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G8MNY > TECH 22.11.08 18:58l 47 Lines 1426 Bytes #999 (0) @ WW
BID : MBIF4ERG_033
Read: GUEST
Subj: Light Levels
Path: IZ3LSV<IK2XDE<F5GOV<F4ERG
Sent: 081122/1738z @:F4ERG.FPOC.FRA.EU [chaniers dept 17(in95rr)] OBcm1.07b3
From: G8MNY @ F4ERG.FPOC.FRA.EU (Freddy)
To: TECH @ WW
X-Info: Sent with login password
R:081117/0447Z @:F4ERG.FPOC.FRA.EU #:2713 [3120] FBB7.01.35 alpha $:8614_GB7CIP
R:081116/2208z @:F4BWT.FCEN.FRA.EU $:8614_GB7CIP
R:081116/2210Z @:GB7COW.#44.GBR.EU #:43437 [108978] FBB7.01.35 alpha
R:081116/2121Z @:GB7CIP.#32.GBR.EU #:8614 [Caterham] $:8614_GB7CIP
From: G8MNY@GB7CIP.#32.GBR.EU
To : TECH@WW
This is old data but still useful. (updated Mar 04)
WHERE LUX
Clear Night Full Moon 0.3
Candle @ 1M 1
Side Roads 4
Main Roads 16
Staircases, Railway Platforms. 30-60
Secondary Rooms, Basements, Halls. 120
Living Rooms & Offices. 250
Classrooms, Shops & Workshops. 500
Drawing Office, Precision Workshops. 1000
Winters Day, Overcast Sky. 900-2000
Winters Day, Clear Sky. up to 9000
Summers Day in June, overcast sky. 4000-20,000
Summers Day in June, Sunshine. Approx 100,000
1 Lux = 1 Lumin over 1M
1 Lumin = 1 standard Candle over solid Steradian <.
LIGHT WAVELENGTH
COLOUR nano M
Red 690
Orange 600
Yellow 560
Green 520
Cyan 490
Blue 450
Violet 415
Note: 300 nano M = 1 Peta Hz = 10^15Hz
Why Don't U send an interesting bul?
73 De John, G8MNY @ GB7CIP
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