DDF1 • 2
RAMSEY TRANSMITTER KITS
• The “Cube” MicroStation Transmitter
• FM25B Synthesized FM Stereo Transmitter
• FM100B “Professional Quality” Stereo FM Transmitter
• AM1, AM25 AM Transmitters
RAMSEY RECEIVER KITS
• FR1 FM Broadcast Receiver
• AR1 Aircraft Band Receiver
• SR1 Shortwave Receiver
• AA7 Active Antenna
• SC1 Shortwave Converter
RAMSEY HOBBY KITS
• SG7 Personal Speed Radar
• SS70A Speech Scrambler
• MX Series High Performance Mixer
• MD3 Microwave Motion Detector
• PICPRO Pic Chip Programmer
• LC1 Inductance-Capacitance Meter
RAMSEY AMATEUR RADIO KITS
• DDF1 Doppler Direction Finder
• HR Series HF All Mode Receivers
• QRP Series HF CW Transmitters
• CW7 CW Keyer
• CPO3 Code Practice Oscillator
• QRP Power Amplifiers
RAMSEY MINI-KITS
Many other kits are available for hobby, school, Scouts and just plain FUN. New
kits are always under development. Write or call for our free Ramsey catalog.
DDF1 DOPPLER RADIO DIRECTION FINDER KIT INSTRUCTION MANUAL
Ramsey Electronics publication No. MDDF1 Revision 1.2
First printing: May, 1999
COPYRIGHT
1998 by Ramsey Electronics, Inc. 590 Fishers Station Drive, Victor, New York
14564. All rights reserved. No portion of this publication may be copied or duplicated without the
written permission of Ramsey Electronics, Inc. Printed in the United States of America.
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