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35 Articles

AUGUST CARLINVILLE, ILLINOIS — The MACOUPIN, OKAW VALLEY, MONTGOMERY AND SANG-AMON RADIO CLUBS will hold their West Central Illinois Hamfest from 7:00 a.m. to 12:00 p.m. on Saturday August 5 at the Macoupin County Fairgrounds, 21249 Illinois Route 4. Contact: James Pitchford, N9LQF. Website: . Email: . Phone: (217) 670-5777. Talk-in 444.250 / 103.5 K9MCE Repeater System. VE testing. CENTRAL CITY, IOWA — The CEDAR VALLEY AMATEUR RADIO CLUB will hold its Cedar Valley ARC Hamfest from 8:00 a.m. to 5:00 p.m. on Saturday August 5 at the Linn County Fair Grounds, 201 Central City Rd. Contact: David Cripe, NMØS. Website: . Email: . Phone: (319) 651-5879. Talk-in 146.735/192.8. VE testing. ELKHART, INDIANA — The NORTHERN INDIANA K9DEW REPEATER NETWORK will hold the Elkhart East Hamfest from 9:00 a.m. to…

FCC Considering Proposal for New Commercial Use of HF Bands As traditional users of the shortwave spectrum move their operations to satellites and the internet, a group of businesses in the financial sector is seeking to use HF for high-speed, high-power data transmissions. The ARRL reports that the “Shortwave Modernization Coalition” has petitioned the FCC for use of multiple frequencies between 2 and 25 MHz with power authorizations up to 20 kilowatts. While Newsline reports that the FCC says that the proposed uses would not impact spectrum used exclusively by amateur radio, maritime or aeronautical services, the ARRL points out that some requested frequencies are immediately adjacent to amateur bands, which could be affected by high-power digital signals. Comments were due by July 31, with reply comments open until August…

zero bias: a cq editorial

I’m writing this just after the 4th of July, when it’s even more common than usual to hear people say “thank you for your service” to just about anybody in a uniform. This is great, of course, as long as it’s sincere and not just a cliché, but that’s a topic for another day and perhaps another forum. For this forum, though, it brings to mind the fact that there are more ways to serve one’s country and community than with a gun (or a firehose). We hams illustrate that fact every day, and we are always happy to highlight examples of that service here in CQ. The most common form of amateur radio community service that comes to mind is providing public service and emergency communications, something we have…

Once again, the Dayton Hamvention® Youth Forum highlighted the accomplishments of young radio amateurs. This year, there were six presenters (see Photo A) describing their involvement in various ham radio activities and events. The forum coordinator, as always, was Carole Perry, WB2MGP, who also presented the 11th annual “Young Ham Lends a Hand” award to 16-year-old Bernadette Wagner, KE8LWO (Photo B), and Kees VanOosbree, WØAAE, age 19. The award recognizes young hams who have “given back” in some way to their community, school, neighbors handicapped individuals, seniors, or to military personnel in need of assistance. According to Carole, Bernadette’s dedication to recruiting other young people into ham radio, her involvement her local ham radio club, volunteering with the scouting community, her commitment to community service through her church, and her…

The 2023 Field Day Experience for a University Amateur Radio Club

The Case Amateur Radio Club, W8EDU, of Case Western Reserve University in Ohio held its annual ARRL Field Day exercise at the university farm’s Pink Pig meeting house. The Pink Pig was indeed the farm’s pig barn back in the day; it’s now a pleasant if rustic gathering place with a large lawn and some quite high trees. Porky’s sty has been transformed into hams’ radio hangout, as it were. Planning meetings began in January and then in earnest in April; we reviewed last year’s debriefing notes, checked on last minute purchases, and assigned tasks. W8EDU does not target “winning” the contest, but we very much do have the goal at Field Day and at all of our events to have high engagement, happy attendees, good food, and fun operating.…

The 2023 Field Day Experience for a University Amateur Radio Club

Indian Ham Club Supports College Fox Hunt – A Great Success!

