53 0.025 0.0036 Delta +
12-09-18 13:05:02 13:05:09 -0.020 -0.0023 Delta -
12-09-18 15:47:19 15:47:23 0.019 0.0021 Delta +
12-09-18 21:21:37 21:21:39 0.024 0.0041 VT ROC
12-09-18 21:21:34 21:21:45 0.026 0.0035 Delta +
12-10-18 06:32:52 06:33:01 -0.021 -0.0023 Delta -
12-10-18 07:16:17 07:16:21 -0.028 -0.0049 VT ROC
12-10-18 07:16:18 07:16:28 -0.031 -0.0044 Delta -
12-10-18 08:35:59 08:36:07 0.023 0.0028 Delta +
12-10-18 10:05:09 10:05:15 0.022 0.0031 Delta +
12-10-18 21:13:57 21:14:04 0.022 0.0026 Delta +
12-11-18 06:40:12 06:40:20 0.021 0.0027 Delta +
12-11-18 06:58:04 06:58:11 -0.021 -0.0025 Delta -
12-11-18 09:07:52 09:08:02 0.024 0.0035 Delta +
12-11-18 09:34:34 09:34:45 0.020 0.0021 Delta +
12-11-18 11:48:15 11:48:19 0.019 0.0022 Delta +
12-11-18 13:13:10 13:13:14 0.020 0.0023 Delta +
12-11-18 20:30:12 20:30:20 0.021 0.0030 Delta +
12-11-18 22:29:18 22:29:23 0.019 0.0023 Delta +
12-12-18 01:03:49 01:03:54 0.020 0.0024 Delta +
12-12-18 06:54:59 06:55:02 0.019 0.0029 Delta +
12-12-18 10:41:34 10:41:38 0.032 0.0043 VT ROC
12-12-18 10:41:31 10:41:43 0.033 0.0040 Delta +
12-12-18 11:05:13 11:05:24 0.025 0.0030 Delta +
12-12-18 11:19:09 11:19:19 0.022 0.0024 Delta +
12-12-18 12:54:38 12:54:46 0.024 0.0030 Delta +
12-12-18 19:36:46 19:36:51 -0.020 -0.0021 Delta -
12-12-18 19:51:36 19:51:38 -0.022 -0.0040 VT ROC
12-12-18 19:51:35 19:51:44 -0.026 -0.0035 Delta -
12-12-18 19:52:36 19:52:52 59.937   Under 59.940
12-12-18 20:55:12 20:55:24 0.026 0.0033 Delta +
12-12-18 21:22:30 21:22:36 0.022 0.0033 Delta +
12-12-18 21:47:58 21:48:05 0.020 0.0023 Delta +
12-13-18 05:59:44 05:59:53 0.021 0.0025 Delta +
12-13-18 09:59:43 09:59:47 0.020 0.0028 Delta +
12-13-18 11:00:12 11:00:19 -0.020 -0.0021 Delta -
12-13-18 11:22:19 11:22:23 0.019 0.0025 Delta +
12-13-18 12:00:09 12:00:14 -0.020 -0.0026 Delta -
12-13-18 12:59:42 12:59:49 -0.021 -0.0027 Delta -
12-13-18 18:28:20 18:28:22 -0.019 -0.0041 VT ROC
12-13-18 18:28:21 18:28:26 -0.021 -0.0035 Delta -
12-13-18 22:27:08 22:27:14 -0.020 -0.0025 Delta -
12-14-18 04:31:49 04:31:55 -0.021 -0.0026 Delta -
12-14-18 04:34:38 04:34:45 -0.021 -0.0027 Delta -
12-14-18 06:45:23 06:45:27 -0.028 -0.0048 VT ROC
12-14-18 06:45:21 06:45:32 -0.029 -0.0044 Delta -
12-14-18 08:02:49 08:02:53 -0.019 -0.0032 Delta -
12-14-18 10:12:29 10:12:36 0.020 0.0025 Delta +
12-14-18 10:44:27 10:44:35 0.023 0.0031 Delta +
12-14-18 12:00:12 12:00:16 -0.020 -0.0020 Delta -
12-15-18 01:55:16 01:55:24 0.020 0.0024 Delta +
