13D Filing: Gerst Capital, LLC and Microwave Filter Co Inc (MFCO)

Item 1.

Security and Issuer

This statement relates to shares of Common stock, par value
$.10 per share (the “Stock”), of Microwave Filter Company, Inc. (the “Issuer”). The principal executive
office of the Issuer is located at 6743 Kinne Street, East Syracuse, NY 13057.

Item 2. Identity and Background

The persons filing this statement and the persons enumerated
in Instruction C of Schedule 13D and, where applicable, their respective places of organization, general partners, directors, executive
officers and controlling persons, and the information regarding them, are as follows:

(a)

Gerst Capital, LLC (“Gerst Capital”) Gregory J. Gerst (collectively, the “Filers”).

(b)

The business address of the Filers is also a private residence. Please contact the person authorized to receive notices and communications listed on the front page.

(c)

Present principal occupation or employment of the Filers and the name, principal business and address of any corporation or other organization in which such employment is conducted: Gerst Capital is an investment adviser. Mr. Gerst is the manager and control person of Gerst Capital.

(d)

During the last five years, none of the Filers has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).

(e)

During the last five years, none of the Filers was a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

(f)

For citizenship of the Filers, see Item 6 of each Filer’s cover page.