concept of longterm emf-monitoring. date | title of presentation | 2 contents l risk communication l...
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Concept ofLongterm EMF-Monitoring
Date | Title of presentation | 2
Contents
l Risk communicationl Measurement criteriasl Benefits of Automated Longterm Measurements l Measurement procedure and configurationl Experience madel Summary
Date | Title of presentation | 3
Driving factor is fear and uncertainty of people.
Measurements can create a basis for discussion, which people can understand and trust.
Key issue are credible, comprehensive results. Different results and criteria apply for different groups.
Otherwise the risk is growing concerns and influence of others.
Example for an Successful Risk Communicationcommunity of highly concerned
undefined concerns
indifferent
ambiguous
Segmentation of EMF awareness
Influen
ce
Date | Title of presentation | 4
undefined concerns
unconcerned
ambiguous
Driving factor is fear and uncertainty of people.
Measurements can create a basis for discussion, which people can understand and trust.
Key issue are credible, comprehensive results. Different results and criteria apply for different groups.
Otherwise the risk is growing concerns and influence of others.
Example for an Successful Risk Communication
Segmentation of EMF awareness
community of highly concerned
Influen
ce
Date | Title of presentation | 5
Generall Standardized measurement procedure for comparabilityl Information on procedure and results
Undefined concernsl Results easily accesiblel Results easily understandable and interpretablel High density of measurements to cover represantative
configurationsl Trust in the responsible organization and measurement procedure
Reliable information
Measurement Criterias
Date | Title of presentation | 6
Community of highly concernedl Results must be traceablel Detailed information on measurement conditionsl Results must endure comparison with third party measurementsl Results for different frequencies and services with evidence of
also smaller emissions must be available
Proof of correct and traceable measurements
Ability to show results for specific investigations
Measurement Criterias
Date | Title of presentation | 7
l Installation conditionsl Ruggedized design and easy installationl No experts needed for putting into servicel Easy to cover large areas
l Conditions for the resultsl Surpassing repeatability and traceability of the results.l Possibility of central database with directly comparable data.l Measurement of the actual immission, no extrapolation
New technologies (e.g. MIMO) make extrapolation difficult anyway.l Longterm evaluation allows correlation with public discomforts.l Longterm evaluation can prove any transmitter changes.l Realtime results prove authenticity.
l The trustworthiness has to be proven only once.Measurement failures can be minimized.
Benefits of Automated Longterm Measurements
Date | Title of presentation | 8
l All relevant emitters can be coveredl 9 kHz to 3 GHz / 6 GHz
l Allocation of emission to the emitterl Frequency selective measurementl Jammers, pirate radios and unusual emissions are identified
l Measurement independant from direction and polarizationl Isotropic loop antenna 9 kHz to 130 MHzl Isotropic E-field antenna 130 MHz to 3 GHz / 6 GHz
l High dynamic and sensitivityl Emitters of interest (e.g. close-by base station) must be detectable in
presence of stronger emitters (e.g. more distant TV station).
l Evaluation according to different criteria (e.g. ICNIRP)l Outdoor capabilityl Transportablel Configuration possibility for special measurement tasks
Necessary Requirements
Date | Title of presentation | 11
Experience with Automatic Longterm Monitoring
Date | Title of presentation | 14
Data transfer(e.g. GPRS)
Measurement SequenceAutomatic
sensitivity detection
Measurement of frequency subranges
Measurement of special services (e.g. DVB, UMTS, DECT, Radar)
Evalualation and compression of results
Measurement of signal bandwidth Check of plausibility
Test report incl. environmental / GPS / Status data
Remote configuration
In case of no signal detected in subrange: Improved sensitivity setting
Date | Title of presentation | 21
l Automatic monitoring improves repeatability and traceability
l Detailed results for each service for transparancy
l Longterm results showing fieldstrength variation allow correlation with complaints
l Versatile tool for special investigations
Summary