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.\"     Title: fcal
.\"    Author: [see the "AUTHOR" section]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: 02/20/2021
.\"    Manual: WSJT-X Manual
.\"    Source: AsciiDoc 2.3.0
.\"  Language: English
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.TH "FCAL" "1" "02/20/2021" "AsciiDoc 2\&.3\&.0" "WSJT\-X Manual"
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.SH "NAME"
fcal \- Calculates a best\-fit straight line for calibration data
.SH "SYNOPSIS"
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\fBfcal\fR [\fIFILE\fR]
.SH "DESCRIPTION"
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\fBfcal\fR is one of suite of command line tools designed to aid frequency measurement\&. These tools are aimed at those taking part in the ARRL FMT, but are also useful for general frequency measurement and calibration\&. They are included within the \fBWSJT\-X\fR package for use with the FreqCal mode of WSJT\-X\&.
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The input FILE is normally the output of the \fBfmtavg\fR(1) tool, after adjusting to remove bad sources\&.
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Refer to https://physics\&.princeton\&.edu/pulsar/k1jt/FMT_User\&.pdf for detailed instructions\&.
.SH "AUTHOR"
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Joe Taylor, K1JT\&.
.SH "COPYING"
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\fBfcal\fR is Copyright \(co 2001 \- 2019 by Joseph H\&. Taylor, Jr\&., K1JT, with contributions from additional authors\&. WSJT\-X is Open Source software, licensed under the GNU General Public License (GPLv3)\&.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE\&. See the GNU General Public License for more details\&.