50 ohm attenuator

Multiband wire antennas and ATUs  ^pop - DC1YB experience on multiband wire antennas. In particular examine FD4 windom and G5RV antenna, considering noise levels and matching aspects. Author reviews also the usage of Automatic antenna tuners in TS-50 TS-480 and GC-3000

4 el yagi for 50 Mhz - The EF0604S a 4 elements yagi antenna plan for six meters band by YU7EF

Loop for 50 Mhz - A quick 50 mhz loop antenna construction details

Dual Band J Pole - Dual band J pole operational over the entire 6Mtr band (50 – 54MHz) and the entire 2Mtr band (144 – 148MHz), slightly favouring the upper half of both bands by VK6YSF

HB9AGD Magnetic Loop - Pictures and antenna plan of a magneti loop antenna working in the range 6.650 7.250 Mhz in french

W6YX - Stanford Amateur Radio Club - The Stanford Amateur Radio Club (W6YX) consists of about 50 students, staff, faculty, alumni, and community members

ASVARO - Association of Silicon Valley Amateur Radio Organizations. ASVARO is a California non-profit public benefit educational corporation (501(c)(3)) dedicated to supporting amateur radio for education and public service. Located in the Silicon Valley of California

50 MHz and Up Group of Northern California - A non-profit public service and educational amateur radio organization specializing in advanced and experimental microwave communications.

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

Tamiami Amateur Radio Club - The Tamiami Amateur Radio club was organized almost 50 years ago to serve the Venice and surrounding area with emergency communications.

W4RYZ Panama City Amateur Radio Club - Founded in the 1950s, the Panama City Amateur Radio Club is a warm, relaxing haven for Bay County amateur radio operators to meet, chat, and eyeball folk they talk to on simplex and local repeaters during the week.

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.

Two Kenwood TS850 modifications - Here are two simple modifications / repairs for the Kenwood TS850 HF transceiver, dual receiver mod, and battery pack replacement

Mod to allow separate RX and TX Antennas - This modification will allow the use of separate receive and transmit antennas on the Kenwood TS-850S/AT.

The Kenwood TS-850S 13 Years Later - Must modern HF transceivers be treated as black box appliances? VE1FA doesn’t think so, and his experience with the Kenwood TS-850SAT bears him out.

TK-150 - tk150 experimental Software for the Standard VR-150 Receiver

HI-FI Audio with Kenwood TS-850SAT - Setup guide for DSP-100 and TS-850

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!

DC to DC (12 to 24 V) Voltage Converter - This page describes a DC to DC voltage converter, pretty simple, for currents up to 500 mA by sv1bsx

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