icon 31 review

The Bazooka Antenna - Notes on bazooka antennas by Katunk: a portable field antenna, sometimes called the double bazooka or a coaxial antenna.

Effects of VSWR on Transmitted Power - By James G. Lee, W6VAT

G5RV antenna - Review by G3TXQ and comparison to its modificated versions. SWR Measurements on inverted V setup and comparison from EZNEC model and a real one.

CQ amateur radio - W5GI Mystery antenna - Review of the W5GI Multiband Mystery Antenna by July 2003 Issue of CQ Amateur Radio

W8JI Antenna Towers - 318 and 200 ft insulated towers

SardineCanAntenna - Seattle Wireless  ^updated - Sardine Can Antenna. is a BiQuad or Bi circle - wire length each side (8 x 1/4 waves ) 31 mm

1TA157 Using PSK31 on cb band - CB band in Italy using latest digital modes

K5QE VHF and Up Contest Site - VHF + multi-multi contest station from EM31 in East Texas

A beginner's guide to RTTY contests - A pdf file with review of RTTY contests software available on the net and information on how to operate a RTTY Contest, by RSGB.

VK3DK dx-pedition to Gabo Island - Dxpedition to gabo island, australia, sept 2001 OC-196, ARLHS# aus-078, WLH No: 1031

GB3LO Lowestoft amateur radio repeaters - GB3LO Live Lowestoft and the East Coasts Amateur Television Repeater on 23cm 1316.00 MHz

I-LinkBoards.com - Echolink, EQSO, Echostation, SSTV, WEFAX, PSK-31 other digital sound card modes

PSKMeter - KF6VSG pskmeter page, describing the hardware, software and firmware for a monitoring device for psk31 transceivers that automatically maintains the sound card level to give maximum drive to the transmitter without introducing distortion.

PSK31 Frequencies - HF VHF UHF PSK31 proposed frequencies

Adjusting Filters for PSK31 - Screen shots of what happens when you do and don't get it right. By Dick Stevens, N1RCT, a very clear, helpfull and comprehensive document.

WM2U's PSK31 Page - An interesting article on PSK31, includes informations on interfacing to sound cards, troubleshouting, list of psk31 softwares and some historic backgrounds.

All American - Distributor of electronic components, ull range of semiconductors (active components), including relays, circuit breakers, transistors, diodes, memory devices, microprocessors, microcontrollers, and other integrated cuircuits, as well as passive components, such as capacitors, resistors, inductors, and electromechanical products, including cable, switches, connectors, filters, and sockets.

RX-PSK31 - Easy to use Audio Spectrum- and PSK31 decoding program specially designed for SWL's who don't need TX or for anyone who just like to monitor PSK31 or analyse signals. Adjustable DSP and Spectrum settings for audio and frequency spectrum analasys or to set it for best decoding of PSK31 signals. By ON6MU

Lan Link for Windows - Lan Link for Windows by G3ZCZ, Internet interface to CXCluster, Controls PK-232, PK-900, PK-88, KAM, KPC-3, MFJ1278, and TNC2, PSK31 via the sound card in the PC, eQSL interface

gMFSK - Linux free multimode HF terminal program. Despite the name, gMFSK can send and receive many digital conversational modes typically used by radio amateurs on HF. Supported modes are: MFSK (MFSK16 and MFSK8) RTTY THROB (1, 2 and 4 throbs/sec) PSK31 (BPSK and QPSK) PSK63 MT63 Feldhell

Base-Station RF Power-Amplifier Biasing - Power amplifiers used in base stations require biasing for proper RF performance. This article explains the two classes of biasing that are prevalent in the RF industry, analyzes their characteristics, and shows implementations with existing ICs.

YU1AW 2m PA - GI-7B, GS-31B & GS-35B power amps, 144 MHz QRO

The Great Battery Shootout - Review of the great battery shootout

A battery review for the IC-R10 - Review of the icom ic-r10

DigChip IC database - Provider of electronic components documentation. Offer a reliable tool to find semiconductors components technical information like parts, datasheets, cross reference, obsolete and new circuits.