<tdwidth="78%"class="vtable"><?phpechogettext("Devices with a Pulse Per Second output such as radios that receive a time signal from DCF77 (DE), JJY (JP), MSF (GB) or WWVB (US) may be used as a PPS reference for NTP.");?>
<?phpechogettext("A serial GPS may also be used, but the serial GPS driver would usually be the better option.");?>
if(!empty($serialports)):?>
<?phpechogettext("A PPS signal only provides a reference to the change of a second, so at least one other source to number the seconds is required.");?>
<br/><strong><?phpechogettext("Note");?>:</strong><?phpechogettext("At least 3 additional time sources should be configured under");?><ahref="services_ntpd.php"><?phpechogettext("Services > NTP");?></a><?phpechogettext("to reliably supply the time of each PPS pulse.");?>
<?=gettext("Fudge time is used to specify the PPS signal offset from the actual second such as the transmission delay between the transmitter and the receiver.");?> (<?=gettext("default");?>: 0.0).</td>
<?phpechogettext("Fudge time is used to specify the PPS signal offset from the actual second such as the transmission delay between the transmitter and the receiver.");?> (<?phpechogettext("default");?>: 0.0).</td>
<?phpechogettext("This may be used to change the PPS Clock stratum");?> (<?phpechogettext("default");?>: 0). <?phpechogettext("This may be useful if, for some reason, you want ntpd to prefer a different clock and just monitor this source.");?></td>
<divclass="hidden"for="help_for_stratum">
</tr>
<?=gettext("(0-16)");?><br/>
<tr>
<?=gettext("This may be used to change the PPS Clock stratum");?> (<?=gettext("default");?>: 0). <?=gettext("This may be useful if, for some reason, you want ntpd to prefer a different clock and just monitor this source.");?></td>
<spanclass="vexpl"><?phpechogettext("Record a timestamp once for each second, useful for constructing Allan deviation plots (default: disabled).");?></span>
<divclass="hidden"for="help_for_flags">
</td>
<?=gettext("Normally there should be no need to change these options from the defaults.");?><br/>
<?=gettext("Devices with a Pulse Per Second output such as radios that receive a time signal from DCF77 (DE), JJY (JP), MSF (GB) or WWVB (US) may be used as a PPS reference for NTP.");?>
</section>
<?=gettext("A serial GPS may also be used, but the serial GPS driver would usually be the better option.");?>
<?=gettext("A PPS signal only provides a reference to the change of a second, so at least one other source to number the seconds is required.");?>
<br/>
<br/><strong><?=gettext("Note");?>:</strong><?=gettext("At least 3 additional time sources should be configured under");?><ahref="services_ntpd.php"><?=gettext("Services > NTP");?></a><?=gettext("to reliably supply the time of each PPS pulse.");?>