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G8MNY > TECH 14.07.03 15:12l 22 Lines 735 Bytes #999 (0) @ WW
BID : 5565_GB7CIP
Read: DB0FHN GUEST OE7FMI
Subj: Light Levels
Path: DB0FHN<DB0RGB<OK0PPL<RZ6HXA<ER3KAZ<DB0RES<ON0AR<VK3TE<GB7YFS<GB7CIP
Sent: 030713/2208Z @:GB7CIP.#32.GBR.EU #:5565 [Caterham] $:5565_GB7CIP
From: G8MNY@GB7CIP.#32.GBR.EU
To : TECH@WW
This is old data but still useful.
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
73 De John, G8MNY @ GB7CIP
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