The Geophysical Institute Magnetometer Array GIMA Status

Insitu Insight UAS

Stuart Creek Alaska

Midnight Sun, 22 June, 2007

The Geophysical Institute

Magnetometer Array

GIMA

Status, Updates, Future

Donald Hampton

Research Assistant Prof.

Geophysical Institute

&

Optical Science Manager

Poker Flat Research Range

dhampton@alaska.edu

(907)455-2256

Our Magnetometers

NAROD Three-axis fluxgate magnetometers

Temperature stability: < 0.1 nT/degree (sensor);

Long term drift: < 10 pT/day;

Noise: 7 pT/root Hz @ 1Hz;

Orthogonality error: <0.1 degree;

Digitization: 16 bits;

Normal ops – 1Hz

Station Locations

Mag Only

Mag

+

Optics

CIGO

System Diagram

Operations and archiving funded by GI overhead

Down – three chan. pegged

OK – 7 year old comp.

No net. – 10+ year old comp.

One channel down

OK – 10+ year old comp.

OK – brand new NUC

OK – 6 year old comp.

One channel down.

OK – 10+ year old comp.

September 2011

What is different about these

two plots?

Intel NUC

CentOS

Python scripts

NASA HIDEE Funding

Student programmer

Data Portal – File access

TDAS?

FYU, GAK

SuperMAG ready

Three formats

Raw ASCII, NCDF, CSV

magnet[ometer].gi.alaska.edu

Current State

Summer, 2016

Available hardware

would allow addition

of blue stations

Stage 1

Stage 2?