super regenerative recei

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.

Antentop: Loop Antennas - Article on radiation patterns of small loops, equivalent circuits of loop antenna, small loops as receiving antennas, ferrite loops

KR1ST Magnetic Loop Antenna - This receive only loop covers a frequency range of about 5 MHz to 22 MHz and is built from readily available parts.

Loop antenna for NDBs - Nondirectional Radio Beacons, NDBs, can easily by received with this loop. Resonant in the 200 – 500kHz range, the loop antenna is directional, sensitive, and quiet.

WWVB Loopstick Antenna - A loop antenna for receiving WWVB based on the Amidon R33-050-0750 Ferrite rod.

The Low Frequency Receiving Loop - The Spreaders are 3 feet, making the loop 6 feet in diameter. There are 5 spreaders so the windings can alternate from side to side. There are 30 turns of 18 gauge stranded insulated wire.

Wire receiving loop antenna - A quick and easy to build loop antenna for shortwave listeining can tune from 5 to 18 Mhz

Sensitivity of Multi Turn Receiving Loops - Magnetism is manifested as a 'field of vectors', that is, any point in the magnetic field has not only a magnitude, but a direction in space. The four Maxwell equations describe how electric and magnetic vector fields behave and interact.

Super Tee Antenna Tuner - W3TS small but effective antenna tuner

Copper Cactus Dual-Band - Copper Cactus Dual-Band Super J-Pole Antenna Project 2 meter 70 Cm Home brew antenna

The Langley Amateur Radio Club - The Langley Amateur Radio Club has been in existence since 1988 and received it's charter in 1989. It has a membership of approximately 20 active amateurs.

Malaspina College amateur radio society - VE7RME repeater is located in Nanaimo. It operates on a transmit frequency of 146.98 mhz and a receive frequency of 146.38 mhz

WB7TJD Superstition Amateur Radio Club - Superstition Amateur Radio Club: Ham Radio events and activities of the Superstition ARC include promotion of amateur radio amongst the public via licensing classes and radio communication demonstrations, on-air nets and discussion, and the December Hamfest in Mesa, Arizona

Funny QSL cards - A gallery collection of funny qsl cards received by PE2PE

Free Web Receivers from UK - Up to 3 free to tune receivers based in Bedfordshire England, Ten Tec RX320D, Yaesu FT-840 and Icom PCR-100

Listen to Radio Meteors live - Echos of USAF (Formally NAVSPASUR) radar signals reflected off of meteor trails received at Roswell, New Mexico

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.

Super Bertha - Superbertha is an aesthetic, rotating monopole, custom designed and built specifically to fit your needs. a superbertha can be designed to any height you need or desire. there are many benefits of a superbertha, versus a standard guyed tower.

Guide to Solar Activity - Paul Harden NA5N has produced a superb guide to solar activity and HF propagation for the QRPer

Natural Radio Listening: Streaming Audio - A page about fascinating Very Low Frequency and natural radio, with lots of streaming audio links from remote receivers. Some experimental stereo pairs around the world.

PlanePlotter - PlanePlotter receives and decodes live digital position reports from aircraft and plots them on a chart. Using PlanePlotter, you can see a radar-like display of all those aircraft around you that are transmitting the appropriate digital messages including ACARS, ADS-B and HFDL.

EhoCW - CW Keyer software by F8EHO keyer and decoder functions, with interfaces with emitter/Receiver, memories, variables for call sign, mp3 and wav morse conversion, direct keyboard keying, joystick or serial interface for a morse key

Simple anti-static device - With all the wire you have out, you may run into a problem with static buildup on the antennas. This static may try to make its way into your receiver, causing you major problems and damage that can run into a lot of money.

Easy bandpass filters - Quick and easy bandpass filters for receiver input by George Dobbs G3RJV

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.