ftdx 400

DL2NBY Contest Calendar - This site provides dates and rules of nearly 400 Amateur Radio HF contests.

Yaesu FTDX-3000 - Yaesu FT DX 3000 HF/50 MHz 100W Transceiver product page at Yaesu UK

FTDX-5000 by I0GEJ - Yaesu FTDX-5000 software updates procedure

YAESU FTDX 5000 Video Review - ARRL video review of the Yaesu FTDX-5000

FTdx5000 Filter Setup and MARS mod - Installation of the 300 Hz Roofing Filter in the Yaesu FTdx5000 and MARS modification

Yaesu FTDX5000 specifications - FTDX 5000 product page with related accessories

QST Reviews Key Measurements Summary - QST Magazine Product Reviews - Key Measurements Summary - HF-Transceivers or Receivers. Compares Yaesu FTDX5000, Elecraft K3, Flex 5000 and Kenwood TS-590S

JefaTech - Coax Cables and RF connectors, mobile antennas, cantenna supplies and kits, wifi antennas and adapters, antenna mounts, surge protectors

Codec2 - Codec2 is a open source low bit rate speech codec designed for communications quality speech at around 2400 kbit/s. Applications include low bandwidth HF/VHF digital radio.

HERALD P2P radio link design - Sw tool to design point-to-point multi-hop microwave links and networks, 400MHz to 58 GHz. Site/Hop Configuration; Customized Antenna & Radio Equipment Libraries; Link Budget; Path Profile Analysis ,clearance, reflections; import path profiles from SRTM maps, free download.

2 x 4-400A Amplifier Deck - A Class C Amplifier rebuilt with 4-400A tubes by W7IUV

The Two Module, 400 Watt RF Amplifier 80 Meters - This Class E RF amplifier will deliver up to 400 watts of RF output

A 1296MHz Amplifier - Two coupled PAs with each 2 times 2C39 deliver around 400W RF.

400 W RF Power amplifier for 144 MHz - G4DCV's 144MHz amplifier with a pair of GI-7b Russian triodes

400W VHF Linear - A 400 W 144 MHz GI7b Linear amplifier

2m 400 Watt linear using two 4CX250B  ^new - This is the classic push-pull 2m linear amplifier featured in the various RSGB handbooks, 3 W input, can produce 500W of linear pep

Sommerkamp FTDX500 Restoration - Sommerkamp FTDX500 - Yaesu FTDX400 restoration by M0DGQ

Programming Kenwood TH-4XX - Info on programming kenwood TK 430 TK 431 TK 480 481 and other similar radios

Yaesu cloning cables - Make a Yaesu cloning cable for Yaesu radios ft-847, ft-857, ft-23, ft-90 FT-1500, FT-1802, FT-2800, FT-2400, FT-2500