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Date: Wed, 13 Dec 2000 17:34:18 +0900
From: UEMATSU Shinsuke <uematsu@cbo.mss.co.jp>
To: FreeBSD-users-jp@jp.freebsd.org
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Subject: [FreeBSD-users-jp 57515] xntpd/ntpd
 =?ISO-2022-JP?B?GyRCJEgbKEI=?= FURUNO TS-820
 =?ISO-2022-JP?B?GyRCJEc8QUxkGyhC?= 
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$B?">>$H$$$$$^$9!#(B

xntpd/ntpd$B$H(BFURUNO Time Server(TS-820)$B$G(Bstratum-1$B$J(BNTP$B%5!<%P(B
$B$r9=C[$7$h$&$H$7$F$$$^$9!#!J$H$$$&$+!"$7$F$^$9!#!K(B

$B;HMQ$7$F$$$k4D6-$H$7$F$O!"(B
(a) FreeBSD 3.5.1R$B!\(Bxntpd(3.4e)$B!\M-B<$5$s$N%Q%C%A(B(*1)
(b) FreeBSD 4.1R$B!\(Bntpd(4.0.99b)$B!\2<@n$5$s$N%Q%C%A(B(*2)
(c) FreeBSD 3.5.1R$B!\(Bntpd(4.0.99k)$B!\2<@n$5$s$N%Q%C%A2~(B(*3)
(d) FreeBSD 4.1R$B!\(Bntpd(4.0.99k)$B!\2<@n$5$s$N%Q%C%A2~(B(*3)
$B$,$"$j$^$9!#!JM-B<$5$s!"2<@n$5$s$K$OBgJQ46<U$7$F$$$^$9!K(B

(*1) http://www.hn.is.uec.ac.jp/~arimura/ntp/index-j.html
(*2) [FreeBSD-users-jp 50775] ntpd for Furuno GPS
(*3) ntpd-4.0.99k$B$O(B http://www.eecis.udel.edu/~ntp/ $B$h$j:G?7(B
     $B$N%=!<%9$rF~<j!#2<@n$5$s$N%Q%C%A$r$3$l$KEv$?$k$h$&2~JQ(B
     $B$7$F$$$^$9!#!J8x3+$7$F$b$$$$$N$G$9$,(B....$B2<$NLdBj$,(B....$B!K(B

$B8=>u!"(BTS-820$B$,$D$J$,$C$F$$$k$N$,(B3.5.1R$B$J%5!<%P$J$N$G!"(B(a)$B$H(B
(c)$B$G<g$K;HMQ$7$F$$$^$9!#!J8=:_$O(B3$BF|$[$IA0$+$i(B(c)$B$G$9!K(B

$B$G$9$,!"$$$:$l$N4D6-$G$b(Btime offset$B$,%_%jICC10L!J4hD%$C$F$b(B
$B?tI4!J$^$?$O?t==!K%^%$%/%mICC10L!K$K$7$+<}B+$7$^$;$s!#(B
$B!J(Boption PPS_SYNC$B$rDI2C$7$F%+!<%M%k:F9=C[$O$7$F$$$^$9!#!K(B
(ex) loopstats
51891 28644.393 -0.000115078 -26.160568 0.000000016 0.000841 6
51891 28774.370 -0.000116979 -26.161469 0.000000013 0.000856 6
51891 28903.366 -0.000121252 -26.162399 0.000000012 0.000875 6

$B$J$s$H$J$/!"(BPPS_SYNC$B$,$5$l$F$$$J$$(B($B!)(B)$B$h$&$K$b;W$&$N$G$9$,!"(B
$B$=$l$r3N$+$a$k<jCJ$O$"$k$N$G$7$g$&$+!)(B
$B$=$l$H$b!"$J$K$+$H$s$G$b$J$$4V0c$$$r$7$F$$$k$N$G$7$g$&$+!)(B
TS-820$B$N@-G=$+$i$7$F!^#1%^%$%/%mIC$/$i$$$K$O$J$k$N$G$O!)$H(B
$B;W$C$F$$$k$N$G$9$,!#!#!#(B

$B$J$*!"(Bntpdc$B$N(Bkerninfo$B$H(Bsysinfo$B$O0J2<$N$h$&$G$9!#(B

ntpdc> kerninfo
pll offset:           -0.000119562 s
pll frequency:        -26.165 ppm
maximum error:        0.042882 s
estimated error:      0 s
status:               2001  pll nano
pll time constant:    6
precision:            1e-09 s
frequency tolerance:  496 ppm
pps frequency:        -25.682 ppm
pps stability:        0.000 ppm
pps jitter:           0 s
calibration interval: 4 s
calibration cycles:   0
jitter exceeded:      0
stability exceeded:   0
calibration errors:   0

ntpdc> sysinfo
system peer:          GPS_NMEA(1)
system peer mode:     client
leap indicator:       00
stratum:              3
precision:            -20
root distance:        0.00000 s
root dispersion:      0.00233 s
reference ID:         [127.127.20.1]
reference time:       bde1ad2a.93075b3e  Wed, Dec 13 2000 17:09:14.574
system flags:         auth monitor ntp kernel stats kernel_sync 
jitter:               0.000000 s
stability:            0.001 ppm
broadcastdelay:       0.003998 s
authdelay:            0.000000 s

$B!V(Bstatus:               2001  pll nano$B!W$H$+(B
$B!V(Bsystem flags:         auth monitor ntp kernel stats kernel_sync $B!W(B
$B$H$+$K$J$C$F$$$k$N$G!"(Bnano$BC10L$d(Bkernel_sync$B$K$J$C$F$$$k$H$O(B
$B;W$C$F$O$$$1$J$$$N$G$7$g$&$+!)(B

$B<ALd$P$+$j$G?=$7Lu$"$j$^$;$s!#$J$s$H$J$/G<F@$$$+$J$$$N$G$9!#(B
$B$h$m$7$/$*4j$$$7$^$9!#(B

p.s.
$B!V(Boptions CLK_USE_I8254_CALIBRATION$B!W$OM-8z$G$7$?!#(B
$B$3$l!J(B3.5.1$B$N>l9g$O(Boptions "CLK_USE_I8254_CALIBRATION"$B!K$r(B
$B$D$1$k$^$G$O!"?t==%_%jIC%*!<%@!<$K$7$+<}B+$7$^$;$s$G$7$?!#(B

-----
uematsu@cbo.mss.co.jp/$B?">>(B $B?-M4(B 
