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primary transmitter at the Fridley water tank and with backup transmitters at that Fridley site and <br /> also at the Andover site. This channel is also served by nine additional receivers to improve the <br /> talk -back performance from radio users with low power handheld portable radios. <br /> The second dispatch channel is the north main dispatch channel (Channel 7, two frequency <br /> mobile relay or repeater channel) with a primary transmitter at the Andover site and a backup <br /> transmitter at the Anoka County Government Center site. This channel also is equipped with <br /> nine additional receivers to improve talk -back coverage from low power handheld portable <br /> radios. <br /> A third law enforcement channel is the information channel (Channel 3, a two channel mobile <br /> relay or repeater channel) with a primary transmitter located at the Bunker site and with a backup <br /> transmitter located at the Anoka County Government Center. This channel also has nine <br /> additional receivers to improve the talk -back coverage from low power handheld portable radios. <br /> A fourth law enforcement channel is the south administrative channel (Channel 5, which is a <br /> single frequency simplex channel) with the transmitter and receiver at the Andover site. There is <br /> no backup transmitter for this channel and there are no additional receivers associated with this <br /> channel. <br /> The fifth law enforcement channel is the north administrative channel (Channel 2, which is a <br /> single frequency simplex channel) with a primary transmitter at the Anoka County Government <br /> Center. There is no backup transmitter and there are no additional receivers associated with this <br /> channel. <br /> The south main dispatch channel is served by a radio operator 24 hours per day. The north main <br /> dispatch channel is served by a radio operator only 16 hours per day from 1100 to 0300. <br /> Currently there is no radio dispatch radio operator on this channel from 0300 to 1100. <br /> 2.2 SURVEY QUESTIONNAIRE <br /> 2.2.1 Construction of the Questionnaire Document <br /> Early in the progress of this project, a questionnaire was developed and circulated in the fire <br /> service and law enforcement communities. The questionnaire was constructed in a way intended <br /> to obtain information from the users of the fire and law enforcement two -way radio systems in <br /> regard to the performance of those systems. For example, the questionnaire did not explore the <br /> issue of congestion by asking a simple question such as, "Is there congestion on the radio <br /> channel ?" Instead, questions related to congestions were, "During busier hours of busy month, <br /> what percentage of the time do you have to wait ten seconds or longer to use the radio channel ?" <br /> Another question related to congestion is, "During busier hours of busy month do law <br /> enforcement officers report fewer car stops and building checks than during other times ?" <br /> Separate questionnaires were developed for the fire service and for law enforcement. Copies of <br /> Ronald Vegemasi Engineering, Inc. •8- Report Anoka County <br />