The Sub-secretariat of Information and Communication Technologies of Argentina issued Resolution 528/2021 on August 24, 2021. Through this Resolution, the Secretary of Public Innovation of the Chief of Cabinet of Ministers cancels the 20.2-21.2 GHz and 30-31 GHz frequency segments and opens frequency segments 17.7 -31 GHz of the National Table of Frequency Allocation for Fixed Satellite Service that are known as Ku (from 12,0-18,0 GHz), K (from 18,0-26,5 GHz) and Ka (from 26,5-40,0 GHz) bands. Such revisions of the national frequency allocation table were made in accordance with the provisions of the Radiocommunications Regulations of the International Telecommunications Union (ITU).

Thus, the following bands were allocated: 

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** the Satellite Broadcasting Service with primary category: 17.7 – 17.8 GHz (space – Earth)

** the Earth Exploration Satellite Service with primary category: 18.6 – 18.8 GHz (Passive) 

**the Space Research Service with primary category: 18.6 – 18.8 GHz (Passive)

** the Earth Exploration Satellite Service: 28.5 – 28.6 GHz (Earth – space), 28.6 – 29.1 GHz (Earth – space), 29.1 – 29.175 GHz (Earth – space), 29.175 – 29.25 GHz (Earth – space), 29.75 – 29.9 GHz (Earth – space) and 29.9 – 30 GHz (Earth – space)

** the Mobile Satellite Service with primary category: 19.7 – 20.1 GHz (space – Earth), 20.1 – 20.2 GHz (space – Earth), 20.2 – 21.2 GHz (space – Earth), 29.75 – 29.9 GHz (Earth – space), 29.9 – 30 GHz (Earth – space), 30 – 31 GHz (Earth – space)

** the Standard Frequency Service and satellite time signals with secondary categories: 20.2 – 21.2 GHz (space-to-Earth) and 30 – 31 GHz (space-to-Earth).

The Resolution itself you can find here.