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| 035 | ⊔ | ⊔ | ‡a(MiU)990161178110106381 |
| 035 | ⊔ | ⊔ | ‡asdr-miu.990161178110106381 |
| 035 | ⊔ | ⊔ | ‡z(MiU)MIU01000000000000016117811-goog |
| 035 | ⊔ | ⊔ | ‡a(OCoLC)318921796 |
| 035 | ⊔ | ⊔ | ‡z(MiU)Aleph016117811 |
| 040 | ⊔ | ⊔ | ‡aLHL ‡beng ‡cLHL ‡dFUG ‡dOCLCQ ‡dTRAAL |
| 049 | ⊔ | ⊔ | ‡aMAIN |
| 086 | 0 | ⊔ | ‡aD 301.45/9:393 |
| 088 | ⊔ | ⊔ | ‡aADA 064429 |
| 088 | ⊔ | ⊔ | ‡aAFGL TR 78-191 |
| 100 | 1 | ⊔ | ‡aHering, Wayne S. |
| 245 | 1 | 0 | ‡aForward scatter meter measurements of slant visual range / ‡cWayne S. Hering, Edward B. Geisler. |
| 264 | ⊔ | 1 | ‡aHanscom AFB, Massachusetts : ‡bAir Force Geophysics Laboratory, Air Force Systems Command, United States Air Force, ‡c1978. |
| 300 | ⊔ | ⊔ | ‡a28 pages : ‡billustrations ; ‡c28 cm. |
| 336 | ⊔ | ⊔ | ‡atext ‡btxt ‡2rdacontent |
| 337 | ⊔ | ⊔ | ‡aunmediated ‡bn ‡2rdamedia |
| 338 | ⊔ | ⊔ | ‡avolume ‡bnc ‡2rdacarrier |
| 490 | 0 | ⊔ | ‡aAFGL-TR ; ‡v78-0191 |
| 490 | 0 | ⊔ | ‡aAir Force Surveys in Geophysics ; ‡vNo. 393 |
| 500 | ⊔ | ⊔ | ‡aResearch supported by the Air Force Geophysics Laboratory, Air Force Systems Command, United State Air Force, Hanscom AFB, Massachusetts. |
| 500 | ⊔ | ⊔ | ‡aMeteorology Division Project 6670. |
| 500 | ⊔ | ⊔ | ‡aADA064429 (from http://www.dtic.mil). |
| 500 | ⊔ | ⊔ | ‡a"9 August 1978." |
| 504 | ⊔ | ⊔ | ‡aIncludes bibliographical references (page 28). |
| 520 | ⊔ | ⊔ | ‡aThe potential for remote tower measurements of point visibility in the determination of slant range visibility for aircraft landing operations was explored through analysis of data collected at the Air Force Geophysics Laboratory Weather Test Facility at Otis AFB, Massachusetts. This report described initial experiments that deal with an analysis of the small scale variability of extinction coefficient in time and space. Data from two instrumented towers spaced 1500 ft apart were classified for investigation of the horizontal variability of visibility at elevations up to 100 ft and space-time variability for lag periods from 0 to 10 minutes. The preliminary tests give additional evidence that the runway visual range (RVR) measurements alone often are not representative of pilot visibility during approach and touchdown. Remote measurements of visibility using either a 50-ft or 100-ft instrumented tower would add significantly to the real safety of 'see-to-land' operations under conditions of Categories I, II, and IIIa through an improved description of conditions related to airfield visibility. (Author). |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| 650 | ⊔ | 0 | ‡aAirports ‡xVisibility ‡xMeasurement. |
| 700 | 1 | ⊔ | ‡aGeisler, Edward B., ‡eauthor. |
| 710 | 2 | ⊔ | ‡aU.S. Air Force Geophysics Laboratory. |
| 730 | 0 | ⊔ | ‡aTechnical Report Archive & Image Library (TRAIL) |
| 899 | ⊔ | ⊔ | ‡a39015095138577 |
| CID | ⊔ | ⊔ | ‡a102325831 |
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