Inside GNSS Media & Research

SEP-OCT 2018

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32 Inside GNSS S E P T E M B E R / O C T O B E R 2 0 1 8 www.insidegnss.com In 1994, Jensen completed her M.Sc. also at Aalborg, and from there she went to work. "I started in GNSS as a professional with the Danish company GPService, where my job was to develop a logging soware for NovAtel OEM cards. e soware had to run on a hand-held computer with a Danish-language interface, to be used in typical land surveyor tasks. e log- ging soware was to interface with a post-processing soware, so the user could easily obtain high accuracy posi- tions aer using a stop-and-go survey- ing technique in the field. "I believe what we developed back then was really good, given the tech- nology at hand," Jensen said, "but in terms of market shares, we were totally overrun the following year by the advent of the real-time kinematic (RTK) technique, which today is still the primary measurement method used by land surveyors in the field." In 1995, she obtained a post as Research Assistant at the National Sur- vey and Cadastre in Denmark, Divi- sion of Geodesy. en, in 1999, four years into her stint, things changed again. She told her parents she wanted to do a Ph.D. "All the way through high school and university, until I got my M.Sc. degree," Jensen said, "my parents had always been very encouraging and supportive, but when I started talking about a Ph.D., the excitement was gone. My parents just weren't sure about it, probably because I had been holding down a good position at the National Survey." Working on a Ph.D. would mean, at the very least, taking a part- time educational leave from her job. "And then nobody else in the family had ever had a Ph.D.," she said, "and I think there was some uncertainty as to what kind of work I could do aer a research education." In any case, Anna had made up her mind. She went ahead and got her Ph.D. in geodesy, from the Niels Bohr Institute in Copenhagen in 2002, with co-supervision from Dept. of Geomat- ics Engineering at the University of Calgary. From then on, there was no hold- ing her back. In 2003, now Dr. Jensen, Anna became Associate Professor at the Technical University of Denmark (DTU), near Copenhagen, working in the Geoinformatics section. In 2006, she launched her own company, AJ Geomatics, the GNSS and geodesy consultancy, where she serves as CEO. And, in 2014, she was made Professor and Head of the Geodesy and Satellite Positioning Division at Swe- den's prestigious KTH Royal Institute of Technology. Somewhere along the way, we understand, her parents forgot their misgivings. Mr. Jens Jensen has since passed away, and we know he knew his daughter had made the right choice with that Ph.D. thing, and we are sure that he was very proud of her, as is mother Birgitta to this day. Projects to Speak of Having now worked in GNSS for 24 years, Anna Jensen can talk about a lot of concrete accomplishments in that very real field. "One of the projects I am most happy about is the development of an ionosphere model for Norway, back in 2007-2008," she said. "I developed an initial idea and first implementation of the model where we used data from permanent GNSS stations to estimate ionospheric activity and map this over the country of Norway. at first beta model has since been redone and refined by the Norwegian Mapping Authority and is today an online tool available through their website." During 2012-2013, Jensen partici- pated in the Single European Sky ATM Research initiative (SESAR), working with the Norwegian company Avinor. "I coordinated a study on GNSS vul- nerability with a main focus on the threats from space weather, and signal interference and jamming. is was an exciting task because air naviga- tion in general is a challenging field and because it included cooperation with colleagues from several European countries. "From 2009-2016, much of my time was spent working as a consultant for Rambøll Denmark, on the establish- ment of a geodetic basis and GNSS RTK system for a big construction project – the Fehmarn Belt Fixed Link. is is a tunnel to be built between Germany and Denmark." e work included coordination of the establish- ment of new permanent GNSS sta- tions, a geodetic reference frame, geoid model, map projection, RTK position- ing service, and more, involving many companies and people. "To me it was great to work on the project because I could draw on basically all the qualifi- cations I had obtained up to that point Dr. Jensen and her brother sailing off the coast of Copenhagen, Denmark. Right, Dr. Jensen with her niece and nephew during a skiing vacation in Sweden. HUMAN ENGINEERING

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