w2ihy noise gate constru

14elem. 144MHz OWA EME Yagi - Simply a superb 50Ohm 2m Yagi with excellent bandwidth and most important, low noise.

2 meter jpole antenna - A two meters J-Pole antenna project

6M Moxon - 50 MHZ Moxon antenna based on the KG4JJH design with some slight modifications in the construction

G4JUV Gate Spring Dipole - This is an 80 metre dipole that fits in a small spac

Helix Antenna - Helix antenna design and construction details

2 Meter Turnstile Antenna - Here are construction plans of a Turnstile antenna that I use for space communication on the 2 meter amateur radio band.

Construction Principles for UHF VHF Yagis - The Construction Principles for Duoband-Yagis 2m/70cm by DK7ZB

20 Foot Tower Construction  ^updated - Construction of a 4 legged 20 foot Tower at vk5sw

23cm double bi-quad - Construction of a 23cm double bi-quad antenna

W7PX Hellgate Amateur Radio Club - Hellgate Amateur Radio Club W7PX - Missoula Montana

RF Noise Powerstroke Diesel - Reducing and removing RFI Noise

Audio CW Filter - A very effective AF Adaptor, with built-in noise blanker and 30 Hz CW filter modules by PA0LQ

RTTY Basics - Introduction to RTTY by G3LDI

Kenwood TS-850 Noise Blanker Mod - Reduces line noise on TS-850

Nuxcom.de - Antenna parts for self construction, especially for VHF and UHF Yagis designed by Martin Steyer, DK7ZB, coax cables, connectors, aluminium tubes-

Spikes CB Radios - A full service sales & repair shop, sell a wide range of cb radios, scanners, antennas, mounts, echo, noise toys and a wide range of accessories. Atkinson, IL USA

APRS Messenger program - APRS over digimodes including PSK, QPSK and GMSK with digipeating and two way HF internet gateway to the APRS-IS

SDR Navigator for Winrad - The SDR Navigator is a program which works as a layer between Winrad and your EXT I/O HW DLL (Softrock, PMSDR, Elektor SDR,..). The SDR Navigator gives the user some useful functionalities to quick navigate with Winrad by HB9FBD

Bose Headphone Mod - Adding a boom mike to Bose Quiet Comfort (QC-1) noise-cancelling headphones

Programmable 50 MHz Counter - The frequency counter described here was built up using the "sandwich" construction and uses low cost components

Navigate FlexRadio Pan Adapter - How to navigate FlexRadio PowerSDRs Pan Adapter

Improving Receiver Noise on 50 MHz - Tests on a preamplifier for 50 MHz installed right at the feedpoint of the antenna.

Bartling RX-40 Receiver - Circuit Diagram and Construction of the Bartling RX-40 Joachim Münch DF4ZS

Simple Regen Radio for Beginners - The Regen Shortwave Receiver using Manhattan-style ugly construction techniques.

K6BJ UHF Repeater Construction Log - K6BJ UHF MSF5000 Repeater Construction Log