Prototype build of 3 USBrelay v0.1 by Bdale 2014.05.07.
+## sn 1868-1870 ##
+
+Prototype build of 3 FCtester v0.1 by Bdale 2014.05.11.
+
+## sn 1871-1873 ##
+
+Prototype build of 3 EasyMega v0.1 by Bdale 2014.05.14
+
+## sn 1874-1981 ##
+
+Production run of 108 pieces of TeleGPS v1.0 by
+[Advanced Circuits](http://4pcb.com), received 2014.05.21.
+