12-15-18 02:32:36 02:32:43 0.021 0.0025 Delta +
12-15-18 04:55:35 04:55:44 -0.022 -0.0023 Delta -
12-15-18 05:54:47 05:54:55 -0.021 -0.0025 Delta -
12-15-18 06:30:06 06:30:08 -0.028 -0.0038 VT ROC
12-15-18 06:29:57 06:30:10 -0.031 -0.0033 Delta -
12-15-18 06:49:54 06:50:04 -0.020 -0.0021 Delta -
12-15-18 07:18:26 07:18:31 0.020 0.0025 Delta +
12-15-18 07:35:45 07:35:55 -0.023 -0.0028 Delta -
12-15-18 07:40:50 07:40:59 0.021 0.0024 Delta +
12-15-18 11:08:26 11:08:34 0.022 0.0030 Delta +
12-15-18 12:05:15 12:05:19 0.019 0.0023 Delta +
12-15-18 12:45:11 12:45:17 0.021 0.0031 Delta +
12-15-18 13:36:47 13:36:52 0.020 0.0028 Delta +
12-15-18 16:11:24 16:11:33 0.023 0.0029 Delta +
12-15-18 16:16:11 16:16:16 0.020 0.0020 Delta +
12-15-18 19:46:46 19:46:51 -0.020 -0.0024 Delta -
12-15-18 21:10:02 21:10:04 0.025 0.0044 VT ROC
12-15-18 21:10:00 21:10:14 0.030 0.0039 Delta +
12-15-18 21:46:36 21:46:44 0.021 0.0024 Delta +
12-15-18 22:37:16 22:37:24 0.020 0.0023 Delta +
12-16-18 01:11:27 01:11:36 -0.023 -0.0027 Delta -
12-16-18 01:49:01 01:49:05 -0.019 -0.0023 Delta -
12-16-18 01:49:52 01:50:02 0.022 0.0028 Delta +
12-16-18 03:31:39 03:31:47 -0.023 -0.0029 Delta -
12-16-18 03:45:41 03:45:51 0.024 0.0029 Delta +
12-16-18 04:10:04 04:10:10 -0.020 -0.0022 Delta -
12-16-18 04:39:29 04:39:38 -0.023 -0.0027 Delta -
12-16-18 04:41:29 04:41:34 0.020 0.0026 Delta +
12-16-18 05:08:55 05:09:02 -0.020 -0.0024 Delta -
12-16-18 06:28:25 06:28:40 -0.024 -0.0026 Delta -
12-16-18 07:00:53 07:00:59 -0.019 -0.0024 Delta -
12-16-18 07:31:21 07:31:29 -0.022 -0.0025 Delta -
12-16-18 09:54:03 09:54:11 0.019 0.0020 Delta +
12-16-18 10:10:56 10:10:58 0.024 0.0040 VT ROC
12-16-18 10:10:53 10:11:03 0.026 0.0037 Delta +
12-16-18 10:39:12 10:39:13 0.024 0.0036 VT ROC
12-16-18 10:39:14 10:39:16 0.026 0.0035 VT ROC
12-16-18 10:39:10 10:39:20 0.027 0.0036 Delta +
12-16-18 11:01:06 11:01:11 0.020 0.0028 Delta +
12-16-18 11:05:09 11:05:11 0.020 0.0041 VT ROC
12-16-18 11:05:10 11:05:14 0.021 0.0032 Delta +
12-16-18 11:16:51 11:16:55 0.021 0.0028 Delta +
12-16-18 11:50:59 11:51:09 0.022 0.0024 Delta +
12-16-18 12:41:09 12:41:17 0.023 0.0029 Delta +
12-16-18 14:09:52 14:09:57 0.020 0.0020 Delta +
12-16-18 14:27:20 14:27:24 -0.026 -0.0050 VT ROC
12-16-18 14:27:21 14:27:32 -0.030 -0.0044 Delta -
PSFM Hardware and software by Robert M. Orndorff
Generated at 14:59:31 16-Dec-2018 UTC.
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