-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QeRMwNqcaKoRfxeiYkcZSBKEQo255x21a5k+13JoYtSrVV1u7aqzLSk1rDu4ZAiE
 80LmxeUGXY47YTQPcR8m8g==

<SEC-DOCUMENT>0000902664-97-000050.txt : 19970221
<SEC-HEADER>0000902664-97-000050.hdr.sgml : 19970221
ACCESSION NUMBER:		0000902664-97-000050
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		19970210
SROS:			NASD

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACT NETWORKS INC
		CENTRAL INDEX KEY:			0000942132
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER COMMUNICATIONS EQUIPMENT [3576]
		IRS NUMBER:				770396887
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-45161
		FILM NUMBER:		97522164

	BUSINESS ADDRESS:	
		STREET 1:		188 CAMINO RD
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012
		BUSINESS PHONE:		8053882474

	MAIL ADDRESS:	
		STREET 1:		188 CAMINO RUIZ
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARDSLEY ADVISORY PARTNERS
		CENTRAL INDEX KEY:			0000900529
		STANDARD INDUSTRIAL CLASSIFICATION:	 []
		IRS NUMBER:				0
		STATE OF INCORPORATION:			CT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		646 STEAMBOAT ROAD
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

	MAIL ADDRESS:	
		STREET 1:		CHRISTINE Y HOMER
		STREET 2:		900 THIRD AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>000090266497000050-001-seq1-sc-13g-a.txt
</DOCUMENT>
</SUBMISSION>