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 02:59:31 18-Jun-2018 UTC.
Date Pickup Dropout Delta Slope Type
06-01-18 05:19:38 05:19:43 -0.020 -0.0023 Delta -
06-01-18 10:01:27 10:01:35 0.023 0.0027 Delta +
06-01-18 10:05:17 10:05:21 0.019 0.0028 Delta +
06-01-18 15:21:12 15:21:18 -0.021 -0.0030 Delta -
06-01-18 19:30:58 19:31:04 -0.020 -0.0026 Delta -
06-02-18 04:11:11 04:11:16 0.019 0.0023 Delta +
06-02-18 06:28:15 06:28:19 0.020 0.0027 Delta +
06-02-18 06:42:45 06:42:54 0.021 0.0021 Delta +
06-02-18 06:51:39 06:51:44 -0.019 -0.0025 Delta -
06-02-18 08:11:32 08:11:42 0.024 0.0026 Delta +
06-02-18 08:46:22 08:46:30 0.022 0.0027 Delta +
06-02-18 09:06:25 09:06:31 0.023 0.0033 Delta +
06-02-18 11:00:07 11:00:13 -0.020 -0.0028 Delta -
06-02-18 11:01:36 11:01:46 0.021 0.0024 Delta +
06-02-18 11:06:54 11:07:00 0.021 0.0023 Delta +
06-02-18 11:45:14 11:45:20 -0.021 -0.0024 Delta -
06-02-18 12:34:43 12:34:45 0.020 0.0037 VT ROC
06-02-18 12:34:43 12:34:50 0.023 0.0032 Delta +
06-02-18 12:49:23 12:49:27 0.020 0.0027 Delta +
06-02-18 13:45:35 13:45:41 0.021 0.0027 Delta +
06-02-18 18:08:52 18:08:55 -0.020 -0.0021 Delta -
06-03-18 01:12:54 01:13:00 0.019 0.0022 Delta +
06-03-18 02:31:30 02:31:39 -0.024 -0.0028 Delta -
06-03-18 03:55:28 03:55:32 0.019 0.0025 Delta +
06-03-18 04:09:44 04:09:48 0.020 0.0021 Delta +
06-03-18 04:52:05 04:52:12 -0.022 -0.0033 Delta -
06-03-18 05:00:03 05:00:11 -0.023 -0.0031 Delta -
06-03-18 05:36:08 05:36:18 0.024 0.0028 Delta +
06-03-18 07:43:32 07:43:35 0.019 0.0025 Delta +
06-03-18 12:23:48 12:23:52 -0.030 -0.0064 VT ROC
06-03-18 12:23:46 12:23:55 -0.030 -0.0051 Delta -
06-03-18 12:25:27 12:25:35 0.023 0.0030 Delta +
06-03-18 13:10:12 13:10:18 0.021 0.0027 Delta +
06-03-18 13:22:55 13:23:10 0.030 0.0034 Delta +
06-03-18 13:46:15 13:46:19 -0.019 -0.0020 Delta -
06-03-18 14:51:59 14:52:04 0.020 0.0021 Delta +
06-03-18 21:09:58 21:10:01 -0.018 -0.0047 VT ROC
06-03-18 21:10:00 21:10:04 -0.021 -0.0033 Delta -
06-04-18 03:19:17 03:19:26 -0.021 -0.0027 Delta -
06-04-18 04:10:08 04:10:11 -0.020 -0.0028 Delta -
06-04-18 05:46:05 05:46:09 -0.020 -0.0027 Delta -
06-04-18 06:04:01 06:04:06 0.020 0.0027 Delta +
06-04-18 06:26:23 06:26:28 -0.021 -0.0025 Delta -
06-04-18 06:33:47 06:33:52 0.019 0.0023 Delta +
06-04-18 06:54:52 06:55:01 0.024 0.0027 Delta +
06-04-18 07:23:10 07:23:15 0.020 0.0026 Delta +
06-04-18 08:12:51 08:12:55 0.020 0.0023 Delta +
06-04-18 08:59:38 08:59:42 0.026 0.0046 VT ROC
06-04-18 08:59:37 08:59:47 0.027 0.0044 Delta +
06-04-18 09:58:18 09:58:26 0.025 0.0029 Delta +
06-04-18 10:00:20 10:00:31 -0.024 -0.0027 Delta -
06-04-18 10:04:07 10:04:14 0.020 0.0028 Delta +
06-04-18 10:37:16 10:37:20 0.020 0.0031 Delta +
06-04-18 11:25:36 11:25:43 0.025 0.0033 Delta +
06-04-18 11:41:44 11:41:48 -0.020 -0.0025 Delta -
