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sorry everyone, i thought the filenames would be showing as well.
from left to right.
1. same level in house aprox 17m from phone / adsl modem in my office with an open door
2. down the stairs and under the house, still aprox 17m from modem
3 & 4 are from outside walking down the driveway from say 40m and then 60 m
hope these help
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