scope:

This specification covers the requirements for the construction and testing of one type of electronic counter - countermeasures (ECCM) training device designated Generator, Interference SG-886( )-T/UR, hereinafter called "generator". The generator is used to noise or tone modulate standard Army voice communication sets, such as AN/VRC-12, AN/PRC-25, AN/ PRC-77 and AN/GRC-106 with pre-selected output levels. Beneficial comments, (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, ERADCOM, Fort Monmouth, N.J. 07703, ATTN: DELET-DP, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter.

intended Use: