LGS (Latvijas Gaisa Satiksme) is going to implement Model B as an intermediate step towards the target solution according SESAR Deployment Manager (SDM) Data Link Services (DLS) Recovery Plan. Therefore, LGS needs to purchase and deploy a Front End Processor (FEP), Aeronautical Telecommunication Network (ATN) Ground/Ground (GIG) router and integrate all the parts together with the Air Traffic Management (ATM) system and Communication Service Provider (CSP) domain. The Project is addressing the following Enhanced Large Scale ATN deployment (ELSA) recommendations as identified in Annex 2 of the DLS Recovery Plan: ELSA Reference IDs Ground O1 to 04 and 09 to11.