best cw receiver

40 meter double bazooka antenna - A double bazooka antenna plan for the cw portion of the 40 meter band by k0ru

Helix Calculator - JavaScript Implementation Written by Fred Spinner, W0FMS

Feeding an End-Fed Antenna  ^pop - End-Fed antennas are NOT balanced systems; but neither are verticals, ground planes, discones, windoms, zepps, Marconis, half-slopers, et al. Additionally, the low-impedance antenna port of your transmitter/receiver is not balanced.

Tuning Your Antenna - Getting the best performance from your investment

Balanced Self Matching Feed Line System - KE4UYP designed this Balanced Self Matching Feed Line System for people who want the very best feed line they can have on a Monobanded antenna

What make the carolina windom so good - The off-center fed CAROLINA WINDOM provides outstanding performance on all bands. This includes all the WARC bands, 30, 17, and 12 meters.

KH2D's Tips For CW Contesting - Frequently Asked Questions About CW Contesting

The CQ DX Field Award - The CQ DX Field Award is issued in four categories—Mixed, CW, SSB, and Digital—for confirmed two-way contacts with 50 or more Grid Fields

the Quarter Century Wireless Association - Wild Rose Chapter 151 - Alberta

Fred Hammond Chapter 73 QCWA - Chapter 73 fred hammond chapter of the quarter century wireless association

W3TCW - The Tri-County CW Amateur Radio Club - The Tri-County CW ARC is located in North Huntingdon, Pennsylvania (slightly South East of Pittsburgh), USA

HB9FX Internet Remote Base JN37XH Hochwacht Zofingen Switzerland - Tune and / or listen between 10kHz - 10GHz to professional Online-Receivers as Rhode & Schwarz EK070 or AEG E1900/3, Amateur-Radio-Transceivers, Web-SDR, Digital-Modes, Repeaters, EchoLink, APRS or control Antenna-Switch-Matrix, Antenna-Tuner, SWR & PWR- Control or Web-Cams.

W3YY FSK CW PC interface - A FSK/CW PC interface that will allow a PC to key your transmitter producing either a pure FSK or CW signal

K6XX CW Indicator Kit - The purpose of this circuit is to light a LED in your radio when you tune to within +- 20hz of a cw signal. This makes for easy tuning of a cw signal by eye rather than by ear

K6DBG - CW really is a language - Some things I've discovered about learning and operating CW by Chris Kantarjiev K6DBG

DL1HQE morse key collection - A large photo gallery of telegraph keys collected by DL1HQE

A basic CW operating manual - Compiled by Dan Stegner KC0OBU from FISTS CW Club member tips, amateur radio morse code procedures

mikroElektronika books : Radio receivers - Radio Receivers, from crystal set to stereo, free online ebook including, principles of radio transmission, direct radio receivers and superheterodyne receivers

S Meter Lite Software - S Meter Lite is a no-cost program that displays your receiver's S Meter signal strength in a window by W8WWV

ZS1I beacon keyer - This article describes a simple programmable Morse Code Continuous Wave (CW) beacon keyer for HF, VHF, ARDF and tracking beacons

500 KHz Low Pass Filter - This article describes a shielded low pass filter with a cut off frequency of about 500 KHz. It is built with components suitable for receiving, and was designed to use in front of a low frequency receiver for LOWFER work.

Chatterbox Transmitter and Receiver - 160 meters transmitter and receiver by G3NGD

FM Morse Code Keyer - A simple circuit which will generate a 700 Hz tone into any FM transceiver allowing an amateur to practice CW with another amateur on a 2 meter simplex frequency.

500mw CW Transmitter - A very quick and easy way to get on the air is to build a "Michigan Mighty Mite" CW transmitter for 160, 80, 40 or 30 meters. It can't get simpler than this. It has very few parts, costs almost nothing, and it works! Cost estimate $10 by VE6WTF

Restoring an RF Signal Generator - This signal generator is intended for realignment of radio receivers