Sensor station

DSC00788w The presently installed sensor stations apply Geiger-Müller counter tubes for radiation detection. Also PIN-diode detectors have been used in several stations. By counting the impulses delivered by the detector a microcomputer (RaspberryPi) computes dose rate values. Mean values of a sliding window averager (15 minutes) are encrypted and transfered, via internet, to the server. Hardware and software are based on the open resource project PiGI.

Sensor stations are rolled out in 3 by 6 by 8 inch waterproof boxes (7.5x15x20 cm) intended to be installed at an outdoor position which is protected against driving rain and direct solar radiation (e.g. mounted to a wall under a balcony or porch), preferably at 3 feet (1 m) above ground. They need 5V DC power supply for their operation and internet access via the local DSL router. If an outdoor mains outlet is provided at the installation site data transfer can be facilitated via mains line. Alternatively data transfer and power supply can be merged on a single data cable (PoE). All options are descibed in detail in an installation guide for download.

Tilff w IMG 0318w

Stations are installed at user sites on loan. They remain in the ownership of FIfF e.V.

J! Info Request Session Profile Queries34

4.365MB62.25ms

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SELECT `c2`.`language`,`c2`.`id` FROM `tdrm_menu` AS `c` INNER JOIN `tdrm_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `tdrm_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `tdrm_menu` AS `c2` ON `a2`.`id` = `c2`.`id` WHERE `c`.`id` = :id188μs1.44KBParams/libraries/src/Language/Associations.php:145Copy
SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id`,CONCAT_WS(':', `ca`.`id`, `ca`.`alias`) AS `catid` FROM `tdrm_content` AS `c` INNER JOIN `tdrm_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `tdrm_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `tdrm_content` AS `c2` ON `a2`.`id` = `c2`.`id` INNER JOIN `tdrm_categories` AS `ca` ON `c2`.`catid` = `ca`.`id` AND `ca`.`extension` = :extension2 WHERE `c`.`id` = :id AND c2.access IN (1,5) AND c2.language != 'en-GB' AND (c2.publish_up IS NULL OR c2.publish_up <= '2025-04-12 03:48:28') AND (c2.publish_down IS NULL OR c2.publish_down >= '2025-04-12 03:48:28') AND c2.state = 1288μs1.52KBParams/libraries/src/Language/Associations.php:145Copy
SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `tdrm_categories` AS `s` INNER JOIN `tdrm_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`380μs19.98KBParams/libraries/src/Categories/Categories.php:375Copy
SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `tdrm_categories` AS `s` INNER JOIN `tdrm_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`355μs3.98KBParams/libraries/src/Categories/Categories.php:375Copy
SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `tdrm_categories` AS `s` INNER JOIN `tdrm_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`350μs3.98KBParams/libraries/src/Categories/Categories.php:375Copy
SELECT * FROM `tdrm_schemaorg` WHERE `itemId` = :itemId AND `context` = :context134μs1.55KBParams/plugins/system/schemaorg/src/Extension/Schemaorg.php:403Copy
SELECT `a`.`id`,`a`.`asset_id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`state`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`version`,`a`.`ordering`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`metadata`,`a`.`featured`,`a`.`language`,`fp`.`featured_up`,`fp`.`featured_down`,`c`.`title` AS `category_title`,`c`.`alias` AS `category_alias`,`c`.`access` AS `category_access`,`c`.`language` AS `category_language`,`fp`.`ordering`,`u`.`name` AS `author`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1) AS `rating`,`v`.`rating_count` AS `rating_count` FROM `tdrm_content` AS `a` INNER JOIN `tdrm_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `tdrm_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `tdrm_users` AS `u` ON `u`.`id` = `a`.`created_by` LEFT JOIN `tdrm_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `tdrm_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE ( (`a`.`id` = :pk AND `c`.`published` > 0 AND `a`.`language` IN (:preparedArray1,:preparedArray2)) AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp)) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`state` IN (:preparedArray3,:preparedArray4)300μs6.23KBParams/components/com_content/src/Model/ArticleModel.php:215Copy
SELECT SUM(CASE WHEN `a`.`next_execution` <= :now THEN 1 ELSE 0 END) AS due_count,SUM(CASE WHEN `a`.`locked` IS NULL THEN 0 ELSE 1 END) AS locked_count FROM `tdrm_scheduler_tasks` AS `a` WHERE `a`.`state` = 1124μs1.37KBParams/administrator/components/com_scheduler/src/Model/TasksModel.php:517Copy
SELECT `session_id` FROM `tdrm_session` WHERE `session_id` = ?102μs3.5KBParams/libraries/vendor/joomla/session/src/Handler/DatabaseHandler.php:277Copy
UPDATE `tdrm_session` SET `data` = ? , `time` = ? WHERE `session_id` = ?337μs592BParams/libraries/vendor/joomla/session/src/Handler/DatabaseHandler.php:301Copy