Database of QSL Managers — Master Database for contest programs TR4W and TRlog — Maps & Lists — Overview of Solid State Power Amplifiers — Antenna Models (NEC, EZNEC, MMANA) — Gerber PCB data of many of the designs described here — Catalog Sheets of components and elements that are […]
NCDXF Press Release In April 2021, NCDXF announced the creation of an award – “The DXcellence Award”– to be awarded to the outstanding DXpedition of the last 12 months, which received funding from NCDXF. The award is intended to recognize excellence in a DXpedition, exemplified by practices, ethics, management, transparency, […]
Chip SMD capaacitors can be marked with EIA 198 two digit code to show the capacitance of the part. Chip sizes 0805 to 3333 are usually marked using laser or ink printer. The system does not degrade the ceramic surface or induce microcrack in the part. If a part has […]
This map is a scalable vector graphics drawing. Scale 1:35,000,000, Robinson Projection, standard parallels 38 deg N and 38 deg S. Two formats available – a SVG vector graphics and a high resolution PNG bitmap format in 600 DPI resolution.
L. B. Cebik, W4RNL passed away in April, 2008. He maintained a Web site, www.cebik.com, a virtual treasure trove to anyone interested in antennas. Besides a few notes on the history of radio work and other bits that Cebik called “semi-technical oddities,” the collection contains information of interest to radio […]
The membership files are used for tracking members of a club or stations to be collected for an award. CQRLOG supports tracking of numerous club memberships using internal files which are part of the installation. You can choose 5 clubs from this list which can be tracked simultaneously, providing the […]
Volume 1 – (published 1985) Volume 2 – (published 1989) Volume 3 – (published 1992) Volume 4 – (published 1995) Volume 5 – (published 1996) Volume 6 – (published 1999) Volume 7 – (published 2002)
by Tom Alderman, W4BQF QRQ = FUN = QRQ CW is for REAL HAMS! Quite often I am asked “How can you copy CW at 70 wpm and higher?” Since it’s pretty insulting just to answer by saying “Practice, practice, practice”, I normally wind up emailing back a synopsis on […]
Chinese traders have the worst reputation in the world. One trader is able to sell shoes, garden furniture and special electronics at the same time and does not understand any of it. His goal is to earn at all costs and does not shy away from robbing the customer in any way. Brands are often counterfeited, inappropriate, simplified technologies are used, and the use of inferior components and materials is common. The trader is not interested in the value of the product, the product is only taken as a means to make a profit. The Chinese trader does not respect or know European trade rules, apparently unable to understand that a European is not interested in cheaper goods if it means lower quality. If an European wants to save, he will reach for a simpler model with fewer options, but only if even the simpler model meets the basic requirements for functionality and is made of quality components. The rule "we are not rich enough to afford cheap things" always applies.