The G.S. Moze College of Engineering, Balewadi, Pune, India, in association with Pune Hams VU2RCP (the Amateur Radio Club of Pune) successfully held its Fox Hunt event this past March (Photo A) as part of the school’s annual national level technical symposium, Technobash 2023. There were several events under Technobash 2023, including Roborace, blind coding, and more, but most of the entries from students were received for the foxhunt event (Photo B). Over 160 students from across the college participated in the event, making it a great success. Preparation for Fox Hunt started with a Yagi-Uda antenna workshop a week before the event (Photo C). Commodore Ashish Saxena, VU2ANM, provided instruction about the Yagi antenna in theory as well as a practical demo on the subject. Students were excited to…

Indian Ham Club Supports College Fox Hunt – A Great Success!

Kees Van Oosbree, WØAAE, Named 2023 Amateur Radio Newsline Young Ham of the Year

Nineteen-year-old Kees Van Oosbree, WØAAE, of Maple Grove, Minnesota, has been selected as the 2023 Bill Pasternak, WA6ITF, Memorial Amateur Radio Newsline Young Ham of the Year. Kees was honored for his leadership in helping other young amateurs through the Youth on the Air (YOTA)-Americas program and the Remote Ham Radio Youth Network. A visit to a museum with an amateur radio station at age 12 sparked his interest in becoming a ham, Van Oosbree told Newsline. Studying on his own, he quickly earned his Technician and General Class licenses, then joined the Minnesota Wireless Association and developed his interest in contesting. “HF was my life,” Kees said. “Contesting is pretty much my main thing in amateur radio although I do branch out and do other things.” A visit to…

Kees Van Oosbree, WØAAE, Named 2023 Amateur Radio Newsline Young Ham of the Year

Results of the 2023 CQ World Wide 160-Meter Contest

The 2023 CQ 160 CW Contest, along with all other amateur contests, suffered this year from the Ukraine/Russia war. Log participation was way down as well, and this is due partially to the approaching solar maximum in Cycle 25 as well as the war. Traditionally, we are now charting the log activity from prior years; this will be shown below. Participation was down slightly from 2022, and only nine stations were able to break 1 million points, which was down from 13 stations last year. SSB conditions were depressed again, similar to 2022. The highest score was from I5JVA, with 446K. Below is a comparison of logs submitted since 2015, with the peak year being in 2021. CW Results Conditions had the typical high sunspot signature, with high absorption for…

Results of the 2023 CQ World Wide 160-Meter Contest

Announcing: 75th CQ World Wide DX Contest

Join nearly 40,000 participants from over 200 DX entities and all 40 CQ Zones in the world’s largest DX contest. The CQ World Wide DX Contest (CQ WW) offers 48 hours of non-stop DX-chasing fun with activity taking place from virtually every part of the world! Whether you are competing for awards, looking for a few new bandcountries, or simply filling up your logbook, the CQ WW offers something for everyone. Check out the Classic and Rookie Overlay categories for even more chances to enjoy ham radio’s premier operating event! Or, perhaps the rapidly growing Youth and Explorer Overlays may be for you! Regardless of your entry class, the bands magically light up in the CQWW with activity levels that are unlike any other radio competition. Some Contest Basics Each…

CQ ’s World-Wide DX Contest

CQ CLASSIC: CQWW at 75: The First CQ World Wide DX Contest Announcement, August 1948 This fall marks the 75th anniversary of the CQ World Wide DX Contest, long the world’s most popular amateur radio contest and, by some reckonings, the largest participation sporting event anywhere. This year’s CQWW contest announcement is elsewhere in this issue. For this month’s “CQ Classic,” we take a look back exactly 75 years, to the August 1948 issue, and the first CQWW announcement. While the rules back then were much shorter and simpler (remote operations over the internet were not an issue in 1948!), the basic structure of the contest has been remarkably consistent over three-quarters of a century! Here’s a look at how it all started out… THE EDITORS OF CQ announce the forthcoming…