06-04-18 13:17:03 13:17:06 0.026 0.0045 VT ROC
06-04-18 13:17:02 13:17:12 0.027 0.0040 Delta +
06-04-18 13:33:18 13:33:25 0.022 0.0027 Delta +
06-04-18 14:20:08 14:20:13 -0.032 -0.0064 VT ROC
06-04-18 14:20:07 14:20:18 -0.033 -0.0053 Delta -
06-04-18 23:38:50 23:38:58 0.021 0.0024 Delta +
06-05-18 01:03:05 01:03:09 0.020 0.0026 Delta +
06-05-18 02:10:57 02:11:02 -0.020 -0.0022 Delta -
06-05-18 03:31:01 03:31:05 -0.019 -0.0025 Delta -
06-05-18 03:56:49 03:56:54 -0.020 -0.0027 Delta -
06-05-18 04:17:54 04:18:01 -0.022 -0.0025 Delta -
06-05-18 04:25:29 04:25:36 -0.020 -0.0022 Delta -
06-05-18 05:00:44 05:00:52 -0.024 -0.0026 Delta -
06-05-18 07:25:05 07:25:11 0.022 0.0031 Delta +
06-05-18 09:43:53 09:43:58 0.033 0.0049 VT ROC
06-05-18 09:43:50 09:44:02 0.034 0.0047 Delta +
06-05-18 10:18:13 10:18:18 0.021 0.0032 Delta +
06-05-18 11:31:55 11:31:59 0.019 0.0020 Delta +
06-05-18 12:01:47 12:01:59 0.025 0.0031 Delta +
06-05-18 14:30:17 14:30:21 0.020 0.0022 Delta +
06-05-18 16:20:07 16:20:12 -0.030 -0.0069 VT ROC
06-05-18 16:20:07 16:20:16 -0.030 -0.0052 Delta -
06-05-18 17:52:55 17:52:59 0.020 0.0022 Delta +
06-06-18 03:45:47 03:45:51 -0.028 -0.0049 VT ROC
06-06-18 03:45:45 03:45:56 -0.029 -0.0044 Delta -
06-06-18 04:07:38 04:07:45 -0.022 -0.0028 Delta -
06-06-18 04:16:14 04:16:27 -0.028 -0.0030 Delta -
06-06-18 05:19:41 05:19:45 -0.029 -0.0048 VT ROC
06-06-18 05:19:40 05:19:51 -0.031 -0.0043 Delta -
06-06-18 10:00:09 10:00:14 -0.020 -0.0028 Delta -
06-06-18 10:27:53 10:27:57 -0.019 -0.0023 Delta -
06-06-18 10:30:49 10:30:57 0.022 0.0035 Delta +
06-06-18 11:02:53 11:03:01 0.022 0.0029 Delta +
06-06-18 11:10:32 11:10:42 0.025 0.0034 Delta +
06-06-18 13:47:34 13:47:41 -0.020 -0.0026 Delta -
06-06-18 13:56:21 13:56:22 0.021 0.0037 VT ROC
06-06-18 13:56:20 13:56:28 0.025 0.0034 Delta +
06-06-18 21:14:19 21:14:30 -0.023 -0.0025 Delta -
06-06-18 23:40:19 23:40:27 -0.021 -0.0023 Delta -
06-07-18 02:00:15 02:00:23 0.023 0.0027 Delta +
06-07-18 02:44:01 02:44:07 -0.021 -0.0024 Delta -
06-07-18 03:30:16 03:30:27 -0.025 -0.0028 Delta -
06-07-18 04:11:59 04:12:07 0.023 0.0026 Delta +
06-07-18 05:52:10 05:52:19 -0.022 -0.0025 Delta -
06-07-18 09:17:15 09:17:19 -0.019 -0.0022 Delta -
06-07-18 09:29:59 09:30:04 0.024 0.0038 Delta +
06-07-18 10:05:51 10:05:59 0.025 0.0035 Delta +
06-07-18 11:41:37 11:41:41 0.027 0.0044 VT ROC
06-07-18 11:41:35 11:41:46 0.028 0.0037 Delta +
06-07-18 12:09:36 12:09:43 0.022 0.0031 Delta +
06-07-18 12:13:54 12:13:58 0.019 0.0022 Delta +
06-07-18 12:37:34 12:37:40 0.021 0.0025 Delta +
06-07-18 15:00:06 15:00:09 -0.020 -0.0025 Delta -
06-07-18 15:24:24 15:24:33 0.022 0.0024 Delta +
06-07-18 19:29:36 19:29:39 -0.023 -0.0047 VT ROC
06-07-18 19:29:35 19:29:43 -0.024 -0.0037 Delta -
06-08-18 03:21:26 03:21:29 0.019 0.0027 Delta +
06-08-18 04:25:17 04:25:24 0.020 0.0023 Delta +
