Table 2.
Sources of NM data during GLE #5 and their data specifications.
| NM name | Data source | Q | PC | R [min] | PI | MI | MV | I [%⋅h] |
|---|---|---|---|---|---|---|---|---|
| Albuquerque | MS Simpson B217 F15 & Brown (1956) | T | C | 5 | 2:03–3:03 | 02:03–11:03 | Y | 873 |
| USS Arneb | MS Simpson B218 F1 | T | C | 1 | 1:03–3:03 | 00:03–(+1)06:49 | Y | 953 |
| Berkeley | MS Simpson B216 F12 | T | C | 15 | 2:45–3.15 | 02:45–08:00 | 396.5 | |
| Chicago | MS Simpson B218 F1 | T | C | 1 | 1:00–3:00 | 00:00–(+1)04:00 | 3931 | |
| Climax | MS Simpson B218 F1 | T | C | 1 | 1:00–3:00 | 00:00–(+1)03:30 | 2902 | |
| Durham | MS Simpson B217 F14 | T | C | 60 | 0:30–2:30 | (–1)21:30–(+1)01:30 | 6294 | |
| Göttingen | Meyer (1956) | D | ? | 15 | 2:42–3.27 | 02:42–14:12 | 2146 | |
| Huancayo | MS Simpson B218 F1 | T | C | 30 | 1:00–3:00 | (–1)23:00–11:00 | 18.7 | |
| Leeds | Marsden et al. (1956) | DT | C | 15 | 0:00–3:30 | (–1)16:30–13:30 | 4487 | |
| Mexico | MS Simpson B218 F1 | T | C | 15 | 1:00–3:00 | 00:00–09:00 | 58.7 | |
| Mt. Norikura | MS Simpson B218 F2 | T | ? | 5 | Not specified | 01:30–06:00 | 21.1 | |
| Ottawa | MS Simpson B217 F17 | T | C | 1 | 1:00–3:00 | 00:00–(+1)23:59 | 5990 | |
| Sacramento Peak | MS Simpson B218 F1 | T | C | 30 | 1:00–3:00 | 00:00–(+1)04:00 | 705.8 | |
| Stockholm | Sandström & Eckhartt (1956) | D | C | 60 | 1:00–3:00 | 00:00–23:59 | 5245 | |
| Weißenau | Ehmert & Pfotzer (1956) | D | ? | 20 | 1:00–3:00 | 01:00–14:00 | 1461 |
Notes. Column Q is for the data type: T is for tabulated, and D is for digitised from figures. Column PC is the pressure-corrected data flag: C indicates the count rates here are corrected by pressure; and the question marks (?) indicate that it is unclear if their count rates are corrected by pressure or not. Column R is the best time resolution of the given dataset. PI shows the pre-increase time interval used for the calculation of percentage increase. MI shows the measurement interval. Both PI and MI are indicated in UT for 23 February 1956 (±1 indicates the day before or after). Letter Y in column MV indicates if there are missing values in the NM count rates during GLE #5. I is the time-integrated count rate increase. I values calculated using the interpolated GLE increase values for the missing data are shown in italics.
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