CQ ’s World-Wide DX Contest

WORLD — WIDE DX CONTEST RULES

1. Contest Period: 0200 GM T October 30 to 0200 GMT November 1 for phone and 0200 GM T November 6 to 0200 GM T November 8 for c.w. (See time chart for local times and dates.) 2. Bands: The contest activity will be confined to four bands, 3.5, 7,1 4, and 27-28 mc amateur bands. 3. Divisions and Sections: The competition will be divided into two divisions, c-w and phone. Each of these two divisions will be divided into two sections, the one-operator and more-than-one-operator section. Thus, there will be: (1) one-operator c-w section, and (2) more-than-one-operator c-w section; (3) one-operator phone section, and (4) morethanone-operator phone section. Stations in each section will compete for awards only with others in the same section. C-W stations must work c-w stations,…

The DK6ED Double Loop (Version 3)

Separate receive antennas can be very helpful on the low bands as they can be designed to limit noise pickup. But antenna design programs such as EZNEC are focused on transmit antennas and these limitations must be accounted for in designing receive-only antennas. DK6ED shows us how he compensated for the program’s shortcomings in a redesign of his double loop antenna for 160, 80 and 60 meters. Resistive terminated loops are my favorite receive antennas for the low bands. They are broadbanded and need no retuning when changing bands. The have a good front/back ratio, so local noise sources can be notched easily. I designed them using EZNEC, but with most of the antennas there was a major difference between the simulation results and the radiation pattern experienced from the…

The DK6ED Double Loop (Version 3)

On the Cover – August 2023

A grand slam for SLAMS? Harry Haeusser, WAØCNS, of the St. Louis Area Microwave Society, or SLAMS, operated the ARRL June VHF Contest from EM48 in High Ridge, Missouri, using a new multiband microwave station built around the Analog Devices ADALM-PLUTO software defined radio and a Raspberry Pi computer. His fellow club members, Herbert Ullman, AF4JF, and CQ Learning Curve editor Ron Ochu, KOØZ, were about 40 miles away in EM49, so they could all work each other for points and multipliers, along with anyone else they could hear on the VHF+ bands. The ADALM-PLUTO is described as an “active learning module for students, hobbyists and educators” wanting to learn more about UHF and microwave communications. The unit covers 325 MHz to 3.8 GHz, but if you look closely at…

On the Cover – August 2023

An Inverted Vee for 80 Meters with Integrated Tuning

Antennas for 80 meters rarely cover the full band with low SWR, including full-size dipoles, inverted vees, and verticals. Many solutions to this problem are used by hams, including desktop manual and automatic antenna tuners, remote antenna tuners, antenna broad-banding techniques such as cage dipoles, manual adjustments such as adding/removing pieces of wire to shift antenna resonance within the band, and other techniques. SWR and antenna efficiency/performance are not tightly coupled and good antenna performance with high SWR is possible, while poor antenna performance with low SWR is also possible. But low SWR (an impedance-matched system) can be important for safe and efficient operation of transmitters and amplifiers. Low SWR also minimizes coax cable transmission loss. For high power operation, a matched impedance system at 50 ohms results in operating…

An Inverted Vee for 80 Meters with Integrated Tuning

The World’s Great Literature … in Morse Code!

In this article I will attempt to give an account of my CW trainer in all its shameless excess. The “Mother of All Keyers“ (MOAK, for short; Photo A) is now capable of conversing in Morse, not in the way an advanced modern chatbot would converse, but let’s be candid, an exchange of signal reports is not exactly a fluid conversation, either! No matter, if conversation becomes too stilted, or if you need something to help you sleep, the MOAK will read to you from a book! How about a bedtime story—in Morse, of course? The earliest version of this project dates to a ham radio club meeting several years ago at which one of the members passed around an Arduino Unobased device he had made. This ‘show and tell’…

The World’s Great Literature … in Morse Code!

the listening post

What’s this? The word “positive” is rarely paired with shortwave news from the Kyrghyz Republic, which is always in the running against North Korea for first place in the world sleaze championship. It may even have slipped down a point or two, having allowed another broadcaster to operate - and a Christian one at that! The new station (the name is unclear so far) operates on 5130 kHz. The station targets Afghanistan, largely in Dari. The new guy’s 15 kW is no match for the government’s 100-kW giant on 4010. (Note Mark Taylor’s tentative log further down of the rarely-noted Kyrghyz government station.) Early May saw the emergence of a new Algerian station – ifrikya FM – dedicated to serving all of Africa. In addition to an FM channel, the…

