NRAO ALMA Explorer Learn and Explore NSF AUI
Visit the VLA and its New Mexico environs with exclusive narrated and hosted video tours.
Telescopes > VLA > Explorer > Operations Site
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Go to Map Introduction Socorro New Mexico Tech Plains of San Agustin Datil Magdalena
  • Go to Map
  • Introduction
  • The Barn
  • Master Pad
  • Transporters
  • ALMA Test Facility
  • Riding the Rails
  • Long Wavelength Array
  • Pads
  • Configurations
  • At Night
  • Visitors Center
  • Wildlife
  • Special Events Building
  • Telescope Tour
    • Introduction
    • Elevation Gear
    • Receivers
    • Dish Surface
    • Cooling System
    • Electronics
    • Pedestal Room
  • Control Building
    • Introduction
    • Making Fiber Cables
    • Old VLA Correlator
    • Control Room
    • Fiber Optics
    • WIDAR Cabinets
    • WIDAR Cooling Units
    • WIDAR Power Systems
    • WIDAR Circuit Boards
  • Go to Map
  • Electronics Labs
  • Introduction
  • Orthomode Transducers
  • C-Band Receiver
  • Ku-Band Receiver
  • Soldering and X-raying Boards
  • Microsoldering
  • VLBA Data Drives
  • VLBA Correlator
  • Test Rack
  • Ka-Band Receiver
  • VLBA Control Room
  • Data Transmission Module
Soldering and X-raying Boards
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Astronomer Rick Perley gets a demonstration from engineer Keith Morris of how our special soldering and X-ray machines ensure that all of the tiny ball soldering joints are intact on the 28-layer circuit boards used in the Very Large Array's WIDAR Correlator.