The base magnetic values recorded for the ophiolitic sequence are 44000 nanoTesla
(nT) and the total magnetic field values range from 44300 to 47300 nT.
"It's about 2 6 2.5 nanotesla
at satellite altitude, which is about 20,000 times weaker than Earth's global magnetic field."
where T is the magnetic anomaly in nanotesla
(nT), m is the target magnetic moment in Ampere-meter (2) ([Am.sup.2]), r is distance between observation spot and dipole in meters (m), and n is a measure of the rate of decay with distance or falloff rate (n = 3 for dipole; n = 2 for monopole).
The data were measured in gamma ([gamma]) unit, where 1 [gamma] = 1nT (nanotesla
Another component of SEP is a magnetometer that measures the magnetic field vector in the range of [+ or -]400 nanotesla
They were able to detect biomagnetic fields of strength of up to one nanotesla
and phase shifts of about a third of a degree.
[28.] Persinger MA, Cook LL, Koren SA (2000) Suppression of experimental allergic encephalomyelitis in rats by brief, hourly pulses of nanoTesla
complex magnetic fields that simulate geomagnetic activity.
To set the scene for some of the content that follows, the field is commonly measured in nanoTesla
(nT) units; the undisturbed field in southern Britain is ~48,500nT, with components of say 19,700nT northwards in the horizontal plane and 44,300nT vertically down.
The magnetic measurements in the survey area were made with a GSM-8 Proton Precession magnetometer; the equipment measures the Earth's total magnetic field in gamma (nanotesla
In all cases the amplitudes used are very low, usually between 100 nanoTesla
(nT) and 1000 nT, and rarely above 5000 nT.
At Mercury's equator, however, the craft detected a persistent magnetic field of a few hundred nanotesla
equivalent to about one-hundredth that of Earth's.
Compared to the typical EDA-DMILS response, this MF response was around 5 to 10 times stronger, but this was probably due to the much greater strength of the artificial field when compared with those that could be generated by the human body: At best, the MF of the latter is around 0.1 nanoTesla
(i.e., more than 100,000 times weaker).