Kenwood TH-22A Instruction Manual

Also see for TH-22A: Instruction manual Instruction manual Instruction manual Instruction manual Instruction manual

PACKET OPERATIONOneofthemostexcitingbenefitsofowningahandyFMtransceivernowadaysistheabilitytouseitforVHForUHFpacketradio.DuetothesmallsizeoftheTH-22/TH-42serieshandhelds,theyare particularlyhandyformobileorportablepacketoperation.Byusingasmalllaptopcomputertocontrolanyof thewidelyavailableTerminalNodeControllers(TNC), andinterfacing theTNCtoyour transceiverviatheexternalmicrophoneandspeakerjacks,youmaybe surprisedathowcompactandlightweighta digitalstationcanbe.Operating packetwhile on theroadfromacampsiteorhotelcan beagreatwaytomeetotherswithcommoninterestswheninanewareaor city.Newcomerstodigitalcommunicationswillbe surprisedtodiscoverwhattheyhave beenmissing.Similarly,by connectingahomecomputerordumbterminal,which youmayhaveinyourshackalready,toyourTNC/transceiver assembly,youcanbecomeactiveonpacketwithlittlefurthermonetaryinvestment.Ineithercase,connectingtooneofthemanystationswithgatewaystoHFor satellite linkscan giveyounationaland worldwidemessagingcapabilityfrom yourstation withnothingmorethan yourhandheldforthecommunicationslink.Referto"CONNECTINGOPTIONAL EQUIPMENT"{page62}forbasicconnectioninformationfortheexternalmicrophoneandspeakerjacks.ConsultyourTNCinstructionmanualforadditionalinformationaboutconnectingaTNCtoyour transceiver.Muchreferencematerialisavailableforgetting startedin digitalcommunicationsfrom anystorethathandlesAmateurRadioequipment.2Note: Thistransceiverisnotrecommendedfor9600bpsPacket operationsinceusingthemicrophone/speakerjacksas aninterfacemaynotprovidereliableoperationatthishightransmission speed.51