Description

The Argentine Ministry of Foreign Affairs declassified, under Law 27,275 on Access to Public Information, the riometer measurements taken in 1991 at San Martín Base, Antarctica. The incident occurred between April and May, when, in the early hours of the morning, the base's riometer began recording abnormal measurements, which were registered on paper rolls. Hours later, a member of the base's laboratory witnessed a large luminous circle flying in complete silence over the base.

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The article about the news says (https://www.unoentrerios.com.ar/el-pais/fenomeno-ovni-35-anos-despues…):

*An episode that occurred in 1991 in Antarctica returns to the scene after more than three decades. The recent declassification of official documentation, managed through the Law on Access to Public Information, reactivates interest in a series of unusual measurements recorded at the General San Martín Base and the testimony of one of its protagonists: the meteorologist Miguel Amaya.*

*Miguel Amaya fulfilled functions as a meteorological observer at the base. His technical training allowed him to clearly distinguish conventional atmospheric phenomena from other events. The event occurred between April and May 1991, during the beginning of the polar night. The crew was made up of 20 people, including military and civilian scientists.*

*Around 1:15 a.m., the electronic engineer in charge of ionosphere studies called him to ask if there were active radio transmissions to the continent. Minutes later, anomalies began to be recorded in a key scientific instrument: the riometer.*

*A riometer measures variations in the ionospheric absorption of cosmic radio waves and allows the study of alterations in the ionosphere, especially in polar regions. According to the testimony, the recording equipment – with three independent graphic arms – began to draw identical lines simultaneously, something that the engineer considered technically impossible.*

*The measurements lasted for approximately four and a half hours, with peaks of intensity that, according to the account, had no known precedent.*

*The next morning, during the weekly communication with the Antarctic General Directorate, the engineer informed his superior about the magnitude of the signals. The answer was blunt: the material should not be transmitted by radio or sent on flights. It was to be personally delivered in February, when the icebreaker ARA Almirante Irízar arrived.*

*The instruction included keeping the roll "under the arm" and not talking about the subject again through frequency. For CEFORA (Commission for the Study of the UFO Phenomenon in the Argentine Republic), this point constitutes one of the most sensitive aspects of the case: the possible intention to restrict the circulation of scientific information that could not be explained immediately.*

*But the episode did not end there. According to Amaya, that same night, one of the members of the laboratory observed in the middle of the snowfall and with low cloud cover a large luminous circle moving slowly over the base in the direction of the sea, without emitting a sound.*

*The experience was recounted in a climate of general bewilderment within the crew.*

*After the declassification, CEFORA consulted in the official list of the 1991 endowment published by the Marambio Foundation. Among the civilian personnel of the Argentine Antarctic Institute is the electrical engineer with electronic orientation, Esteban Lucio González.*

*According to the organization, contact has already been established with him to know his direct version of the events. The possibility of locating the rest of the members of that Antarctic campaign is also being analyzed.*