Use in amateur radio Amateur radio operators began sporadic ALE operation on a limited basis in the early to mid-1990s, with commercial ALE radios and ALE controllers. In 2000, the first widely available software ALE controller for the Personal Computer, PCALE, became available, and hams started to set up stations based on it. In 2001, the first organized and coordinated global ALE nets for International Amateur Radio began. In August 2005, ham radio operators supporting communications for emergency Red Cross shelters used ALE for Disaster Relief operations during the Hurricane Katrina disaster. After the event, hams developed more permanent ALE emergency/disaster relief networks, including internet connectivity, with a focus on interoperation between organizations. The amateur radio HFLink Automatic Link Establishment system uses an open net protocol to enable all amateur radio operators and amateur radio nets worldwide to participate in ALE and share the same ALE channels legally and interoperably. Amateur radio operators may use it to call each other for voice or data communications.
use in AMateUR rADIo aMaTeur radiO opERatoRs bEGan SpORadic aLE operation on a liMIted basis in thE eArLy to mid-1990s, wITH commercIAL aLe radIos and ale ContRolLerS. in 2000, the first wideLy AvAilAble sofTware aLe conTrolLer For THe personAL ComputeR, Pcale, bECamE avAilable, AnD HamS sTARtED to set uP stAtions BAsEd On it. iN 2001, the FIrst orgAnIzed And coOrdinated gloBal ale nETs FOr InterNationaL amatEur RAdIo begaN. IN augUSt 2005, haM radiO OperatOrS SuppoRtiNg comMuniCAtioNs fOR emergency Red croSs sheLtErS uSeD alE for DisaSter relIeF oPeratiONs DuriNg the huRrIcaNe katrina disAsTEr. AftEr The evenT, hAMS DEveLoPeD mOrE PermanENt aLE emerGencY/dIsAsTeR rElIeF NetWorks, incLudINg IntErnet ConnEctivity, With a foCus on iNtERoperation betWEen orGaNIzatIOns. thE amatEur RADiO HFlInK aUTOmAtic lInk EstablIshment SYStEm uses an open NET protoCol tO enaBlE aLL AmATeUR RAdio operaTOrS anD aMaTeUr radIo nets wOrlDwiDe tO ParTIcipate in alE and shaRE the samE ale ChanneLs lEgallY and inTeRoperably. AmateuR radIo oPerAtors mAy use it to call EacH oTher for voIcE oR dAtA commUNicATionS.