the listening post

emergency communications

Basic antennas and how they evolved This is the first column of a series on antennas that we will revisit over the next several months. Granted, this is a column on emergency communication, but you are going to need an antenna or two if you plan on communicating. There is a reciprocity theorem that states, “Antennas work better when connected to a radio, and radios work better when connected to an antenna.” Ever tried to tune up your rig when you forgot to connect the antenna? Ever wonder why that darn antenna wasn’t hearing anything? Antennas, their design and performance have probably been the subject of the more intense and emotional discussions in the amateur radio community over the years than almost anything else. Where did they come from? How…

emergency communications

My 42nd journey to the Dayton Hamvention was taken by car, around 800 miles each way from here in Nebraska. When flying, the amount of stuff you can bring with you is by nature quite limited. But this year, the things I was really after were quite small so I was able to drive. Of course, those were mostly kits and I brought a couple of them home with me. For those who attended the Four Days in May seminars, a special treat was in store from Hans Summers, GØUPL (Photo A). Hans not only announced a great new kit, he had plenty of them there and ready for sale! The new kit is the QMX, a multiband SDR-based pocket-sized transceiver capable of both digital modes and CW operation. The…

As a matter of courtesy, I try to avoid political, religious, and money discussions over ham radio. I try to heed the advice the Irish satirist Jonathan Swift gave in 1721, “You cannot reason someone out of something he or she was not reasoned into.” Sometimes these topics, especially contentious ones, can lead to arguments that can quickly generate more heat than light. Not a pleasant experience to be involved in either as a participant or a listener. As ham radio operators, we must constantly remind ourselves when we are on the air, we are ambassadors of goodwill. Our radio emissions know no geographical boundaries. However, for us to be on the air, we need antennas from which to tickle the aether (ionosphere). Antenna Restrictions Radio amateurs are finding it…

“I had no idea what I was getting myself into.” That’s how Michael Hart, KC6MEH, replied when I asked about his first time competing in USA’s national championships of Amateur Radio Direction Finding (ARDF). Michael had limited experience at first, but by the time he went home, he was enthusiastic and eager to teach the sport to hams and Scouts in his hometown. KC6MEH was one of 26 male and 8 female foxhunters who traveled to eastern Texas in mid-April for the 22nd annual USA Radio-Orienteering Championships. They came from nine states plus Ontario, Canada. All competitions took place in the 3026-acre Cooper Lake State Park (CLSP) near Sulfur Springs, Texas, which is about 95 miles northeast of the Dallas/Fort Worth airport. New Mexico Orienteers was the hosting organization, using…

analog adventures

I occasionally think about things – it’s an activity I highly recommend. One of the things I recently thought about was the issue of whether a book (you know, one of those stacks of paper with symbols made of ink impressed upon the sheets) is an analog or a digital device. Because a book is old technology, one is naturally inclined to put it in the category of analog technology, which is nearly synonymous with old. However, since books are, for the most part, written in black and white, there is generally a strict demarcation between where ink exists and where ink does not exist, which implies that they are some-what digital in nature. Despite being sort of a high-tech guy, I like books. Lots of them. This is not…

analog adventures

Spring has been a busy time – multiple trips, field activations, new antennas at the house, licensing classes, local hamfests, and family fun. My major trip was to Xenia, Ohio, for Hamvention. I drove with Jeff Reinhardt, AA6JR, and Rob Hanson, W6RH, in my Toyota Avalon hybrid, and it was a great adventure. Jeff reported on it in his “Magic in the Sky“ column in the last issue of CQ. For the trip, I had decided to use the IsoPwr to isolate the radio battery from the vehicle’s electrical system, and to keep it charged. The Avalon starting battery is in the right rear wheel well, with an access cover in the trunk. Thank you, Toyota, for making this easy! I bought a new Group31 battery to use for radio…

qrp: low-power communications

Exciting times are upon us as Solar Cycle 25 continues to strengthen, and I am hearing more and more stations operating QRP, and I am finding many of these stations are hunting and activating parks in the Parks on the Air (POTA) program. POTA is a great way for QRP operators to get out in the field to test equipment and antennas as pipsqueak signals can generate huge pileups. I am looking forward to more POTA activations over the next few years as these outings satisfy my thirst for portable operation, provide a good venue for me to experiment with different antennas and configurations (I often deploy two or three different antennas at parks for side-by-side comparison) and most importantly, allow me to unwind after a long day at the…

