<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31429427</termId><termName>solar charts</termName><termType>PT</termType><termNote><![CDATA[ Charts that plot the solar azimuth angle, solar altitude angle or solar time. These are used for a variety of purposes including navigation, orientation, or architectural planning. Common solar charts employ an artificial concentric scale of equidistant intervals to calculate solar geometric parameters. ]]></termNote><termCreatedDate>2026-03-30 20:55:51</termCreatedDate><relation><relationType>UF</relationType><termId>31429428</termId><termName>charts, solar</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31429429</termId><termName>solar chart</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31400159</termId><termName>charts</termName><termType>PT</termType></relation></term>  </Zthes>