GuentherWuchterl: Created page with "Yonago National College of Technology, Yonago, Japan (in Japanese:米子高専) Maintained by Nobuaki Ochi[http://hikarigai.net/ochi/index_e.html] ==Station now moved to Se..."

2016-04-28T20:52:06Z

Created page with "Yonago National College of Technology, Yonago, Japan (in Japanese:米子高専) Maintained by Nobuaki Ochi[http://hikarigai.net/ochi/index_e.html] ==Station now moved to Se..."

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Yonago National College of Technology, Yonago, Japan (in Japanese:米子高専)

Maintained by Nobuaki Ochi[http://hikarigai.net/ochi/index_e.html]

==Station now moved to Setagaya Japan==

JP_YONAGO_3 20120101-20120309 (YONAGO_3 was halted on 20120309)
JP_SETAGAYA_1 20120607-20120630

fullname: Setagaya Japan
station ID: 1
longitude: 139.644466
latitude: 35.637801
height: 54 m
S/N: 1040006.000
Since: 20120607-1556 (local time)

The S/N 1040006 is same with that of YONAGO. I halted the YONAGO station on 20120309 and the detector was reused as the Setagaya station.
The station is about 8km from the most crowded area of Tokyo. (from Email from the maintainer) --[[Benutzer:GuentherWuchterl|GuentherWuchterl]] 16:04, 10. Jan. 2013 (UTC)

== Site Info ==

Map:[http://maps.google.com/maps?q=35.455815,133.289046&num=1&sll=35.455829,133.289553&sspn=0.002003,0.001663&hl=en&ie=UTF8&ll=35.455829,133.289553&spn=0.002003,0.001663&z=19]

Longitude: 133° 17' 21"E

Latitude: 35° 27' 21"N

(The long. & lat. values were corrected on 20/Jan/2010; now using WGS84 coordinates.)

Elevation: 24m a.s.l.

Japan Standard Time = Universal Time + 09:00

Yonago city has a population of 150,000 and the density of 1,100/km^2.

== Observation ==

First light: Dec. 8th 2009

Measurement interval: 1 second

=YONAGO_3=

I replaced lightmeters at Yonago and Bisei from Mark2.3 to MarkPro2.4.
So please provide ACCESSKEYs for them.
Probably STATIONIDs will be JP_YONAGO_3 and JP_BISEI_2, respectively.

YONAGO_3
stationId: 3
long/lat/height: same with YONAGO_1&2
S/N: 1040006.000
Since: 20100723 15:14 (localtime)
type: MarkPro2.4

=YONAGO_2=

June 2010:
On the other hand, I changed the lightmeter at Yonago,
from No.42 to No.98.
I think a new STATIONID should be given.

fullname: Yonago Japan
stationId: 2
longitude,latitude,height: same with YONAGO_1
lightmeter: Mark 2.3 V05.05 S/N 908098.1415

== Installation ==

The detector is mounted on an original stainless box, which stores the USB cable and one half of USB-Extender. The box is fixed by wires to a rail on the rooftop of a YNCT building. A 10m LAN cable is connected to a laptop PC through a counterpart of USB-Extender.

[[Bild:Yonago 01 setup.JPG|thumb|Yonago Lightmeter]]
[[Bild:Yonago 03 detector.JPG|thumb|Yonago Lightmeter]]
[[Bild:Yonago 06 surrounding.JPG|thumb|Yonago Lightmeter]]

==Calibration==

Data: Feb 23 20:04 to Feb 24 9:20 UTC; Feb 24th JST:

X = c ( b (a exp (n(1+dT)/a) - 1) + n )

n ... counts (sensor output)
X ... physical quantity (total radiation in [W/m²] or
horizontal illumination [Lux])

a = 1.1881e+05, b = 1.2505e-02, c = 1.5932e-09, d = 4.4193e-03,
for [W/m²].
a = 1.1881e+05, b = 1.2505e-02, c = 1.6858e-07, d = 4.4193e-03,
for [Lux].

Background x0=3.9 mlx

Watt/m² --> Lux 105.81
Lux --> Watt/m² 0.00945

First try, 20th/21st Feb. UTC, 21st Feb JST

In [108]: SJD=(X.JD > mx.DateTime.DateTime(2010,2,20,20,15).jdn)
& (X.JD < mx.DateTime.DateTime(2010,2,21,9,35).jdn)
In [109]: X.fit_em1_to_natLight(JD_select=SJD,type='em1c0T'
,Lux_range=[0.0001,300000])
Out[109]:(array([ 1.13142993e+05, 7.29596715e-03,
1.61836591e-07, -3.95536497e-03, 3.60775365e-03]),

Feb. 23/24th UTC, 24th JST: Night and morning twilight smoother

In [519]: SJD=(X.JD > mx.DateTime.DateTime(2010,2,23,20,04).jdn)
& (X.JD < mx.DateTime.DateTime(2010,2,24,9,20).jdn)
Out[521]: array([ 1.18814396e+05, 1.25054564e-02, 1.68583720e-07,
-3.92652111e-03, 4.41932827e-03]),
1)

In [535]: (0.91/X.Watt_per_square_meter_per_Lux )**-1
Out[535]: 0.009450549450549451

1.68583720e-07*0.009450549450549451 Out[537]: 1.5932087824175826e-09

16:05, 10. Jan. 2013

WH --[[User:GuentherWuchterl|GW]] ([[User talk:GuentherWuchterl|talk]]) 22:52, 28 April 2016 (CEST)

Yonago - Revision history

GuentherWuchterl: Created page with "Yonago National College of Technology, Yonago, Japan (in Japanese:米子高専) Maintained by Nobuaki Ochi[http://hikarigai.net/ochi/index_e.html] ==Station now moved to Se..."