qrp: low-power communications

WA5VJB has been very busy with his day-job and didn’t have time this month to write a column. Two of our regular antenna article contributors, Bob Rose, KC1DSQ, and Bob Glorioso, W1IS, are filling in as guest editors with a look at an antenna that might even help you lose weight by making it harder to bake cookies! – W2VU A batch of chocolate chip cookies cooling on an 11.5 x 16.5-inch stainless steel cooling rack was the inspiration for this project (Figure 1). There it was, the perfect reflector for a simple, inexpensive, 70-centimeter antenna. Some online research followed,1,2 along with a few sessions on EZNEC to simulate a few configurations that could exploit the rack. We started with two of them in a corner reflector configuration and found…

Putting the best signal on the air is an important topic, and one I try to talk about a lot. The devil, as they say, is often in the details. Admittedly, buying a new radio is a lot more exciting than improving the quality of your feed line, but I will tell you that feed line and connector performance are critical to the success of your station. Last month, we talked about receiver performance in the VHF+ range, with help from Rob Sherwood, NCØB. I have much more from my interview with Rob that I’ll share in coming episodes, but Rob sent me down a rabbit hole with talk about feed lines, including patch cables, and specifically with N connectors. He mentioned that Frank Donovan, W3LPL – who is well…

While at the Dayton Hamvention® this year, a few members of the YLRL approached me to promote the awards they are offering in 2023. This group has eight awards available to obtain and we will cover each with a brief description and how to obtain. The information and illustrations are courtesy of the YLRL website, . YLRL Annual Award This year’s YLRL Annual Award (Photo A), available only to YLRL members, is about working other YLs over the radio. Internet help is not permitted. Work 12 different YLs anywhere in the world. Contacts may be made by any communication mode used in amateur radio. Contacts made on Echolink do not count this year. The certificate is about using your radios and antennas to make contacts. Log each YL contact with…

This September marks the 40th anniversary of INDEXA, the International DX Association! INDEXA was first incorporated in 1983. What originally started as an “on the air” DX net evolved first into a repository for donated equipment supplied to DXpeditions or deserving DX stations. QSL card printing was also provided. As vendors and manufacturers came on board donating/loaning equipment to DXpeditions, INDEXA further evolved into a fundraising organization that would pass along support to DXpeditions. These funds would help offset DXpedition expenses. Over these 40 years, INDEXA further evolved into what it is today; one of the largest DX funding organizations in the world with over 1,000 members worldwide. For further information about INDEXA, please visit their website at . Annual dues are only $20.00. I especially recommend watching the…

QSL of the Month Barbara Dunn, G6YL – UK’s First Licensed YL

G6YL, Barbara Mary Dunn, was born February 25, 1896, in Carlisle, Cumbria, England, and became a Silent Key in September, 1979. Licensed on April 14, 1927, she was Britain’s first licensed YL. It was in 1923 that Miss Barbara Dunn received her introduction to broadcast radio. She says it was “YLish curiosity” that prompted her to find out the meaning of certain scratchy signals which interfered with broadcast reception at her old home in Stock, Essex. Having discovered that these were spark signals from ships and coastal stations, she deserted the ranks of broadcast listening and set out to learn Morse code. She mastered the code entirely by listening on a crystal receiver on 600 meters. After five months of self-instruction, the code was copied at 20 WPM. At Christmas,…

QSL of the Month Barbara Dunn, G6YL – UK’s First Licensed YL

Impulse Electronics “Grab-N-Go” Radio Package Every ham involved in emergency communications should have a “go-kit,” a complete station for emergency deployment that’s ready to go when needed, so you don’t have to spend valuable time finding and packing gear when every minute counts. If such a kit is something you’ve thought about but never found time to assemble, Impulse Electronics has a solution for you, its new “Grab-N-Go” radio package for quick deployment. The Grab-N-Go is a completely self-contained station including everything from a radio and antenna to built-in solar charge controller, so you can directly plug in a solar panel generating up to 150 watts. Here’s a rundown of what comes packed inside the custom carrying case: • Anytone AT-779UV UHF/VHF 20-watt radio ° Output Power: VHF>20W, UHF>18W ° 500 channels…

