RESEARCH ASSOCIATES: Dr. Mike Foster, Dr. Jonathan Storey, Dr. Ivelin Baleski

MAILING ADDRESS: Hovemere Ltd. 56, Hayes St., Hayes, Bromley,
Kent, UK BR2 7LD

TELEPHONE NUMBER: 44-208-462-4921

FAX NUMBER: 44-208-462-7841

E-MAIL ADDRESS: walnut1@easynet.co.uk

WEB SITE: http://www.hovemere.com

DATE: 10/08/01

LIDAR LOCATION (CITY, COUNTRY, LAT., LONG.): Boxley, Maidstone, Kent, UK
51.32oN, 0.5oE

SITE ELEVATION: 50 m amsl

PARAMETER(S) OR CONSTITUENT(S) MEASURED: Temp. aerosol Profiles etc.

RESEARCH OBJECTIVES AND SPONSOR: Upper Atm. research

MEASUREMENT TECHNIQUE: Direct detection

MEASUREMENT RANGE: 5 - 100 km altitude

VERTICAL RESOLUTION: 20 m

FREQ. OF MEASUREMENT (TYPICALLY): 1 profile per hour

MEASUREMENT TIMES (TYPICALLY): centred on the hour (UT)

LASER TYPE AND WAVELENGTH (s): Excimer, 351 nm

LASER ENERGY/PULSE: 280 mJ

PULSE REPETITION RATE: 150 Hz

RECEIVER SIZE AND CONFIGURATION: 800 mm Nasmith

DETECTORS USED: PMT

SIGNAL PROCESSING: Photon Counting / DSP System

ANALOG-T0-DIGITAL CONVERTER: 16 bit, but not normally used

COMPUTER: 500 MHz Pentium

PLATFORM (if applicable): Transportable Container

PUBLICATIONS (5 recent and/or significant):

229. FIEDLER J., G. VON COSSART., D. REES, et al. (1997), "Status of the ALOMAR/ Rayleigh/Mie/Raman Lidar," ESA SP-397, pp 105-110.
231. REES D., U. VON ZAHN, W. SINGER, G. VON COSSART, G. NELKE, K.H.FRICKE, R. RUSTER, W ERIKSEN and N.D. LLOYD, (1998), "Observations of Winds in the Arctic Stratosphere by the ALOMAR Doppler Wind and Temperature System" Proceedings of the 24th Annual European Meeting on Atmospheric by Optical Methods, ISBN 82-994583-0-7, p122-128, Sentraltrykkeriet, Bodo, Norway.
235. VON ZAHN U., G. VON COSSART, J. FIEDLER AND REES D., (1998), "Tidal Variations of Noctilucent Clouds measured at 69oN Latitude by Groundbased Lidar", Geophys Res. Lett. Vol. 25, p1289-1292.
246. Rees D., U. von Zahn, G. von Cossart, K.H. Fricke, W. Eriksen and J.A. McKay, "Daytime Lidar measurements of the stratosphere and mesosphere at the ALOMAR Observatory", Adv. Sp. Res. Vol. 26, No. 6, 893-902, (2000).
250. von Zahn, U., G. von Cossart, J. Fiedler, K.H. Fricke, G. Nelke, G. Baumgarten, D. Rees, A. Hauchcorne and K. Adolfsen, "The ALOMAR Rayleigh / Mie / Raman Lidar: Objectives, Configuration and Performance," Annales Geophysicae, 18, 815-833, (2000).

COMMENTS: New Site, Lidar System will be in operation from late Sept 2001.