<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31358490</termId><termName>radiosondes</termName><termType>PT</termType><termNote><![CDATA[ Instruments carried aloft by free, unmanned balloons and equipped with devices for measuring temperature, pressure, and relative humidity and automatically able to transmit the data by radio. ]]></termNote><termCreatedDate>2026-03-30 20:36:41</termCreatedDate><relation><relationType>UF</relationType><termId>31358491</termId><termName>radio-meteorograph</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358492</termId><termName>radio-meteorographs</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358493</termId><termName>radiometeorographs</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358494</termId><termName>radiosonde</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31325914</termId><termName>meteorological measuring devices</termName><termType>PT</termType></relation></term>  </Zthes>