AIRIS logo

ALOMAR

Arctic Lidar Observatory for Middle Atmosphere Research

[ Home | AIRIS Details | News | Pictures | List of Riometers |  ]


AIRIS first tests

The first test-riometer in place: Oct. 2002

Peter Chapman (Lanc.), making the first site scans: Nov. 2002

The first test setup
The first test setup at the site in 2002 - 2003

Winter testing - 2003/2004
Winter testing at the AIRIS site in 2003/2004

Autum 2003: Site tests
Autum 2003: Riometer test antenna

The first AIRIS site preparations - 2004
The first AIRIS site preparations in 2004

Site works

The anchors are being placed out

The support post tube

The concrete tube for the support posts (1.2 m deep)

The anchor

One of the array steel wire anchors (100 kg)

The site works

More anchors...

The support posts are being erected

The support posts are being erected: May 2005

An overview of the construction

An overview of the construction works: May 19th 2005

The support posts are being erected

The ground mesh is being unloaded: June 6th, 2005

An overview of the construction

June 7th: The ground mesh is now in place!

The support posts are being erected

Aug. 8Th: The first array eyebolt in place!

The support posts are being erected

Genesis' Eugene's working on the anchor wires...

The support posts are being erected

Antenna elements – ready for deployment...

The support posts are being erected

The definitive AIRIS array centerpoint!

The support posts are being erected

More antenna-parts...

The support posts are being erected

Finally! Aug. 8Th: The two diagonals are installed!

The support posts are being erected

Aug. 11th: The antenna is growing now!

The support posts are being erected

Aug. 11th: The center dipole and balun

The support posts are being erected


Mark and Eugene are small against the array

Balun


One of the 64 AIRIS baluns...

Peter's hunting for a noise source!

Aug. 15th: Peter Chapman's searching for noise...
Eugene's working on the feeder cables

Aug. 15th: Eugene's working on the feeder cables...
Peter and Mark are tuning the baluns

Aug. 15th: Mark and Peter are tuning the baluns...
Peter found the noise source!

Aug. 15th: Peter's found the noise source!
37.885 MHz noise! We must get rid of it!

Aug. 19th: 37.885 MHz noise! We must get rid of it!
Peter and Mark's chatting along...

Aug. 19th: Peter and Mark's chatting along...
Feeder cable roll-out..

Aug. 19th: Feeder cable roll-out...
Dipole isolator and bird prevention line.

Aug. 19th: Dipole isolator and bird prevention line.
The AIRIS pets!

Aug. 19th: The AIRIS pets.
64 feeder cables in place.

Aug. 20th: 64 feeder cables in place.
Feeder cable entry.

Aug. 20th: AIRIS feeder cable entry point.
Masthead pre-amp box prep.

Aug. 20th: One of the 64 masthead pre-amp. boxes is being prepared.
All 64 measthead pre-amp boxes in place

Aug. 20th: All 64 measthead pre-amp boxes in place

The equipment hut...

Aug. 25th: The equipment hut...

Feeder cable and masthead ampl. box

Aug. 25th: Feeder cable and masthead ampl. box
Top of one dipole

Aug. 25th: Top of one dipole
The AIRIS array overview

Aug. 25th: The AIRIS array overview...
A closer look!

Aug. 25th: A closer look! The array is done now.
The AIRIS receiver rack

Jan. 17th 2006: The AIRIS reciever rack in operation