continuous subscribers since 2002

continuous subscribers since 2003

continuous subscribers since 2004

continuous subscribers since 2005

continuous subscribers since 2006

continuous subscribers since 2007

continuous subscribers since 2008

continuous subscribers since 2009

continuous subscribers since 2010

continuous subscribers since 2011

continuous subscribers since 2014

continuous subscribers since 2015

continuous subscribers since 2016

continuous subscribers since 2017

continuous subscribers since 2018

continuous subscribers since 2013

continuous subscribers since 2012

  1. Saitobaru Archaeological Museum, Miyazaki, Japan
  2. United States Forest Service, Louisiana
  3. Nara National Research Institute FOR Cultural Properties, Nara, Japan
  4. National Park Service, Nebraska
  5. CNR National Laboratories, Italy
  6. National Institute for Cultural Properties, Korea
  7. University of Mississippi, Dept of Anthropology
  8. University of Georgia, Dept of Geology/Geophysics
  9. University of Alabama , Moundville
  10. Tenri University, Japan
  11. Spectrum Geophysics, California
  12. Radar Solutions International, Massachusettes
  13. Earth Measurement Corporation, Houston
  14. Cal State University Long Beach, Dept of Anthropology
  15. The Lamar Institute, Georgia
  16. SOT Prospeccio Arqueologica, Barcelona, Spain
  17. Fiske Center for Archaeological Research, University of Massachusettes
  18. GEOVision Geophysical Services, California
  19. United States Army Corps of Engineers, Vicksburg MS
  20. ASM Affiliates, Carlsbad CA
  21. Brockington & Associates, South Carolina
  22. INSET s.r.o., Czech Republic
  23. Confederated Tribes of the Umatilla Indian Reservation, Oregon
  24. Dept of Geology, Wofford College, South Carolina
  25. Seminole Tribe OF Florida
  26. Archaeo-Geophysical Association, Pheonix, Arizona
  27. Posselt & Zickgraf Prospektionen, Germany
  28. Department of Antiquities, Baden-Wurttemberg, Germany
  29. Dept of Geology, Southern Illinois University
  30. Radarteam, Sweden
  31. Universidad Politécnica de Cataluña, Barcelona, Spain
  32. Geophysics and Geology Branch, California Dept of Tranportation
  33. Museum of Anthropology, University of Kentucky
  34. Department of Archaeology, Anthropology & Forensic Science, Bournemouth, Univeristy, UK
  35. Dept of Geology and Geophysics, University of Massachusetts
  36. The Leon Recanati Maritime Institute, University of Haifa, Israel
  37. Naeva Geophysics Inc., Charlottesville, Virginia
  38. Anthropology Department, Indiana University of Pennsylvania
  39. Rettew Associates, Lancaster, Pennsylvania
  40. School of Humanities, University of South Hampton, UK
  41. Center for Near Surface Geophysics & Archaeological Prospection, Dokuz Eylul Univ. Turkey
  42. Responsible Development, MDS, Paris
  43. Historic Preservation Dept, Choctaw Nation of Oklahoma
  44. Panamerican Consultants, Georgia
  45. ON-Site GPR, Sacramento
  46. Idaho National Laboratory, Idaho Falls
  47. Southeastern Archaeological Research Inc, Jonesville, Florida
  48. Munin spf., Faroe Islands
  49. Open Ground, South Africa
  50. GeoStudi, Livorno, Italy
  51. Copernico, S.r.l., Montalcino, Siena, Italy
  52. Archaeology Dept., University of Science and Technology, Trondheim, Norway
  53. Geophysics Unit, Orkney College, Scotland
  54. CAI Archaeometry and Analysis, University Complutense of Madrid, Spain
  55. GeoRadar Co., Ltd., Korea
  56. Laboratoire Central des Ponts et Chaussées, France
  57. Heritage Preservation and Interpretation Inc., Steamburg, NEW York
  58. Energy AND Environment Research Laboratory, ITRI, Taiwan
