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New Measurements Show Aurora BPL's Susceptibility To Interference
Date :
10 /
10 /
2006
Author :
Phil Wait - VK2DKN
Justin (VK7TW) and his team at REAST have measured the susceptibility of the Aurora Energy BPL trial in Hobart to nearby radio transmissions.
The Mt Nelson RF Susceptibility Report demonstrates a very high degree of disruption from very low power transmitters.
In some cases the client was required to re-enter their username and password and log back into the service.
In fact, less than 5 Watts power output from a mobile station within 60 to 80 metres of a clients modem adversely affected their BPL service. This represents an effective radiated power (EIRP) of less than 1 Watt due to the inefficiency of the mobile antenna.
Mobile HF radio equipment normally operates with an output power of 100 watts.
This degree of susceptibility to electromagnetic interference (EMI), and the apparent inability to deliver quality customer service in the presence of nearby radio transmissions, should be of great concern to BPL equipment manufacturers, BPL service providers, and their end-user clients.
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