# Achter de schermen van het KNMI Weeknummer 74-07 - Open Beelden - 32229

Overview of the work of the KNMI. The high tower near Lopik where measurements are taken. Twice a day in De Bilt, measuring equipment and a radio transmitter with an embarrassed balloon measurements to 30km altitude to observe. Furthermore, the new building in De Bilt, where all data come together. The telex messages to other weather stations transmitted and received from them. The data and satellite images are processed into a weather map. The weather is recorded by a television camera and broadcast on television. Continue with a simulation of a weather satellite. With papers from industry, landing aircraft, road traffic in the fog and a tanker.

- Kind: Short
- Year: 1974
- Runtime: 2 min
- By: Nederlands Instituut voor Beeld en Geluid
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Achter_de_schermen_van_het_KNMI_Weeknummer_74-07_-_Open_Beelden_-_32229.ogv)
- Licence or status: [CC BY-SA 3.0 nl](https://creativecommons.org/licenses/by-sa/3.0/nl/deed.en) (as the archive states it)
- Credit: Nederlands Instituut voor Beeld en Geluid
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/commons/12106939?play=1)