Dr. Leif Helldner

Professor

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Biography

Leif Helldner is a Senior Research Engineer at Onsala Space Observatory, specializing in the development, integration, testing, and maintenance of radiometers, receivers, antenna systems, and surrounding equipment in radio astronomy. He has participated in the development of critical systems for significant projects such as SEST, APEX, ALMA, LOFAR, and SKA VLBI2010. Leif has extensive knowledge in the development of systems involving cryogenic and vacuum technology as well as radiometer technology and VLBI techniques. He works closely with partners from universities and institutions, as well as industry, both nationally and internationally.

Research Interests

Radio Astronomy Cryogenic Technology VLBI Techniques

Experience

Senior Research Engineer

2007-01-01 — Present

Onsala Space Observatory • Göteborg, Sweden

Involved in the development, integration, testing, and maintenance of radiometers and receivers for radio astronomy.

Requirements for Chalmers University of Technology

Master Program
Requirements
GPA Requirement
Required:3
IELTS
Listening
Required:5.5
Reading
Required:5.5
Writing
Required:5.5
Speaking
Required:5.5
Overall
Required:6.5
TOEFL
Writing
Required:20
Total
Required:90
PTE
Listening
Required:62
Reading
Required:62
Writing
Required:62
Speaking
Required:62
Overall
Required:62
Prerequisites
Bachelor's degree in a relevant field of Engineering, Science, or Architecture Minimum 180 ECTS credits Specific course prerequisites in Mathematics (Linear Algebra, Multivariable Analysis, Statistics) Specific course prerequisites in Physics or Chemistry depending on program
Application Checklist
  • Certificates and diplomas from previous university studies
  • Transcripts of completed courses and grades
  • Proof of English proficiency
  • Proof that you meet the specific entry requirements
  • Copy of passport or ID
  • Curriculum Vitae (CV)
  • Letter of Motivation (1 page)
  • Project portfolio (required for Architecture and Design programs)
Specialization Notes

General requirements apply to all departments listed at Chalmers. Specific departments like Architecture require a portfolio. Programs in Management/Economics do not strictly require GMAT/GRE but high academic standing is prioritized.