It serves as a public transparency record for civil defense infrastructure. Summary Table: "155588.zip" Comparison 3GPP Context Poltava Administration Context Primary Use Mobile Networking Standards Civil Defense Documentation Release Date September 2015 File Type Compressed Archive (.zip) Compressed Archive (.zip) Focus Area Radio Layer 1 (LTE/5G) Public Shelters & Safety

The file is hosted within the 3GPP FTP directory for the RAN Working Group 1 (Radio Layer 1).

The file R1-155588.zip is approximately 141.7 KB and was uploaded on September 25, 2015. 2. Poltava Regional Military Administration (Ukraine)

The archive 155588.zip (size: 147.8 KB) contains photographic evidence or documentation related to the addition of 568 new shelters created since the start of martial law.

It was part of the TSGR1_82b meeting documents, which took place in September 2015.

More recently, the identifier appears in official administrative records for the Poltava Regional Military Administration in Ukraine.

On July 17, 2023, an official report was published regarding the expansion of the protective structure fund in the Poltava region.

These files typically contain "T-Docs" (Technical Documents) or "CRs" (Change Requests) regarding mobile communication standards, such as LTE-Advanced or early 5G development.