P. J. Williams

发表

Incoherent scatter of radio waves from the ionosphere

W. Beynon, P. J. Williams, 1978 .

Rapid acceleration of the polar solar wind

P. J. Williams, W. Coles, W. Coles, 1996, Nature.

Measurements of the solar wind over a wide range of heliocentric distances — a comparison of results from the first three Whole Sun Months

J. Linker, A. Lazarus, D. Biesecker, 2000 .

Multistatic Incoherent Scatter Measurements of Ionospheric Drift Velocity

H. RISHBETH, G. N. Taylor, H. Rishbeth, 1973, Nature.

Non-linear planetary/tidal wave interactions in the lower thermosphere observed by meteor radar

N. Mitchell, P. J. Williams, G. Buesnel, 1996 .

Plasma drift estimates from the Dynasonde: comparison with EISCAT measurements

K. J. F. Sedgemore, J. Wright, P. J. Williams, 1998 .

A comparison of EISCAT and Dynasonde measurements of the auroral ionosphere

K. J. F. Sedgemore, J. Wright, P. J. Williams, 1996 .

High-resolution measurements of magnetospheric electric fields

H. Opgenoorth, P. J. Williams, G. Jones, 1990 .

Regions of strongly enhanced perpendicular electric fields adjacent to auroral arcs

H. Opgenoorth, P. J. Williams, G. Jones, 1990 .

Observations of the source and propagation of atmospheric gravity waves

G. Crowley, P. J. Williams, 1987, Nature.

The spectral indices of radio sources

P. J. Williams, A. Bridle, 1967 .

THE SPECTRA OF RADIO SOURCES IN THE REVISED 3C CATALOGUE.

K. Kellermann, P. J. Williams, I. Pauliny-Toth, 1969 .

Electric field and electron density thresholds for coherent auroral echo onset

G. Sofko, P. J. Williams, J. Koehler, 1993 .

The relationship between electron density and electron temperature under quiet conditions in the Auroral zone

P. J. Williams, A. Breen, P. Williams, 1991 .

EISCAT measurements of the solar wind

P. J. Williams, W. Coles, R. R. Grail, 1996 .

EISCAT measurements of the solar wind: Measurements of the fast and slow streams

P. J. Williams, W. Coles, W. Coles, 1997 .

Eiscat measurements of interaction regions in the solar wind

P. J. Williams, W. Coles, M. T. Klinglesmith, 1997 .

Interplanetary scintillation observations of interaction regions in the solar wind

P. J. Williams, W. Wilkinson, W. Coles, 1998 .

Simultaneous interplanetary scintillation and optical measurements of the acceleration of the slow solar wind

P. J. Williams, R. Fallows, C. Jordan, 2000 .

Comparisons of interplanetary scintillation and optical measurements of solar wind acceleration with model results

J. F. Mckenzie, A. Modigliani, B. Thompson, 2000 .

Interplanetary scintillation measurements of the solar wind during Whole Sun Month: Comparisons with coronal and in situ observations

J. Linker, A. Lazarus, D. Biesecker, 1999 .

The generation and propagation of atmospheric gravity waves observed during the Worldwide Atmospheric Gravity-wave Study (WAGS)

H. G. Muller, I. McCrea, J. Baldwin, 1988 .

Errors due to random noise in velocity measurement using incoherent-scatter radar

W. Mccrea, P. J. Williams, A. Etemadi, 1996 .

VHF coherent radar signals from the E region ionosphere and the relationship to electron drift velocity and ion acoustic velocity

E. Nielsen, P. J. Williams, C. D. Pozo, 2002 .

Mesopause-region tidal variability observed by meteor radar

N. Mitchell, W. Jones, P. J. Williams, 1997 .

Velocity of auroral arcs drifting equatorward from the polar cap

P. J. Williams, R. Fallows, C. D. Pozo, 1998 .

Drift velocity of auroral arcs

P. J. Williams, C. D. Pozo, I. Hiscock, 1998 .

Radio Sources having Spectra with a Low Frequency Cut-off

P. J. Williams, J. Hornby, 1966 .

Absorption in Radio Sources of High Brightness Temperature

P. J. Williams, 1963, Nature.

Polar mesosphere summer echoes and associated atmospheric gravity waves

J. Röttger, P. J. Williams, C. Hall, 1989 .

Electric fields and currents of stable drifting auroral arcs in the evening sector

P. J. Williams, A. Aikio, A. Kozlovsky, 2002 .

The generation and propagation of atmospheric gravity waves from activity in the auroral electrojet

S. Quegan, G. Millward, P. J. Williams, 1996 .

Worldwide atmospheric gravity-wave study in the European sector 1985–1990

K. Freeman, I. McCrea, M. Lester, 1993 .

Variations in field-aligned plasma velocity with altitude and latitude in the auroral zone: EISCAT observations and the physical interpretation

