What does the value of Bz (B sub Z) represent?
| A | Geomagnetic field stability |
| B | Direction and strength of the interplanetary magnetic field |
| C | Duration of long-delayed echoes |
| D | Critical frequency for vertical trans |
https://www.spaceweatherlive.com/en/help/the-interplanetary-magnetic-field-imf
Northeast Cracker Barrel Net 