%PDF-1.4 % 1 0 obj << /Type /Pages /Count 1 /Kids [ 2 0 R ] >> endobj 2 0 obj << /Type /Page /Parent 1 0 R /Resources << /ProcSet [ /PDF /Text /ImageB /ImageC /ImageI ] /Font << /QuickPDFF6e272223 70 0 R /QuickPDFF36460cd0 113 0 R >> >> /Contents [ 5 0 R ] /MediaBox [ 0 0 595.2756 841.8898 ] /CropBox [ 0 0 595.2756 841.8898 ] >> endobj 3 0 obj << /Type /Catalog /Pages 1 0 R /Metadata 114 0 R >> endobj 4 0 obj << /Producer (Debenu Quick PDF Library 11.15 \(www.debenu.com\)) /Creator (Debenu Quick PDF Library 11.15 \(www.debenu.com\)) /CreationDate (D:20180514134223+02'00') /ModDate (D:20180514134223+02'00') >> endobj 5 0 obj << /Length 3050 /LC /iSQP >> stream 0 Tr /QuickPDFF36460cd0 14 Tf 0 0 0 rg 100 Tz 0 Tw 0 Tc 0 Ts BT 1 0 0 1 86.2728 770.8329 Tm (Introducing the Latest Version of the Global Elevation Testing Facility)Tj ET /QuickPDFF36460cd0 11 Tf 0 0 0 rg BT 1 0 0 1 235.3173 731.3912 Tm (Kazimierz Becek \(Turkey\))Tj ET /QuickPDFF36460cd0 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 689.6683 Tm 15.996 TL (Key words: )' ET /QuickPDFF6e272223 12 Tf 0 0 0 rg BT 1 0 0 1 141.7323 689.6683 Tm 15.768 TL (Geoinformation/GI; Low cost technology; Reference systems; DEM; Runway;)' (Accuracy)' ET /QuickPDFF36460cd0 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 647.1486 Tm 15.996 TL (SUMMARY)' ET /QuickPDFF6e272223 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 618.8021 Tm 15.768 TL (Airport runways are linear structures found on all continents of the globe. Both temporal and)' (long-term physical properties of runways are constantly monitored and maintained by aviation)' (authorities to guarantee safety of air travel. The data on a several technical parameters of runways)' (are freely available to the public, but spread across many databases across the Internet. Runways are)' (constructed as flat with surfaces made of concrete, asphalt or similar materials. Some 10 years ago)' (it was discovered that runways can be used as convenient test beds for validation and calibration of)' (digital elevation models. To facilitate these and similar activities, e.g., calibration of other remote)' (sensing instruments, the Global Elevation Data Testing Facility \(GEDTF\) was conceived and)' (developed. The GEDTF was introduced during the XXIV FIG Congress in Sydney in 2010. The)' (GEDTF is a database containing location and some of the technical parameters of approximately)' (8,000 runways spread across the globe. The GEDTF database is available over the Internet. In the)' (recent years the GEDTF was significantly enhanced by inclusion of some 4000 extra runways. An)' (additional technical attribute for runways has also been added, including detailed centerline)' (cross-section. In the present contribution, the feature of the latest version of the GEDTF along with)' (some examples of application of the database will be outlined. The GEDTF database has been an)' (ongoing project. Its success depends on the generosity of sponsors, but also participation of)' (members of geospatial community who could help to enhance and update the GEDTF facility. This)' (presentation will seek also all forms of support and declarations of participation in the project from)' (the participants of the XXVI FIG International Congress & General Assembly in Istanbul, Turkey.)' ET /QuickPDFF6e272223 10 Tf 0 0 0 rg BT 1 0 0 1 56.6929 150.7097 Tm 13.14 TL (__________________________________________________________________________________________)' ()' (Introducing the Latest Version of the Global Elevation Testing Facility \(9559\))' (Kazimierz Becek \(Turkey\))' ()' (FIG Congress 2018)' (Embracing our smart world where the continents connect: enhancing the geospatial maturity of societies )' (Istanbul, Turkey, May 611, 2018)' ET endstream endobj 6 0 obj << /Length 316 /Filter /FlateDecode >> stream xMRKnCAۿSpk`y^Uu[jIɒT%C/:b}Rx\%=
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