AMSTRAD PPC 640S Bedienungsanleitung

Geophysical Instrumentation in Bradford-Past and Presentby Roger Walker© Copyright Geoscan Research 2006

Geophysical Instrumentation in Bradford - Past and Present 10Plessey Gradiometer c 1971• Fluxgate Gradiometer• 1m sensor separation• Analogue meter d

Geophysical Instrumentation in Bradford - Past and Present 11Littlemoor Gradiometer c1972• Fluxgate Gradiometer• 1m sensor separation• Bar graph mete

Geophysical Instrumentation in Bradford - Past and Present 12Philpot AM01, DM01, DM02 c1973-c1986Heathcote, C, Aspinall, A. 1981 “Some aspects of the

Geophysical Instrumentation in Bradford - Past and Present 13Paddock Hill Survey 1972-1982 +• Surveyed using a combination of Littlemoor and Philpot

Geophysical Instrumentation in Bradford - Past and Present 14Brough of Birsay Survey, Orkney 1975196819701980199020002006• Survey of Ancient Monument

Geophysical Instrumentation in Bradford - Past and Present 15Bartington Magnetic Susceptibility Meter and Glenluce• The department also had a Bartingt

Geophysical Instrumentation in Bradford - Past and Present 16Electromagnetic Methods 1973-1976Roger Walker, “An investigation into the application of

Geophysical Instrumentation in Bradford - Past and Present 17Magnetic Susceptibility Bridge 1973-1976• Department had a bridge that measured just In-

Geophysical Instrumentation in Bradford - Past and Present 18In-situ Measurement of Magnetic Susceptibility 1973-1976196819701980199020002006• Profil

Geophysical Instrumentation in Bradford - Past and Present 19Program “Dotty” – forerunner to Geoplot 1975• Computer processing well established (Linn

Geophysical Instrumentation in Bradford - Past and Present 2Structure of Talk196819701980199020002006• This talk is a whirlwind tour of the wide range

Geophysical Instrumentation in Bradford - Past and Present 20Pulse Induction and Magnetic Methods 1977-1980Colin Heathcote, “Applications of magnetic

Geophysical Instrumentation in Bradford - Past and Present 21Proton Magnetometer 1977• Two sensors in vertical gradiometer configuration• Developed b

Geophysical Instrumentation in Bradford - Past and Present 22Technical Staff – Past and PresentGeophysics and instrumentation development at Bradford

Geophysical Instrumentation in Bradford - Past and Present 23Some familiar faces from the past……

Geophysical Instrumentation in Bradford - Past and Present 24RM4 Resistance Meter and PA1 Probe Array 1984• Very light and compact – 0.9 Kg, 160 x 85

Geophysical Instrumentation in Bradford - Past and Present 25DL10 Data Logger for RM4 1985196819701980199020002006• 1000 reading data logger• Elimina

Geophysical Instrumentation in Bradford - Past and Present 26Geoplot for Epson HX20 portable 1985196819701980199020002006Epson HX20 Computer :• 16K m

Geophysical Instrumentation in Bradford - Past and Present 27Soutra Medieval Hospital – RM4/DL10 survey 1986• 84 x 20m x 20m square grids surveyed• 1

Geophysical Instrumentation in Bradford - Past and Present 28Schlumberger Array 1986Chris Gaffney, “The Schlumberger array in geophysical prospection

Geophysical Instrumentation in Bradford - Past and Present 29CB1 Current Booster for RM4 1989196819701980199020002006• Increased RM4 output to 10 mA p

Geophysical Instrumentation in Bradford - Past and Present 3Early DaysCensored !• “Geophysical prospection methods in archaeology” starts in c1968• Lo

Geophysical Instrumentation in Bradford - Past and Present 30FM9, FM18, FM36 Fluxgate Gradiometer Series 1987196819701980199020002006• Fluxgate Gradio

Geophysical Instrumentation in Bradford - Past and Present 31ST1 Sample Trigger for FM series 1987196819701980199020002006• Generates trigger pulses

Geophysical Instrumentation in Bradford - Past and Present 32Grove Cottage Survey (with John Gater of GSB) 1986• First survey with an FM series gradi

Geophysical Instrumentation in Bradford - Past and Present 33Examples of FM18/36 in useAdel 1994Shetland ?Case customisation by Tomek Herbich !

