| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| JuanfraAlvarez | "thanks @warren, that post (pdf of field calibrations) is the reason we changed the sampletime to 3600000ms (1h) as this guys have tested its in ho..." | Read more » | about 8 years ago | |||
| warren | "Awesome post and good questions! I did find this interesting post w some possibly helpful info: https://publiclab.org/notes/Willie/04-01-2014/fie..." | Read more » | about 8 years ago | |||
| JuanfraAlvarez | "Here the PM10 (and NO2) Levels this afternoon. " | Read more » | about 8 years ago | |||
| JuanfraAlvarez | "If you want to check the station we are going to be using as reference, its exactly the one circled in the image, you can check it in this link htt..." | Read more » | about 8 years ago | |||
| imvec | "Found out that seedstudio folks have this image in the documentation but no value... https://raw.githubusercontent.com/SeeedDocument/Grove_Dust_Sen..." | Read more » | about 8 years ago | |||
| liz | "Hey @kevinvivergy it's so great to hear from you! Here's the blue tagging assistance box that you will see when you click on "click here": ...W..." | Read more » | over 8 years ago | |||
| kevinvivergy | "Can do @liz, any in particular you would recommend? Not familiar with the system! " | Read more » | over 8 years ago | |||
| liz | "Hi @kevinvivergy, i have just tagged this note as an activity that others could try as well. I did this by adding the tag activity:open-air. If you..." | Read more » | over 8 years ago | |||
| kevinvivergy | "Thanks @drapoli! Yeah, when I built this thing I had not heard of Purple Air, I am really interested to learn more about it. The AQMD site has done..." | Read more » | over 8 years ago | |||
| drapoli | "Great discussion and a lot of good ideas. The AQ-SPEC group (www.aqmd.gov/aq-spec) has published results on several PM sensors other than the Dylos..." | Read more » | over 8 years ago | |||
| kevinvivergy | "Ahhh I see. And it looks like both ways showed that there is a big plume of particulates coming out of the rock quarry that dissipated over the rig..." | Read more » | almost 9 years ago | |||
| 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 » | almost 9 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 » | almost 9 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 » | almost 9 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 » | almost 9 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 » | almost 9 years ago | |||
| nshapiro | "Hi @bdebaque sounds interesting! Do you know at what altitudes pm 2.5 measurements remain relevant for surface level exposure? If so I'd love to k..." | Read more » | almost 9 years ago | |||
| bdebaque | "Thanks for the idea, here is a book worth reading: Aerosol Measurement: Principles, Techniques, and Applications publié par Pramod Kulkarni,Paul A..." | Read more » | about 9 years ago | |||
| mathew | "the airflow issue may be solvable with a reciprocating pump. We've been playing with AC pumps, you probably would need a DC pump and some good pow..." | Read more » | about 9 years ago | |||
| MeganKierstead | "@schroyer Putting together my own DustDuino now and heads up, the personal Xively data hosting is buggy as all hell now. Can't even get past creati..." | Read more » | about 9 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 |