QSO Today - Dr. Ulrich Rohde, N1UL

Dr. Ulrich Rohde, N1UL, is a pioneer in RF oscillator and receiver design. Over the last 40 years, N1UL has authored over 60 articles for QST and QEX magazines, in addition to books, academic papers, and articles. Dr. Rohde has made significant scientific contributions to his family business, the Munich based Rohde and Schwarz test equipment company, and to amateur radio manufacturers including Icom. Ulrich, N1UL tells his ham radio story in this QSO Today.

Antenna

Introduction into Theory of Direction Finding

July 27, 2016 No comments

Introduction Applications of direction finding While direction finding for navigation purposes (referred to as cooperative direction finding) is becom... Read more

80m & 40m DUAL BAND HOMEBREW 2 EL SHORT BOOM YAGI by VE6WZ

January 21, 2015 No comments

“The VE6WZ QTH is a small city lot, so achieving gain on 80m has been difficult. A vertical 4 sq. wire array was considered but would h... Read more

Inac AH-1430 (20, 17, 15, 12, 10 m band) – Antenna

December 14, 2014 No comments

AH-521, is a halo antenna of small size but high performance. Supports an RF level between 140 and 210 W. Covers bands used between 12 and 30 M... Read more

How To Orientat A Beam Antenna– Beam Headings

September 13, 2016 No comments

Here’s a link to find your declination: http://www.ngdc.noaa.gov/geomag-web/ Request an Azimuthal Map by NS6T Read more

New Book: Receiving Antennas for the Radio Amateur is Now Shipping!

March 16, 2018 No comments

ncrease your station’s receive performance with new book Receiving Antennas for the Radio Amateur by ARRL author Eric P. Nichols, KL7AJ. Althou... Read more

News

EME SSTV Lunar Landing Commemorative Event Set

July 19, 2019 No comments

Moonbounce enthusiasts are invited to take part in a commemorative Earth-Moon-Earth (EME) slow-scan television (SSTV) party on 23 centimeters, marking... Read more

Centenarian Radio Amateur’s Efforts Helped Pave the Way to the Moon

July 18, 2019 No comments

The Nashville Tennessean newspaper recently featured the story of a 104-year-old ARRL member who contributed to NASA’s effort to put the first humans... Read more

Award for Top Homebrew Designers in Amateur Radio Announced

July 17, 2019 No comments

The ICQ Podcast has announced a partnership to establish an annual “Homebrew Heroes Award” to recognize individuals, groups, or organizations that hel... Read more

Major WSJT-X Upgrade Boosts FT4 into “a Finished Protocol for HF Contesting”

July 16, 2019 No comments

The WSJT Development Group has announced the “general availability” release of WSJT-X version 2.1.0. This major upgrade formally introduces FT4 as a f... Read more

International Telecommunication Union Accepts EURAO as a Sector Member

July 16, 2019 No comments

The International Telecommunication Union (ITU) accepted the European Radio Amateurs’ Organization (EURAO) as a sector member at the recent meeting of... Read more

Equipment

EXTRAFLEX BURY /.400″ – Low loss Coax Cable

July 12, 2019 No comments

EXTRAFLEX BURY /.400″ [10,3 mm / 0,405 inches Cable] WHY CHOOSE THIS CABLE: – The only 10,3mm coax that can be use bo... Read more

Ultra-compact transceiver Lab599 Discovery TX-500

July 07, 2019 No comments

The Lab599 Discovery covers 160-6 meters, all modes, with a maximum power output of 10 W. It comes with true desktop-radio features, like auto-notch,... Read more

Compact In-Line stereo DSP noise cancelling module -BHI

June 30, 2019 No comments

Compact In-Line stereo DSP noise cancelling module £179.95 Net Price (ex VAT) £ 149.96 Add to Cart Compact In-Line 0.270 kg Weight: A-COMPACT IN-LINE... Read more

Commradio CR-1a Receiver [ Video ]

June 27, 2019 No comments

1A2R – connect two radios to one amplifier [ 4O3A ]

June 26, 2019 No comments

A2R is a switch with the capability to share one amplifier between two radios. If you have a Solid State amplifier with fast band switching, it can up... Read more

Digital Modes

New Summer EURAO Party to Premier FT4

July 18, 2019 No comments

The motto of the new European Radio Amateurs’ Organization (EURAO https://www.eurao.org/) Summer Party https://www.eurao.org/en/node/1045 is... Read more

Prof Dr Joe Taylor, K1JT: Welcome Address and Questions & Answers

July 04, 2019 No comments

World Wide Digi DX Contest

June 29, 2019 No comments

The World Wide Radio Operators Foundation (“WWROF”), in collaboration with the Slovenia Contest Club (“SCC”), is pleased to announce the first annual... Read more

LoTW Now Accepting FT4 Contact

May 23, 2019 No comments

The latest TQSL update (Config.xml version 11.8), released on May 22, includes FT4 as a submode of MFSK. It also adds AISAT-1 and PO-101 in the satell... Read more