M2 Antenna Systems 41-3BB Manual

SPECIFICATIONS:

Model ......................................... 41-3BB
Frequency Range ....................... 40.6-41.70 MHz
*Gain .......................................... 7.69 dBi
Front to back .............................. 19 dB Typical
Beamwidth ............................... E=60°
Feed type ................................... Hair Pin Match
Feed Impedance. ....................... 50 Ohms Unbalanced
Maximum VSWR ........................ 1.5:1
Input Connector .......................... "N" Female

FEATURES:

The 41-3BB has been computer optimized from the ground up for gain and pattern covering 40.6-41.7
MHz. The original design was for the USDA / NCRS Soil Monitoring systems, but the 41-3BB can also be used for Me-
teor Scatter applications. The custom 1:1 Fairite balun and low loss hairpin match help maintain high efficiency. Ele-
ment ring clamps and other important components are CNC machined for maximum strength and electrical integrity. All
antenna hardware is stainless steel and the u-bolts for mounting are zinc plated.
M2 Antenna Systems, Inc. has well over 30 designs for Meteor Scatter applications covering from 39 MHz to 50
MHz. If you have a specific requirement, please contact us for more details.
M2 Antenna Systems, Inc. 4402 N. Selland Ave. Fresno, CA 93722
M2 Antenna Systems, Inc.
Model No: 41-3BB
*Subtract 2.14 from dBi for dBd
Tel: (559) 432-8873 Fax: (559) 432-3059 Web: www.m2inc.com
©2015 M2 Antenna Systems Incoporated
Power Handling .......................... 1.5 kW
Boom Length / Dia ...................... 107" / 2"
Maximum Element Length .......... 172"
Turning Radius: .......................... 101"
Stacking Distance ....................... N/A
Mast Size .................................... 2" Nom.
Wind area / Survival ................... 1.5 Sq. Ft. / 100 MPH
Weight / Ship Wt. ........................ 35 Lbs. / 40 Lbs.
06/09/15
Rev.00