EISCAT information

Basic operation

Sketch of the basic idea of EISCAT operation

Signal Animation

Signal Animation

Incoherent Scatter

Background information about incoherent scattering.

The Tromsø UHF radar

Photo of the Tromsø UHF radar

The Tromsø VHF radar

Photo of the Tromsø VHF radar

The Svalbard radar

Photo of the Svalbard radar system

Regions in space and the atmosphere

Regions in space and the atmosphere studied by EISCAT

EISCAT experimental programmes

Description of the experimental programmes of EISCAT

Eiscat Svalbard Radar (ESR)

Short information about the EISCAT Svalbard radar.

The Svalbard radar

Photo of the Svalbard radar system

UHF Antenna

Some information about the UHF antennas

Instrumentation

Short description of the instrumentation

The capacitor bank

The capacitor bank for the EISCAT transmitters.

The UHF transmitter

The UHF transmitter in Tromsø.

The VHF transmitter

The VHF transmitter in Tromsø

New Technology

New technology and techniques

EISCAT's ionospheric Heating facility (including Dynasonde)

Description of the EISCAT heating facility

The heating site

Photo of the EISCAT heating site

Heater transmitter valve

Photo of a transmitter valve

Heater amplifier

Photo of a power amplifier for the heater

Heater transmission lines

Photo of transmission lines for the heater

SOUSY switch

Photo of a SOUSY-switch

Heater arrays

Sketch of one of the heater arrays

Sample ionogram

A sample ionogram from the dynasonde

The Dynasonde at Tromsø

Description of the dynasonde

Dynasonde control

Photo of the control of the dynasonde

The dynasonde in snow

Photo of a slightly broken dynasonde antenna

The dynasonde

Photo of the dynasonde antenna

Tromsø dynasonde instructions

Instructions to operate the Tromsø dynasonde

The API Technique

Description of the API (Artificial Periodic Irregularity) technique

Example of API results

An example of results using the API method

API results

Example of results using the API technique