operator instructions

operator.md

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+Hi!
+
+Many thanks for joining the galmon.eu project as a station operator! 
+
+Here are some things to think about:
+
+ * Please ask bert@hubertnet.nl or [ahu on
+   IRC](https://webchat.oftc.net/?channels=galileo) or
+   [@PowerDNS_Bert](https://twitter.com/PowerDNS_Bert) for a station id. 
+ * Please do not randomly pick a station ID!!
+ * The rule is: one station ID per receiver. Do not under any circumstances
+   use the same ID on multiple receivers, even if you think it should be
+   fine. We have 2^64 IDs available, just ask for more IDs
+ * Even if you think it should be fine to reuse the same ID, for example
+   because your observer page on galmon.eu will look nicer, DO NOT DO IT. It
+   messes up our algorithms which track the clock of your receiver.
+ * You can set --owner and --remark fields, which helps with administration.
+   These fields will show up on https://galmon.eu/observers.html
+ * Ublox8 based receivers support GPS/Galileo + BeiDou OR GLONASS. You can't
+   do all four at the same time. GPS and Galileo share a slot. If you want
+   to know if you should add BeiDou or GLONASS, you can either use your own
+   preference or ask us what we are missing in your region.
+
+Downtime
+--------
+The project is grateful for every bit you can provide. Don't feel bad about
+downtime either because your family needs the power plug for Christmas
+decorations (this happened) or for whatever reason. 
+
+A good way to increase uptime is to use the Systemd file to ensure automatic
+startup on reboots. Some stations with bad power, bad hardware or bad cables
+have had great success enabling the Raspberry Pi watchdog.
+
+(need instruction here how to do that for various Raspberries, it differs)
+
+Upgrades
+--------
+From time to time we upgrade the ubxtool receiver software. Old data also
+works but typically if you upgrade, the value to the network increases.
+
+Improving reception
+-------------------
+A good view of the sky can help tremendously, although as noted, we are
+happy with every bit we receive. It helps to put your receiver on a "ground
+plate" which is a fancy word for a piece of metal (or mesh even). 
+
+In addition, if you are in a northerly region, your view to the south is
+most important. Conversely, if you are in the south, more action will be to
+the north.