Allan, I use Amprobe 850D chart paper in my HP 117A. I've found that this site has the lowest prices: _http://www.tequipment.net/AmprobePriceList.asp_ (http://www.tequipment.net/AmprobePriceList.asp) If you find a better source, please let me know. Regards, Russ _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