P. J. Williams, G. Jones, K. Winser, 1988 .

Observations of atmospheric gravity waves with incoherent scatter radar

P. J. Williams, 1989 .

Magnetic Field within some Quasi-stellar Radio Sources

P. J. Williams, 1966, Nature.

Lower Thermosphere Coupling Study: Comparison of observations with predictions of the University College London‐Sheffield Thermosphere‐Ionosphere Model

T. Fuller‐Rowell, P. J. Williams, D. Rees, 1991 .

Observations of interplanetary scintillation during the 1998 Whole Sun Month: a comparison between EISCAT, ORT and Nagoya data

M. Tokumaru, P. J. Williams, R. Fallows, 2000 .

Vertical transport of plasma in the night-time ionosphere

P. J. Williams, A. Jain, 1974 .

The maintenance of the night-time ionosphere at mid-latitudes. II. The ionosphere above St. Santin

P. J. Williams, P. J. Standley, 1984 .

The EISCAT ionospheric radar - The system and its early results

H. Rishbeth, H. Rishbeth, P. J. Williams, 1985 .

An observation of atmospheric gravity wave cause and effect during the October 1985 WAGS campaign

R. Hunsucker, G. Crowley, L. Lanzerotti, 1988 .

Large plasma velocities along the magnetic field line in the auroral zone

M. Lockwood, P. J. Williams, G. Jones, 1988, Nature.

Ionospheric refraction effects in slant range profiles of auroral HF coherent echoes

C. Hanuise, J. Villain, G. Sofko, 1994 .

A Multi-Antenna Capability for the EISCAT Svalbard Radar

P. J. Williams, 1995 .

The measured relationship between electric field strength and electron temperature in the auroral E-region

P. J. Williams, G. Jones, B. Jones, 1992 .

Observations of day-to-day variability in the meridional semi-diurnal tide at 70 deg N

P. J. Williams, A. Huuskonen, T. S. Virdi, 1991 .

EISCAT observations of the E-region semidiurnal tide

P. J. Williams, T. S. Virdi, G. Jones, 1986, Nature.

Characteristics of the high-latitude trough

M. Lockwood, P. J. Williams, G. Jones, 1990 .

The amplitude of auroral backscatter—III. Effect of tilted ionospheric layer

P. J. Williams, A. V. Kustov, M. Uspensky, 1993 .

Studies of the cusp and auroral zone with incoherent scatter radar: the scientific and technical case for a polar-cap radar

Swh Cowley, E. C. Thomas, S. Cowley, 1990 .

Substorm processes in the geomagnetic tail and their effect in the nightside auroral zone ionosphere as observed by eiscat

S. Cowley, P. J. Williams, T. S. Virdi, 1989, Philosophical transactions of the Royal Society of London. Series A: Mathematical and physical sciences.

The association of polar mesosphere summer echo layers with tial modes

P. J. Williams, J. Palmer, G. Jones, 1995 .

Auroral radar backscatter at off‐perpendicular aspect angles due to enhanced ionospheric refraction

G. Sofko, P. J. Williams, J. Koehler, 1994 .

The relationship between E region electron density and the power of auroral coherent echoes at 45 MHz

P. J. Williams, B. Jones, A. V. Kustov, 1999 .

The association of polar mesosphere summer echo

H. Rishbeth, P. J. Williams, J. Palmer, 1995 .

A determination of the orientation of polar mesosphere summer echo layers using EISCAT

P. J. Williams, C. Hall, A. V. Eyken, 1991 .

Incoherent scatter observations of tides in the lower thermosphere at high latitudes

P. J. Williams, T. S. Virdi, 1992 .

Measurements of the solar wind velocity with EISCAT

G. Bourgois, P. J. Williams, W. Coles, 1985 .

Measurements of the direction of the solar wind using interplanetary scintillation

P. J. Williams, W. Wilkinson, A. Breen, 1998 .

The 16-day planetary wave in the mesosphere and lower thermosphere

H. G. Muller, N. Mitchell, P. J. Williams, 1999 .

The electrodynamics of a drifting auroral arc

H. Opgenoorth, P. J. Williams, M. Persson, 1994 .

Electron temperature and electron density in the F-region of the ionosphere. I. Observed relationship

P. J. Williams, J. N. Mcdonald, 1986 .

Radar observations of auroral zone flows during a multiple-onset substorm

J. P. Morelli, M. Freeman, M. Lester, 1995 .

The Radio Spectra of Sources in the Fourth Cambridge Catalogue

P. J. Williams, R. A. Collins, J. Caswell, 1966 .

Ground and space-based studies of solar wind acceleration

J. F. Mckenzie, R. Harrison, P. J. Williams, 1997 .

The UK incoherent scatter radar

G. N. Taylor, P. J. Williams, 1974 .

Theoretical model of electron temperature and electron density: Comparisons with IRI and MSIS

P. J. Williams, A. Breen, 1994 .