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NMØS Ozark Patrol
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Ozark Patrol
Simple Regen Receiver
Designed by David Cripe, NMØS
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Kitted and Offered For Sale By The Four State QRP Group
Introduced at OzarkCon 2014, this kit was designed in homage to simple beginners
regenerative receivers of a generation ago. Many current hams and radio
enthusiasts were introduced to the hobby by building and listening to such
classics as the Radio Shack Globe patrol, or the Knight Ocean Hopper.
It has been many years since there has been a simple shortwave receiver kit
on the market, so the Ozark Patrol is offered so that the builder of today
can relive the excitement of tuning in the world on a simple receiver circuit.
The Ozark Patrol circuit is a two-band shortwave receiver, using only three
NPN transistors in its circuit. It employs a reflexed regenerative detector
to maximize gain from its simple design, followed by a two-transistor audio amp. It is capable of operating from a simple wire antenna.
This kit features a pre-drilled and silkscreened circuit board front panel
with a total of 38 through-hole components mounted on pads etched on the
opposite side. Component values and reference numbers are silk screened by each part location
for fool-proof assembly. This style of PC board was invented in 2003 by our own Joe Porter, WØMQY as an
optional board for the NJQRP RF Sniffer, a field strength meter designed by
Joe Everhart N2CX.
Click here for a picture of that board
Since WØMQY lives in Pittsburg, KS, the board design was dubbed the "Pittsburg" style.
NMØS has previously
employed silk screened panels in the
Cyclone
QRPometer
and the
4S-Link.
Refer to the
Ozark Patrol photo page
for more details.
First time builders please note: With a very low part
count and the Pittsburg style pc board, this kit
is easy to build. There are NO SMT parts, and
the components are widely spaced on the board.
Specifications and Design Features
Frequency Range: 3.5-15 MHz in two bands
Sensitivity: Yes!
Power Supply: 6 x AA batteries
Audio Output: A 2.6" speaker is included, as well as a jack for 1/8" stereo headphones
Documentation
Assembly Manual
Schematic
Parts List
Photopage
K9PL's Review in the K9YA Telegraph (posted here with permission) Thank you Philip.
Electronics 2000's Excellent Capacitor Identification Page Posted with permission.
Electronics 2000's Excellent Resistor Code Graphic calculator Posted with permission.
Ordering Information: ... The cost of
this kit is $44 plus shipping. The Paypal buttons below include shipping.
Note we have tried to keep the cost down on this kit but parts and shipping have increased substanially
so we need to raise the price to $55 USD shipped to US buyers.
DX Buyers - DX shipping has become extremely volatile. We have suspended all non_US orders as a result.
If paying by check or money order (US dollars only) please make it out to "Four State QRP Group" and send to:
Four State QRP Group
Ron Potter AG1P
PO Box 1117
Fernley, NV 89408
NOTE TO CANADIAN PURCHASERS:
Due to high bank processing fees, we can no longer accept Canadian Money Orders.
The Ozark Patrol is carefully kitted and shipped by Ted Mead.
Please direct shipping, kit, and part related questions to Ted
All proceeds are applied toward funding OzarkCon. Thank you for supporting The Four State QRP Group.
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© Copyright 2006....2023 - Four State QRP Group
The files
and images on this site unless otherwise noted are copyright by
the
Four State QRP Group and may not be published or used without
permission.
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