| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mathew | "the authors did two levels of survey-- first the 6 minute 'snapshots' and then they used that to determine where to place passive monitors for long..." | Read more » | over 8 years ago | |||
| kevinvivergy | "Wow that is super interesting. That would definitely cover the variation over space... but what about if the levels vary over time in each particul..." | Read more » | over 8 years ago | |||
| mathew | "hah! school networks are always a problem. I posted a note recently on hotspot identification, the first stage of which involved a systematic surv..." | Read more » | over 8 years ago | |||
| kevinvivergy | "Thanks @mathew! Has certainly been an adventure. Only consistent issue has been school internet security protocols- they treat the Raspberry Pi as ..." | Read more » | over 8 years ago | |||
| mathew | "I'm revisiting your note, just want to say again how cool this is! great to see you're still up and posting data. " | Read more » | over 8 years ago | |||
| kevinvivergy | "Yeah I was thinking the same with the paint, introduces another source for pollutants. When I called the Dylos folks, they said that the device wi..." | Read more » | about 9 years ago | |||
| DavidMack | "I was thinking you could expose the intake to ambient temperature in winter and by heating the enclosure you'd be warming the instrument and air in..." | Read more » | about 9 years ago | |||
| kevinvivergy | "@Davidmack all good thoughts, thanks for the detailed response. -The big challenge with intake thing is that, if I understand your approach correc..." | Read more » | about 9 years ago | |||
| DavidMack | "@kevinvivergy great detailed post. I'm not that familiar with the Dylos--haven't handled one--but looking at some photos maybe just cut out holes ..." | Read more » | about 9 years ago | |||
| kevinvivergy | "Thanks @mathew! Yeah @jeff showed those to me, the AQICN one was pretty straight up too and I just went with theirs because I read their tutorial f..." | Read more » | about 9 years ago | |||
| mathew | "awesome resources and case! hadn't seen this summary of low cost PM sensors: http://www.aqmd.gov/aq-spec/evaluations#&MainContent_C001_Col00=2 " | Read more » | about 9 years ago | |||
| mathew | "if you're interested, we made Dylos drivers for Open Pipe Kit for the Pi-- its a flexible platform for pushing data to Phant and any other database..." | Read more » | about 9 years ago |