Summary

Licensing

This file is a work of a U.S. Army soldier or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government , it is in the public domain in the United States. العربية ∙ বাংলা ∙ català ∙ čeština ∙ Deutsch ∙ English ∙ español ∙ eesti ∙ فارسی ∙ suomi ∙ français ∙ hrvatski ∙ magyar ∙ Bahasa Indonesia ∙ italiano ∙ 日本語 ∙ 한국어 ∙ lietuvių ∙ македонски ∙ മലയാളം ∙ မြန်မာဘာသာ ∙ Nederlands ∙ polski ∙ português ∙ русский ∙ sicilianu ∙ српски / srpski ∙ Türkçe ∙ українська ∙ Tiếng Việt ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−

Original upload log

• 2006-02-12 04:41 Dual Freq 902×661×8 (188258 bytes) ==Caption from source== TROPOSPHERIC SCATTER AND LINE-OF-SIGHT COMMUNICATIONS ==Source== http://www.army.mil/cmh-pg/books/Vietnam/Comm-El/Photos/pg08.jpg http://www.army.mil/cmh-pg/books/Vietnam/Comm-El/ch1.htm ==License== {{PD-USGov-Military-Army}}