Echolink, is a system of linking ham radio operators, radio stations and repeater stations anywhere in the world via the internet, using VOIP technology similar to Skype. This system was developed by Jonathan Taylor and is Windows based, although there are Mac and Linux versions with limited features. Unlike IRLP, Echolink can be used for 100% of the connection path (without the use of a radio). Users must register to use the system and have their ham radio license credentials verified.
Users must register as either an individual user or a sysop (which will allow the connection of a transceiver (or repeater) to the system)
Bridging software also exists to allow an IRLP node to operate as a sysop Echolink node.

Early participating stations (nodes) originally had a 4 digit number, currently issued numbers are 6 digit. These numbers entered via the DTMF keypad of the user (any station within range of a sysop node) will connect the user to their chosen node, providing that node is actively connected to the system. 4 and 5 digit 'vanity nodes' can be purchased on joining the system, this income helps fund the project.
It is also possible to connect multiple nodes together (a little like a chat room) by connecting to a conference room enabling many nodes anywhere in the world to communicate simultaneously.

Echolink software will run on almost any modern PC fitted with a sound card and can be downloaded by visiting the link below. Care must be taken to carefully set port forwarding on your router. At the Echolink website all stations who are currently active on the system can be viewed.





GB3AE-R Tenby 117405
GB3AI-R Amersham, Bucks 4969
GB3AG-R Dundee Gateway 117931
GB3AH-R Dereham, Norfolk 126469
GB3AL-R Amersham, Buckinghamshire 19063
GB3AM-R Amersham, Bucks 4125
GB3AR-R Caernarfon, North Wales 206003
GB3BC-R Newport Wales 39300
GB3BN-R Bracknell, Berks 1938
GB3BS-R Bristol 230964
GB3BY-R Kidderminster 6624
GB3CG-R Gloucester 190502
GB3CM-R Camarthen 219698
GB3CS-R Central Scotland 167078
GB3DB-R Scottish Borders 116678
GB3DG-R Dumfries and Galloway 11659  
GB3DV-R Maltby 120618
GB3DW-R Criccieth, North Wales 258658
GB3DX-R Birmingham 7125
GB3EK-R Margate, Kent.  gb3ek.co.uk 48360
GB3FH-R North. Somerset 228585
GB3FK-R Folkestone, Kent 235976
GB3GN-R Aberdean, Scotland 19583
GB3HD-R Huddersfield, West Yorks 114580
GB3HE-R Hastings, Kent 115293
GB3HH-R Buxton, Derbyshire 97616
GB3IE-R Plymouth, Devon 27871
GB3IK-R Medway Towns, Kent.  gb3ik.co.uk 263025
GB3IN-R Huthwaite, Notts 98258
GB3IR-R North East England 1353
GB3JF-R Asgarby, Lincs 3805
GB3KD-R Kidderminster 187981
GB3KL-R Kings Lynn 77266
GB3KR-R Kidderminster 4304
GB3LS-R Lincoln 268511
GB3LV-R Enfiled, London.  433.050 MHz 155403
GB3LY-R Coleraine N.Ireland 39437
GB3MI-R Manchester Cty 197681
GB3NC-R St Austell, Cornwall 282184
GB3ND-R Bideford 221334
GB3NK-R Erith, Kent 54760
GB3NY-R Scarborough 219719
GB3OH-R Bo'ness, Scotland 37878
GB3OK-R London, Kent & Essex.  gb3ok.com 280040
GB3PA-R Langbank, West Scotland 116678
GB3PZ-R Manchester 2591
GB3SB-R Scottish Borders 116678
GB3SD-R South Dorset 112689
GB3SW-R Honiton, Devon 280783
GB3TD-R Swindon, Wilts. 43307
GB3TE-R Plymouth 27871
GB3TF-R Telford, Shropshire 124691
GB3TP-R Keighley, W Yorks 257033
GB3UB-R Bath 201135
GB3WE-R Weston, Somerset 230805
GB3WO-R West Oxfordshire 170343
GB3XN-R Langold, Notts 153126
GB3YR-R Maltby Sorth Yorks 251071

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