50 dummy load

The Lazy-H vertical antenna - A versatile antenna for dx work

160 Meter Vertical - This is a 90 foot tall top loaded vertical for 160 meters. It is constructed from aluminum irrigation tubing and has four sets of four guys each by w7iuv

The zeppelin antenna for 50 Mhz - A end fed antenna used on the big zeppelin airships (thus the name ZEPPELIN antenna) of the 1930's where the wire trailed behind the dirigible.

Top Loaded Portable Vertical - A 3.5 Mhz top loaded vertical antenna built using 2 elevated radials by DJ9RB

Loaded Vertical for 80 Meters - Another version of the DJ8RB loaded vertical antenna

Dipole Calculation - Determining your proper length for the open half-wave dipole antenna

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

Magnetic antenna fo ULF - Detection and recording of Schumann resonances and other electromagnetic phenomena at frequencies below 50 Hz By Hans Michlmayr

Loop Antenna Basics - Loop Antenna Basics and Regulatory Compliance for Short-Range Radio

6 Element Yagi for 432 Mhz  ^updated - U6YRN 6 element yagi antenna for 430-450 Mhz in spanish

KN2MET NYC Metro - NYC METRO is a not for profit 501(c)(3) publicly supported organization, supporting the Amateur Radio Communities Emergency Services.

US HF Amateur Bands - US ham radio band plan in pdf available for download and print

W1ORS Stratford Amateur Radio Club - Serving the Community and Amateur Radio for over 50 Years

W1RJA North East Weak Signal Group - Our group is the North East Weak Signal Group. We are an ARRL affiliated regional club dedicated to the interests of "weak signal" work on the bands 50 MHz -

MT. Tom Amateur Repeater - A Massachusetts Non-Profit 501-C(3) corporation of amateur radio operators chartered in 1978 covering the Connecticut River Valley in Western Massachusetts and Northern Connecticut.

W2ZQ Delaware Valley Radio Association - The Delaware Valley Radio Association is a non-profit 501(c)(3) organization devoted to the promotion and preservation of the amateur radio hobby. The club is comprised of amateur radio operators and their families.

W2YD Morris Radio Club - The Morris Radio Club, established over 50 years ago, is a general interest club that promotes all Amateur Radio activities.

Tompkins County Amateur Radio Club - The Tompkins County Amateur Radio Club AF2AA is the present-day incarnation of the original Ithaca Mike and Key Club, started in the 1950's.

Clear Lake Amateur Radio Club - CLARC was founded in 1987 as an ARRL Special Services Club and is an IRS 501(c)3 not-for-profit organization serving the NASA/Clear Lake area of Houston, Texas.

BIP Electronics Lab Oscilloscope - Freeware windows oscilloscope uses the sound card's input to measure signals. This means that the quality of the scope depends on the quality of your sound card. The scope automatically uses the highest sample frequency available at the input that you select

FreeSCAN - Freeware windows program for programming the Uniden SC230, BC246T, BC330T, BCD396, BC15T and BCD996T scanners. FreeSCAN allows to download and uploading programming, remote control the scanner, log hits, and supports printing out of systems and groups.

SweepGen - SweepGen turns a PC into an Audio Oscillator and Sweep Generator which can be used for testing audio or educational purposes. In conjunction with audio test instruments, you can make frequency response plots. SweepGen uses the sound card in your PC to produce sinewaves

Sine Wave Generator - Freeware windows Wave Generator use the sound card's output as sine wave output. A built in sweep algorithm is used by audio hackers to measure frequency repsonses of their amplifiers

Clean Up Your Signals with Band-Pass Filters - These inexpensive, easily built filters can be the buffer you need between the signals you want to hear and send and those you don’t!

TenTec 1208CY 10 .. 50 MHz Transverter - A well-known transverter modified for 10 MHz IF (for Softrock interface use) by DF9CY