Geophysical Instrumentation in Bradford - Past and Present 34Geoplot 1.0 for IBM Compatible DOS computers 1989196819701980199020002006Portable IBM Co

Geophysical Instrumentation in Bradford - Past and Present 35Induced Polarization Methods Revisited c1986 - 1989196819701980199020002006Sue Ovenden,

Geophysical Instrumentation in Bradford - Past and Present 36Pulse Induction Methods Revisited c 1986 - 1989John Skinner. Sadly I could not gather in

Geophysical Instrumentation in Bradford - Past and Present 37RM15 Resistance Meter 1991196819701980199020002006• Built-in data logger : 3600, 15000 o

Geophysical Instrumentation in Bradford - Past and Present 38PA5 Multi-Probe Array and MPX4 Multiplexer 1991PA5 Multi-Probe Array• A “universal” pro

Geophysical Instrumentation in Bradford - Past and Present 39Things don’t always go right………Arnold and Jim hang their heads in despair as John vainly

Geophysical Instrumentation in Bradford - Past and Present 4Induced Polarization and Resistance Methods 1968 - 1970196819701980199020002006A.Aspinall,

Geophysical Instrumentation in Bradford - Past and Present 40TRM Measurements in the Field, Shetland c1992John Crummett surveying old croft dwellings

Geophysical Instrumentation in Bradford - Past and Present 41Geoplot 2.0 for DOS 1992196819701980199020002006• Colour and full range grey scale plots

Geophysical Instrumentation in Bradford - Past and Present 42Birth of Archaeological Prospection Journal 1994196819701980199020002006• 1994 sees the l

Geophysical Instrumentation in Bradford - Past and Present 43MPX15 Multiplexer for RM15 1995196819701980199020002006• Automated multiplexing with the

Geophysical Instrumentation in Bradford - Past and Present 44Wroxeter Survey June 1996196819701980199020002006• Multiplexed Twin 0.25m to 1.5m• Also

Geophysical Instrumentation in Bradford - Past and Present 45Geoplot 3.0 for Windows 2000196819701980199020002006

Geophysical Instrumentation in Bradford - Past and Present 46FM256 Fluxgate Gradiometer System 200219681970198019902000200620 mFM256 Single Instrumen

Geophysical Instrumentation in Bradford - Past and Present 47Moresby Roman Fort 2002 / 2004• Dual FM256 fluxgate gradiometer survey, 4 samples / m• A

Geophysical Instrumentation in Bradford - Past and Present 48North Acres in Saxton, Towton Battlefield 2002196819701980199020002006Comparison of FM25

Geophysical Instrumentation in Bradford - Past and Present 49Taking a well earned rest, Towton Battlefield 20021968197019801990200020064 sandwiches

Geophysical Instrumentation in Bradford - Past and Present 5Resistance Methods and the Two Electrode ConfigurationA.Aspinall, J,T.Lynam “An induced po

Geophysical Instrumentation in Bradford - Past and Present 50Start of development of Wheeled Square Array 2003Alpha: A BM N1968197019801990

Geophysical Instrumentation in Bradford - Past and Present 51High Resolution Surveys, Jarlshof, Shetland 2003196819701980199020002006• Comparative hi

Geophysical Instrumentation in Bradford - Past and Present 52Square array investigations at the University c2002 - 2004A.Aspinall, M.K.Saunders “Exper

Geophysical Instrumentation in Bradford - Past and Present 53Drumlanrig Castle (with GSB and Time Team) 2004A suspected Roman fort in the grounds of

Geophysical Instrumentation in Bradford - Past and Present 54Littlemoor Castle Multiplexed Alpha/Beta Survey 2004196819701980199020002006• New enclos

Geophysical Instrumentation in Bradford - Past and Present 55Dunkirt Barn Survey (with English Heritage) 2004A slight problem with mud !(since resolve

Geophysical Instrumentation in Bradford - Past and Present 56PA20 Probe Array 2004196819701980199020002006• The PA5 gets a makeover in 2004• Quick re

Geophysical Instrumentation in Bradford - Past and Present 57Duncombe Park Garden Survey 2005• Fluxgate gradiometer is added to wheeled square array•

Geophysical Instrumentation in Bradford - Past and Present 58A finally a really big thanks to Arnold Aspinall……..……..and not forgetting his Manor Vale

Geophysical Instrumentation in Bradford - Past and Present 6“Bradphys” Resistance Meter 1970A.Aspinall, K.Pickard “A direct reading resistance meter”

Geophysical Instrumentation in Bradford - Past and Present 7Survey Methods• Area surveys typically used sampling intervals of 1m• A mesh of 100 x 1m g

Geophysical Instrumentation in Bradford - Past and Present 8Early Data Presentation Methods• Polaroid picture of light box with >100 individual bul

Geophysical Instrumentation in Bradford - Past and Present 9Cogges Manor Garden Survey• An early example of garden archaeology and geophysics – one of