| http://www.w3.org/ns/prov#value | - For example, in some embodiments, antennas 211 to 217 may be shaped as lines or straight lines, e.g. in a pattern and/or shape similar to FIG. 2, which may allow signals to travel a short or a relatively short route, for example, until they are amplified by amplifier 222 and/or recorded by recorder 202.
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