Barrett 4050 HF SDR Operating And Installation Manual

Also see for 4050 HF SDR: OPERATING AND INSTALLATION Manual Operating manual Installation guide OPERATING AND INSTALLATION Manual

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Barrett 4050 HF SDR Operating And Installation Manual Manual pdf 162 page image

162BARRETT 4050 HF SDR TRANSCEIVER - OPERATING AND INSTALLATION MANUALNote: In-line 3AG glass fuses are not suitable. An ATC automotive blade type fuserated at 25 A with a suitable high current ATC fuse holder rated at 30 A or moreshould be used. These type of fuses and holders are contained in our standardinstallation kit (Barrett P/N BCA40004) or are available individually (Barrett P/NBCA20021).AntennaThe antenna is a most critical part of the complete radio installation. It mustaccept the output power from the transmitter, radiate that power withminimum loss and in the receive mode, accept weak signals for input to thereceiver.Incorrect antenna installations will yield poor system performance and areoften the cause of complaints of poor Transceiver performance.$UDQJHRIDQWHQQDVLVDYDLODEOHIURP%DUUHWWWRVXLWPRVWVPDOOÀ[HGVWDWLRQVDetailed instructions are included with each antenna.912 Single Wire Broadband Dipoles(Barrett P/N BC91201)Barrett 912 single wire broadband dipoles are ideal for base stations thatrequire operation on multiple frequencies throughout the HF spectrum using asingle antenna.7KHDQWHQQDFDQEHPRXQWHGHLWKHULQDKRUL]RQWDORULQYHUWHG¶9·FRQÀJX-UDWLRQDVLOOXVWUDWHGLQWKHIROORZLQJGLDJUDPV,QWKHKRUL]RQWDOFRQÀJXUDWLRQthe major radiation direction is broadside to the antenna. When mounted inWKHLQYHUWHG¶9·FRQÀJXUDWLRQWKHDQWHQQDEHFRPHVIDLUO\2PQLGLUHFWLRQDO,QWKHKRUL]RQWDOFRQÀJXUDWLRQWKHPLQLPXPGLVWDQFHEHWZHHQWKHPDVWVLV49 metres and the recommended mast height is 15 metres. In the inverted ‘V’FRQÀJXUDWLRQWKHUHFRPPHQGHGPDVWKHLJKWLVPHWUHV