  59. VISTA Centre, Birmingham Archaeology, University OF Birmingham, UK
  60. Geophysical Researchers Consulting, Bogota, Columbia
  61. Tecno Terra, Jalisco, Mexico
  62. School OF Geography and Earth Sciences, McMaster University, Canada
  63. Wood Inspection Services, Texas
  64. OYO Corporation, Japan
  65. Poyry Infra GmbH, Austria
  66. Earth Science AND Resource Engineering, CSIRO, Australia
  67. Wessex Archaeology, UK
  68. Alliance FOR Integrated Spatial Technologies, University OF South FloridaPM
  69. Weston Solutions
  70. Maverick Inspection, Canada
  71. Subtronic Corporation, Martinez, California
  72. University Konstatina Filozofa, Slovakia
  73. TerraDat Ltd, United Kingdom
  74. Cultural Resource Analysts Inc., Lexington, Kentucky
  75. The Chickasaw Nation, Oklahoma
  76. Central Florida Locators, Bushnell, Florida
  77. School of Social Studies, University of Queensland, Australia
  78. Adapis Georadar Teknik AB, Sweden
  79. Echo GPR Services, Paola, Kansas
  80. Stratascan Ltd., Worcestershire, UK
  81. Ithaca College Physics, NEW York
  82. Korea Institute OF Geological Environments, Gyeonggi-DO, Korea
  83. University of Pisa, Italy
  84. University of Bologna, Italy
  85. Geotec Engineering AND Environmental Geophysics Ltd, Israel
  86. Southeast Archaeological Center, National Park Service, Florida
  87. Kenaitze Indian Tribe, Alaska
  88. Geoscanners AB, Sweden
  89. Geoscience Consulting LLC, Montgomery, Alabama
  90. Dept of Geology AND Environmental Sciences, College of Charleston, SC
  91. Geometrik Muhendislik, Turkey
  92. Dept of Civill Engineering, The University OF Hong Kong
  93. Rose Geophysical Consultants, Orkney, UK
  94. Dept of Geoinfomatics, The Hong Kong Polytechnic University
  95. Dept of Soil and Crop Sciences, Texas A&M University
  96. Dutch National Police Agency KLPD, Netherlands
  97. Geozone Asesores S.L., Valencia, Spain
  98. Structure SCAN, Observatory, South Africa
  99. Dept OF Earth and Environmental Sciences, Temple University
  100. GEARH d.o.o., Slovenia
  101. Analyse Geophysique Conseil , France
  102. Ingenieurgesellschaft PTM Dortmund mbH, Germany
  103. WSP Civils, Sweden
  104. Murphy Survey Ltd., Ireland
  105. Dept of Anthropology, California STATE University Dominguez Hills
  106. Igienieria Insitu, s.l., A Coruna, Spain
  107. Dept of Anthropology, University of Georgia, Athens
  108. Dept of Geosciences, East Tennessee University
  109. Dept of Anthropology, University of Northern Colorado
  110. Nakano Technology Co., Ltd., Saitama, Japan
  111. Dudek AND Associates, Encinitas, California
  112. TAG Research by Sturm Inc, NEW Mexico
  113. Buyeo National Research Institute of Cultural Heritage, Korea
  114. Bronx Community College, CUNY, NEW York
  115. Dept of Anthropology, Washington University of St Louis, Missouri
  116. Pegasus Environmental, NEW York
  117. Dept of Archaeology, Waseda University, Japan
  118. Geoscan, Canada
  119. Dept of Geography and Earth Science, Shippensburg University, Pennsylvania
  120. RPS Group, Queensland, Australia
  121. SC Gauss SRL, Romania
  122. United States Army Corps OF Engineers, Omaha, Nebraska
  123. Sakurakoji Denki, Osaka, Japan
  124. Dept of Archaeology, La Trobe University, Melbourne, Australia
  125. Parsons Overseas (P) Limited, India
  126. National Forensic Service, Korea
  127. Center for Advanced Spatial Technologies, University of Arkansas
  128. Daeil Enc, Korea
  129. Murphy Surveys, United Kingdom
  130. Edenbros LLS, Saint James, Missouri
  131. Golder Associates Pty Ltd, Australia
  132. GPR Pro, UK
  133. Dept of Civil Engineering, Chung Hua University, Taipei, Taiwan