The last weekend of August will have the fifth running of the World Wide Digi DX Contest. In this 24-hour FT4 and FT8 contest, QSOs are awarded points based on distancebased scoring, and the first two characters of the locator grids count as perband multipliers. Let’s check out the recent trends in WSJT-mode contesting as we approach solar maximum, and can maximize our score and fun on August 26 and 27 this year. DX propagation was astonishingly good in the second running of the ARRL International Digital Contest in the first week of June. The solar flux peaked near 170 that weekend and not only was the 20 meter band open all night (typical for summertime near solar max), I found the 15 meter FT4 and FT8 segments bustling with…

You may have heard a fellow amateur radio operator make the statement, “a solar flare is heading our way, so conditions will be terrible.” Even in popular news media we find or hear statements like this. A report like, “A spectacular coronal mass ejection on July 4 sent a solar flare heading our way at a speed of 1,400 kilometers per second. The flare, said to be of medium size, is likely to result in a solar storm with spectacular aurora and other space weather effects that have the potential to cause some communications, navigation, and power-grid problems.” Do a search on your favorite search engine for ‘solar flares heading our way’ and see at how popular this phrase has become. The problem with these statements is that they are…

behind the bylines…

… a little bit about some of the authors whose articles appear in this issue. Matt Canel, KE8NZR (“The 2023 Field Day Experience for a University Amateur Radio Club,” p. 8), is a recent mechanical engineering graduate of Case Western Reserve University and is founder of 3D Music, LLC, which manufactures acoustically-accurate 3D-printed violins. Coauthor David Kazdan, AD8Y, is a typical ham radio underachiever. He is an electrical engineer, holds a Ph.D. in biomedical engineering, is a board-certified anesthesiologist and is currently teaching in the electrical engineering and computer science department of Case Western Reserve University. He is also the faculty adviser and station trustee of the Case Amateur Radio Club, W8EDU. Chris Kunze, DK6ED [“The DK6ED Double Loop (Version 3)“, p. 31`], was born in 1956 and has been…

behind the bylines…

Olivia Mode HF Weekend QSO Party

One of the great digital modes that affords you the chance to have a keyboard-to-keyboard ragchew is Olivia. Your columnist is an avid participant in on-air Olivia QSOs, and there’s a growing group of enthusiasts. We are planning our August 2023 Olivia Digital Mode on HF Weekend QSO Party, starting at 00:00 UTC on 11 August, 2023, and endingat 23:59:59UTCon 14 August,2023. For more information, please visit - and you may join our Discord Olivia Server with this invitation link: . (Source: NW7US)…

Olivia Mode HF Weekend QSO Party

Looking Ahead in CQ

Here are some of the articles we’re working on for upcoming issues of CQ: • Results: 2023 CQ WPX SSB Contest• My $20 Transmitter• A Transceiver-to-Computer Interface Box Plus… • MF/LF: Short Vertical Loading with a Bucket Variometer• Verification Reply Cards• My Portable Phone Company Do you have a hobby radio story to tell? A new circuit you’ve designed? An operating adventure? CQ covers the entire radio hobby. See our writers’ guidelines on the CQ website at .…

Advertising Rates: Non-commercial ads are 20 cents per word including abbreviations and addresses. Commercial and organization ads are $1.00 per word. Boldface words are $1.50 each (specify which words). Minimum charge $2.00. No ad will be printed unless accompanied by full remittance. All ads must be typewritten double-spaced. Closing Date: The 10th day in the third month preceding date of publication (example: Jan. 10th for the March issue). Because the advertisers and equipment contained in Ham Shop have not been investigated, the Publisher of CQ cannot vouch for the merchandise listed therein. The publisher reserves the right to reject any advertisement. Direct all correspondence and ad copy to: CQ Ham Shop, P.O. Box 1206, Sayville, NY, 11782 (e-mail: ). RF Connectors & Gadgets Parts — Products — More www.W5SWL.com WANTED:…

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