Yes, is it log or linear? What is Anderson Mesa? Jack ----- Original Message ----- From: "Ken Reeves" <kreeves@xxxxxxxxx> To: <az-observing@xxxxxxxxxxxxx> Sent: Monday, March 19, 2007 8:08 PM Subject: [AZ-Observing] Re: SQM readings Pardon my ignorance, but what is an SQM and what is the scale of it? Ken Reeves Joseph R. Goss wrote: Friday and Saturday nights at the antenna site on Hovatter Road I took hourlyreadings as follow: 3-16-07 Time temp. humidity SQM 2000 75 17% 21.38 2100 71 17% 21.47 2200 65 20% 21.66 2300 65 21% 21.70 0000 61 23% 21.69 3-17-07 2015 81 16% 21.39 2100 76 17% 21.52 2200 66 20% 21.65 2300 68 19% 21.69 0000 63 20% 21.72 Joe Goss -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list. -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list. -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.