EXHIBIT 24.1



                               POWER OF ATTORNEY





          KNOW ALL PERSONS BY THESE PRESENTS:  That the undersigned hereby
constitutes and appoints John F. Reno, Allan M. Kline, Mark V.B. Tremallo and
Robert W. Woodbury, Jr. and each of them (with full power to act alone) the
undersigned's true and lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, for and in the name and on behalf of the
undersigned, to execute any and all instruments and documents, and to do any and
all other acts and things, that any such attorney-in-fact and agent may deem
necessary or advisable, in compliance with the Securities Act of 1933, as
amended (the "Securities Act"), and any rules, regulations and requirements of
the Securities and Exchange Commission (the "Commission") in respect thereof, in
connection with the registration under the Securities Act of $275,000,000
aggregate principal amount of 9 3/4% Senior Subordinated Notes Due 2008 of
Telecommunications Techniques Co., LLC ("TTC"), payment of which is guaranteed
by Dynatech Corporation ("Dynatech"), pursuant to a Registration Statement on
Form S-4 (the "Registration Statement") to be filed with the Commission relating
to an offer to exchange such Notes for TTC's outstanding $275,000,000 aggregate
principal amount of 9 3/4% Senior Subordinated Notes Due 2008 payment of which
is guaranteed by Dynatech; including specifically, but without limiting the
generality of the foregoing, the power and authority to execute, for and in the
name and on behalf of the undersigned in any and all capacities, the
Registration Statement, any and all supplements and amend  ments (including,
without limitation, post-effective amendments) to such Registration Statement,
and any and all other instruments or documents filed as a part of, or in
connection with, such Registration Statement and supplements and amendments
thereto; and the undersigned hereby ratifies and confirms all that such
attorneys-in-fact and agents, or any of them, shall do or cause to be done by
virtue hereof.

Signed this 7th day of August, 1998.


                    /s/ John F. Reno
                    -------------------------------
                    Name:  John F. Reno