  134. Reveal Infrastructure, NEW Zealand
  135. Dept of Geosciences, Mansfield University, Pennsylvania
  136. Target Geophysics, Belgium
  137. Mercian Archaeological Services CIC, Nottingham, United Kingdom
  138. Korea Polar Research Institute
  139. Sambo GeoTek, Korea
  140. Coastal Environments Inc., NEW Orleans, Lousisiana
  141. Lunate Consulting, Canada
  142. Draig Geoscience, Perth, Australia
  143. Fort Bend County Historical Commission, Texas
  144. Public Works Research Institute, Ibaraki, Japan
  145. Bureau of Cultural Heritage, Ministry OF Culture, Taiwan
  146. Piotr Wroniecki, Warsaw, Poland
  147. Dept of Engineering, National Chiao Tung University, Taiwan
  148. Atlas Geophysical, United Kingdom
  149. GHD, Hobart Tasmania, Australia
  150. Special Projects Inc., Calgary, Canada
  151. Terra Marine, Greece
  152. Geomecca, Korea
  153. Logan Simpson Inc., Tempe, Arizona
  154. RADAR Geoservizi s.a.s., Torino, Italy
  155. United States Army Corps of Engineers, Sacramentro, California
  156. DB International GmbH, Bremen, Germany
  157. GHD, Perth, Australia
  158. Geoprospect S.A. DE, C.V., Nuevo Leon, Mexico
  159. ROUND Rock Geophysics, Austin, Texas
  160. Michalis Poultsidis, Larisa, Greece
  161. ScanPlus Locating Ltd, Sooke, BC, Canada
  162. French National Institute for Preventive Archaeology - INRAP
  163. School of Science AND Technology, University of Camerino, Italy
  164. Glen Dash Foundation for Archaeological Research
  165. National Geographic Society, Washington D.C.
  166. ATS International Inc., Christiansburg, Virginia
  167. Nordic Volcanology Center, Institute of Earth Sciences, University OF Iceland
  168. Sumet Yerbilimeri Ltd., Izmir, Turkey
  169. ESG Infrastructure Services, United Kingdom
  170. National Park Service, Lowell, Massachusetts
  171. Dept of Anthropology, Texas STATE University
  172. Center for Northeast Asian Studies, Tohoku University, Sendai, Japan
  173. Geomaster Corporation, Quezon City, Philippines
  174. David Charles Nobes, NEW Zealand
  175. School of Arts and Communication, University of Southern Queensland, Australia
  176. Electronics and Telecommunications Research Institute, Korea
  177. EGS (Asia) Limited, Hong Kong
  178. G. I. Engineering Co., Ltd., Korea
  179. Department of Archaeology, Flinders University, Adelaide, Australia
  180. Korean Institute of Geoscience and Mineral Resources (KIGAM)
  181. Ceratonia Geophysics S.r.l, Ragusa, Italy
  182. Serramur & Asociates, PC, Boone, North Carolina
  183. Proceq, Switzerland
  184. Dept of History, Geography AND Philosophy, University of Cadiz, Spain
  185. Dept of Earth Sciences, University of Florence, Italy
  186. ScanTech Geoscience, Ireland
  187. Dept of Earth Sciences, University OF Memphis, Tennessee
  188. Soft Options, NEW Zealand
  189. Gyula Forster National Centre FOR Cultural Heritage Management, Hungary
  190. Sum Kee Construction Limited, Hong Kong
  191. Peter Lanzarone
  192. Anomali Jeoteknik Muhendislik Hizm Ltd, Turkey
  193. GeoPat, France
  194. BHP Billiton, Canada
  195. Geoside Geofisica snc, Italy
  196. Higashi Nippon International University, Japan
  197. Institute of Archaeology, Monuments & Art History, University of Bamberg, Germany
  198. Department of Geophysics Suleyman Demirel University, Turkey
  199. Impulse Radar, Sweden
  200. Institute of Archaeology, University College London
  201. Stadt Essen, Amt duer Geoinformation, Germany
  202. Sherpa ENC co., ltd., Korea
  203. Gel Geophysics, Charleston, South Carolina
  204. Terracon, Oklahoma City, OK
  205. Umut Basoglu, Turkey
  206. Dept of Geography AND Anthropology, University of Wisconsin - Eau Claire
  207. Estudios Geofisico de Occidente, Mexico
  208. CDM Smith Consult GmbH, Stuttgart, Germany
  209. Newcrest Mining, Papau NEW Guinea
  210. Dept of Archeology, University of Southampton
  211. BE Surveys, Greenfields, Western Australia
  212. Concrete GPR LLC, Albany, Oregon
  213. Power Tech Inc, Sequim, Washington
  214. Florida Geological Survey, Tallahassee, Florida
  215. Earth Dynamics LLC, Portland, Oregon
  216. Horsley Archaeological Prospection LLC, Dekalb, Illinois
  217. Utility Mapping Services Inc, Helena, Montana
  218. Tennessee Valley Archaeological Research, Huntsville, Alabama
  219. Southern Geophysical Ltd, Christchurch, NEW Zealand
  220. Jason Hermann, Eberhard Karl University OF Tubingen, Germany
  221. Dianex, France
  222. Dept of Geosciences, Austin Peay STATE University, Tennessee
  223. Bess Test Lab, Fresno, California
  224. Reticulated Python Construction Inc, Ontario, Canada
  225. Dept of Historical Studies, Gothenburg University, Sweden
  226. National Institute of Water AND Atmospheric Research, NIWA, NEW Zealand
  227. Earthscan Geoscience Ltd, British Columbia, Canada
  228. Ancient History and Archaeology, University of Leicester, United Kingdom
  229. GeoWave Solutions, Cumming, Georgia
  230. Scadin Surveys Ltd, Belfast, Northern Ireland
  231. GeoRADAR NRW GmbH, Germany
  232. SismoTerra, Spain
  233. Dept of Civil Engineering, Unversity of Texas AT Arlington
  234. Historic Environment Scotland, United Kingdom
  235. Ayed Eid Al Osaimi Geotechnic Co., Saudi Arabia
  236. Metopolitan Police, United Kingdom
  237. Busan Metropolitan City, Korea
  238. Civil Engineering, University of Ositek, Croatia
  239. School of Archaeology, University of Oxford, United Kingdom
  240. George Washington Birthplace National Monument, NPS, Fredericksburg, Virginia
  241. Dept of Antrhopology CRAG, Colorado STATE University, Ft Collins
  242. Kozo Keikaku Engineering Inc, Tokyo, Japan
  243. 3DSoil, Belgium
  244. Corporacion Ambiental de Mexico, S.A. de C.V.
  245. Chien Hsin University of Science AND Technology, Taiwan
  246. State Geological Survey, University of Illinois, Champaign
  247. Dept of Minerals and Mining Engineering, Virginia Tech
  248. Dept of Anthropology, University of South Florida
  249. Cemetery Coordinator, Oklahoma
  250. Envirolift, Canada
  251. Instituto Politecnico Nacional, Mexico
  252. Golder Associates, Colorado
  253. Roads and Maritime Services, New South Wales Government, Australia
  254. Civil and Environmental Enginneering Dept, Strathclyde University, Scotland
  255. Municipality of Essen, Germany
  256. WSP Canada Inc, Calgary
  257. Paradigm Consultants Inc, Houston, Texas
  258. Instituto Colombiano de Antropologia e Historia, ICANH, Bogota
  259. Graph'it Studio, Warsaw, Poland
  260. United States Geological Survey, Reston, Virginia
  261. United Nations Development Program - Damascus, Syria
  262. Brian Whiting, PhD LEG, Seattle, Washington
  263. RMBaker LLC, Orlando, Florida
  264. Dept of Natural Resources, Washington STATE
  265. Dept of Earth Sciences, The Hebrew University, Israel
  266. Maek Consulting PTE LTD, Singapore
  267. Delta Marking BV, Netherlands
  268. GeoSense, Bogota, Colombia
  269. Masarykova Univerzita, Czech Republic
  270. Foshan University, China
  271. Opdida SL, Spain
  272. Florida Bureau of Archaeological Research, Tallahassee
  273. Soil Testing Siam Co Ltd., Bangkok, Thailand
  274. John Wood Group PLC, British Columbia, Canada 
  275. Precision Geomatics, United Kingdom
  276. GeoView Inc, Florida
  277. Faculty of Engineering, University of J. J. Stotamayer, Croatia