SEC RIFS Ionosonde Installation

The following photos were taken in June and July 2001 when the antenna system for a Canadian Advanced Digital Ionosonde (CADI) was installed at Bear Lake Observatory (BLO) for the SEC RIFS project. Click on the small photo for the full-size version.

Preparations for setting corner posts

Corner posts and first rocky hole

Vince Eccles (l) and Mike Howsden (r), Post Hole Diggers

Partially-assembled mast

Loosening rocks for auger

Augering a post hole

Preparing the base for the mast

Corner post set in concrete, mast in background

Base plate posts are set

Base plate set

Bottom sections of mast set up to check clearances

...not straight, but upright

Jan Sojka and Don Thompson unspool wires and guys

Connections to resistor box at top of mast

Last post, straddling a buried boulder

Hard at work under stormy skies

Finishing touch to post base

How to raise a mast easily

Preparing to lift and guy mast

Going up...

Mast is held upright while guys are adjusted

Antenna system with lower wires marked with yellow CAUTION tape

CADI antenna (left middle) at BLO

Cows love antennas

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