mode

RF Transmission Line Loss Calculator - This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator. It also gives an estimate of the mismatched loss if the mismatch is specified.

Tri-Mode Buffer Amplifier Box - The TMB-1 is an RF amplifier unit / receiving accessory that can be used with a low-impedance broadband loop, a high-impedance terminated loop (such as a Pennant, Flag, or Kaz Delta), and whip (telescoping rod) antennas.

NVIS antenna design - Theory, Modeling, and Practical Applications By W5JCK, presentation in PDF File

VP8BUG VP8BUH Falklands Isl 2009 - DX pedition from Port Stanley, Falkland Islands (SA-002) calls : VP8BUG (digi-modes) and VP8BUH (SSB) QSL only via: manager EB7DX

VU2UKR HAM Radio Station - HAM Radio India Yagi Beam CW QRP SSB QUAD DX circuits sound card Transceiver Morse HF VHF Antenna Satellites Amateur Club Station Operators Licence Exam ASOC Guide Digital Mode Equipment Transmitter Experiments Project schematics Beacon dx HAMSAT VUSAT Satellite Emergency communication Information Homebrew QRP Kits

K2NCC's YouTube Channel - Video samples of amateur radio, military, government, domestic and international data transmissions. Covering such digital modes as ACARS, CHIP, DOMINO, JT65, MT63, NAVTEX, and many more by K2NCC Frank

Which digital mode for keyboard QSO - Which digital mode should I be using for keyboard to keyboard QSOs?

D-PRS Message Calculator - This page calculates the necessary GPS message (C1 message on most Icom radios) to use your Icom radio in GPS mode (not GPS-A mode) with D-PRS.

JT6M.org - The purpose of this web site is to promote JT6M as a mode of communication on both 6M and 4M band and guide users through setting up and using JT6M effectively. Optimised for 6 metre band Meteor Scatter, JT6M allows you to make meteor scatter contacts easily. JT6M is part of the WSJT suite of digital weak signal software applications developed by Joe Taylor, K1JT

What's PSK-31 - Presentation about PSK-31 digital mode by Dave, K6AIX

Generation of Long-Delay Echoes - Different theory models to explain generation of long delayed radio echoes by D. B. Muldrew

Kenwood TS-2000X Tx Distortion fix - VE2ZAZ and distorted audio in SSB on some models prior 2006

Ten Tec Orion II Reviews - eHam users review of the Ten-Tec Orion II model

Ten-Tec Orion 9 MHz IF Output - This article describe hot extract a wideband 9 MHz IF sample signal from a Ten-Tec Orion model 565 by VE7TK

YAESU FT847 all mode cable - Yaesu FT 847 CAT cable

About GAP HF Vertical Antennas - A review on current HF Vertical antenna models offered by GAP at euro-qso

PExprt - Tool for magnetic component design and modeling. Design and modeling of magnetic components such as inductors, planar transformers and integrated magnetics used in power-electronics applications.

Digital Master 780 - Digital Master 780 is a windows freeware multi-mode program which uses Ham Radio Deluxe for radio control. Support PSK, QPSK, Contestia, CW, DominoEx, Hell, MFSK, MT63, OLIVIA, RTTY, RTTYM, THROB and SSTV. Offer Logging functions.

LoopHam Linux - Ham radio Distribution of the linux operating system that can be installed on and run from a dos system (msdos and win95/98 in dos mode) It include all AX25 ham needed packages and a small web server

HamPort - A Free windows, universal program for RIG control, can read and set mode and frequency on your transceiver. The program can control ICOM, Yaesu and Kenwood transceivers, by DXSoft

Restoring an Harris RF-103 - These amps are designed to operate from 2.0 to 30MHz continuously, at an RF power output level of 1Kw, in any mode, no time limit.

Repairing FT-101 - Repairing the YAESU Transceiver Model FT-101E.

CMOS Super Keyer - Home made keyer with 8 memories, auto spacing, adjustable speed & weighting, separate paddle and key inputs, beacon mode, positive or negative keying, fuse, extremely low power requirements, and a bullet proof housing by AA5TB

Regenerative receiver for beginners - A modern version of the classic regenrative receiver designed and built by Charles Kitchin ARRL Article

The Modern Armstrong Regenerative Receiver - Ramon Vargas Patron articel on regenerative receiver project