06-08-18 04:59:41 04:59:47 0.022 0.0033 Delta +
06-08-18 05:08:11 05:08:20 -0.022 -0.0026 Delta -
06-08-18 06:35:50 06:35:58 -0.023 -0.0028 Delta -
06-08-18 06:50:13 06:50:18 0.021 0.0031 Delta +
06-08-18 09:27:18 09:27:23 -0.020 -0.0027 Delta -
06-08-18 11:45:36 11:45:45 0.023 0.0026 Delta +
06-08-18 12:00:06 12:00:11 0.021 0.0025 Delta +
06-08-18 12:39:49 12:39:53 0.019 0.0027 Delta +
06-08-18 13:38:35 13:38:48 -0.025 -0.0028 Delta -
06-09-18 01:26:27 01:26:31 -0.019 -0.0021 Delta -
06-09-18 01:28:38 01:28:43 0.020 0.0024 Delta +
06-09-18 04:00:07 04:00:11 -0.020 -0.0026 Delta -
06-09-18 10:37:49 10:37:56 -0.020 -0.0024 Delta -
06-09-18 11:11:19 11:11:27 0.023 0.0034 Delta +
06-09-18 11:22:44 11:22:54 0.025 0.0031 Delta +
06-09-18 12:00:45 12:00:50 0.028 0.0045 VT ROC
06-09-18 12:00:44 12:00:54 0.029 0.0043 Delta +
06-09-18 12:40:13 12:40:15 0.021 0.0041 VT ROC
06-09-18 12:40:12 12:40:21 0.025 0.0034 Delta +
06-09-18 13:03:16 13:03:23 0.021 0.0028 Delta +
06-09-18 13:14:06 13:14:10 0.020 0.0031 Delta +
06-09-18 14:30:22 14:30:29 0.020 0.0021 Delta +
06-09-18 14:53:09 14:53:14 0.021 0.0030 Delta +
06-09-18 15:55:32 15:55:40 0.021 0.0024 Delta +
06-09-18 17:53:53 17:54:02 0.022 0.0027 Delta +
06-10-18 02:39:43 02:39:49 0.020 0.0022 Delta +
06-10-18 04:00:06 04:00:15 -0.025 -0.0029 Delta -
06-10-18 08:35:54 08:36:00 -0.020 -0.0022 Delta -
06-10-18 10:30:23 10:30:26 -0.019 -0.0026 Delta -
06-10-18 11:39:48 11:39:57 0.026 0.0035 Delta +
06-10-18 12:40:22 12:40:26 -0.020 -0.0025 Delta -
06-10-18 13:00:18 13:00:23 0.021 0.0028 Delta +
06-10-18 13:59:44 13:59:50 0.021 0.0032 Delta +
06-10-18 16:00:42 16:00:47 -0.020 -0.0024 Delta -
06-10-18 16:31:33 16:31:38 0.020 0.0029 Delta +
06-10-18 16:44:22 16:44:26 0.019 0.0021 Delta +
06-11-18 00:35:16 00:35:24 -0.021 -0.0025 Delta -
06-11-18 01:34:53 01:34:58 -0.019 -0.0022 Delta -
06-11-18 04:31:37 04:31:45 0.022 0.0029 Delta +
06-11-18 06:03:31 06:03:40 0.024 0.0028 Delta +
06-11-18 06:43:04 06:43:09 0.019 0.0022 Delta +
06-11-18 08:27:31 08:27:32 0.022 0.0036 VT ROC
06-11-18 08:27:29 08:27:37 0.025 0.0036 Delta +
06-11-18 08:36:46 08:36:53 0.024 0.0032 Delta +
06-11-18 09:31:19 09:31:29 0.024 0.0030 Delta +
06-11-18 10:55:47 10:55:52 0.020 0.0025 Delta +
06-11-18 11:25:30 11:25:36 0.021 0.0022 Delta +
06-11-18 15:00:17 15:00:23 0.022 0.0030 Delta +
06-11-18 15:37:23 15:37:26 -0.021 -0.0040 VT ROC
06-11-18 15:37:23 15:37:31 -0.025 -0.0035 Delta -
06-12-18 05:37:07 05:37:10 -0.019 -0.0022 Delta -
06-12-18 07:08:05 07:08:15 0.023 0.0028 Delta +
06-12-18 08:16:10 08:16:21 0.022 0.0031 Delta +
06-12-18 08:30:39 08:30:47 0.025 0.0037 Delta +
06-12-18 08:41:57 08:42:03 0.020 0.0029 Delta +
06-12-18 09:20:08 09:20:14 0.020 0.0031 Delta +
06-12-18 09:21:56 09:22:04 0.025 0.0037 Delta +
06-12-18 09:32:52 09:32:57 0.020 0.0027 Delta +
