There are four instruments in Ireland, three of which are under the charge of Dr. Tom O'Connor at University College in Galway. They are a Robertson-Berger meter, a broadband photopic detector, and a UV-A detector. These three instruments, developed by The National Radiological Protection Board (NRPB), constitute the Solar Monitoring System (SMS). There are a number of SMSs already deployed by NRPB in the UK. Calibration for the SMS in Mace Head, Ireland is carried out by the NRPB. The fourth instrument is a spectral Brewer Mark IV run by the Chief Scientist at Valentia Observatory.

103 Brewer MarkIV, (Spectral) Caherciveen April 1993 Chief Scientist
144 Erythemally Weighted, RB Meter Mace Head Nov. 1993 O'Connor
145 Broadband, 3 Sensors, photopic detector Mace Head Nov. 1993 O'Connor
146 UV-A detector Mace Head Nov. 1993 O'Connor

The Brewer at Caherciveen takes measurements about two to three times every hour.
The SMS (consisting of the three instruments listed above) located at Mace Head takes measurements hourly. The planned SMS is to also take measurements every hour.

Liam Burke
The Meteorological Service
Glasnevin Hill
Dublin 9
Ireland

Dr. Tom O'Connor
Physics Department
University College
Galway
Ireland

Chief Scientist
Valentia Observatory
Irish Meteorological Service
Caherciveen, Co. Kerry
Ireland