Xref: utzoo sci.electronics:8397 rec.ham-radio:14490 sci.astro:5597 sci.space:15119
Path: utzoo!utgpu!watmath!att!pacbell!ames!excelan!ames!apple!mips!vaso
From: vaso@mips.COM (Vaso Bovan)
Newsgroups: sci.electronics,rec.ham-radio,sci.astro,sci.space
Subject: Re: Trying to build a fluxgate magnetometer -- help!
Summary: Modern unit is tesla
Keywords: magnetometer fluxgate aurora solar geomagnetic field
Message-ID: <28601@buckaroo.mips.COM>
Date: 2 Oct 89 06:25:32 GMT
References: <1914@sactoh0.UUCP>
Reply-To: vaso@mips.COM (Vaso Bovan)
Organization: MIPS Computer Systems, Sunnyvale, CA
Lines: 12

In article <1914@sactoh0.UUCP> mahaun@sactoh0.UUCP (Mark A. Haun) writes:
>
>I am trying to build a fluxgate magnetometer sensitive enough to
>monitor variations in the Earth's magnetic field, mostly to observe
>magnetic storms caused by big flares on the sun (March 13, 1989
>stuff especially :-) !).
>
>I would like to measure changes at least as small as
>10 gammas (.001 Gauss), and if possible, even smaller.
>

?  You mean of course, nanotesla (nT), since 1954.  :-)