06-12-18 10:32:58 10:33:06 0.021 0.0028 Delta +
06-12-18 14:41:11 14:41:19 0.023 0.0031 Delta +
06-12-18 14:54:22 14:54:29 0.021 0.0029 Delta +
06-12-18 19:39:35 19:39:41 -0.035 -0.0056 VT ROC
06-12-18 19:39:34 19:39:45 -0.036 -0.0056 Delta -
06-12-18 19:39:36 19:39:58 59.935   Under 59.940
06-12-18 19:40:04 19:40:21 59.938   Under 59.940
06-12-18 20:05:07 20:05:09 -0.020 -0.0040 VT ROC
06-12-18 20:05:07 20:05:13 -0.021 -0.0036 Delta -
06-12-18 20:39:27 20:39:31 -0.029 -0.0059 VT ROC
06-12-18 20:39:26 20:39:35 -0.029 -0.0050 Delta -
06-12-18 20:42:14 20:42:18 0.019 0.0024 Delta +
06-12-18 22:54:37 22:54:45 0.022 0.0025 Delta +
06-12-18 23:11:11 23:11:19 0.020 0.0023 Delta +
06-13-18 00:34:35 00:34:42 0.020 0.0023 Delta +
06-13-18 02:48:38 02:48:43 0.021 0.0024 Delta +
06-13-18 04:32:25 04:32:32 -0.021 -0.0024 Delta -
06-13-18 05:42:01 05:42:07 -0.021 -0.0024 Delta -
06-13-18 07:33:47 07:33:56 0.028 0.0036 Delta +
06-13-18 07:45:14 07:45:22 0.023 0.0035 Delta +
06-13-18 08:00:04 08:00:09 -0.020 -0.0025 Delta -
06-13-18 08:03:14 08:03:22 0.024 0.0035 Delta +
06-13-18 09:48:17 09:48:26 0.025 0.0033 Delta +
06-13-18 16:23:13 16:23:20 0.021 0.0026 Delta +
06-13-18 18:24:00 18:24:03 -0.025 -0.0050 VT ROC
06-13-18 18:23:59 18:24:09 -0.028 -0.0040 Delta -
06-14-18 06:25:34 06:25:39 0.020 0.0028 Delta +
06-14-18 11:00:07 11:00:17 -0.023 -0.0029 Delta -
06-14-18 11:52:10 11:52:19 0.022 0.0026 Delta +
06-14-18 17:20:25 17:20:32 -0.020 -0.0024 Delta -
06-14-18 23:06:06 23:06:13 -0.021 -0.0031 Delta -
06-15-18 04:06:55 04:07:02 0.021 0.0023 Delta +
06-15-18 04:25:46 04:25:50 0.020 0.0021 Delta +
06-15-18 05:54:53 05:54:59 0.021 0.0023 Delta +
06-15-18 06:38:47 06:38:52 0.020 0.0025 Delta +
06-15-18 06:44:29 06:44:34 0.020 0.0025 Delta +
06-15-18 08:38:39 08:38:45 0.020 0.0025 Delta +
06-15-18 10:00:11 10:00:21 -0.020 -0.0021 Delta -
06-15-18 11:00:22 11:00:27 0.021 0.0030 Delta +
06-15-18 11:05:01 11:05:08 0.023 0.0029 Delta +
06-15-18 12:01:17 12:01:23 0.020 0.0026 Delta +
06-15-18 12:17:11 12:17:19 0.025 0.0032 Delta +
06-15-18 13:15:55 13:16:01 0.022 0.0030 Delta +
06-16-18 07:16:21 07:16:28 0.022 0.0021 Delta +
06-16-18 13:01:32 13:01:37 0.020 0.0028 Delta +
06-16-18 13:33:08 13:33:18 0.029 0.0034 Delta +
06-17-18 00:51:58 00:52:02 0.020 0.0023 Delta +
06-17-18 02:21:02 02:21:13 -0.025 -0.0029 Delta -
06-17-18 05:18:50 05:18:53 -0.026 -0.0046 VT ROC
06-17-18 05:18:48 05:18:56 -0.027 -0.0038 Delta -
06-17-18 07:08:47 07:08:51 -0.029 -0.0050 VT ROC
06-17-18 07:08:47 07:08:57 -0.030 -0.0047 Delta -
06-17-18 08:38:16 08:38:22 0.021 0.0025 Delta +
06-17-18 12:01:50 12:01:54 0.019 0.0024 Delta +
06-17-18 21:38:04 21:38:14 -0.026 -0.0034 Delta -
PSFM Hardware and software by Robert M. Orndorff
Generated at 02:59:31 18-Jun-2018 UTC.
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