Tag Archives: Ham Radio

W9IMS: A delayed start for the Indianapolis Motor Speedway special event station 

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Many thanks to SWLing Post contributor, Brian D. Smith (W9IND), who shares the following announcement:

W9IMS: A delayed start for the Indianapolis Motor Speedway special event station

by Brian D. Smith, W9IND

It’s a late start for auto racing at the Indianapolis Motor Speedway, as well as the amateur radio station that honors this century-old tradition … but the show must go on!

And this week it will, as special event station W9IMS returns to the airwaves from now through Sunday to offer radio hobbyists a fresh opportunity to collect more “wallpaper”: Two vivid racing-themed QSL cards and the popular certificate known as the Checkered Flag Award.

The 2020 certificate will be easier than ever to earn. Normally the Speedway’s three major races take place on three different weekends, but this year, because of Covid-19 concerns, they’ll be consolidated into two. Accordingly, hams and SWLs will be required to contact or tune in W9IMS during only two race weeks – the current one, which continues through Sunday, July 5; and Aug. 17-23, which ends on the day of the venerable Indianapolis 500.

Even if you succeed in snaring W9IMS only once, you can still send off for the corresponding QSL card. All certificate and QSL designs are new each year.

The coming Independence Day weekend will feature an unprecedented racing doubleheader, with the IndyCar Grand Prix and the NASCAR Brickyard 400 slated for Saturday and Sunday, respectively. Consequently, the first W9IMS QSL of 2020 will be a full-color, four-sided card portraying images from both races.

So where do you find W9IMS? The station will stick to three bands, 20, 40 and 80 meters, and may appear at any time of day or night from now through Sunday.

However, the best bet is to catch the station during prime time – 2200 through 0200 UTC on weeknights (6 to 10 p.m. Indy time). W9IMS operators also plan to activate 20 meters during daytime hours, often between 8 a.m. and 2 p.m. (1200-1800 UTC); and will cover the various bands all weekend starting at 10 a.m. (1400 UTC) daily.

If you still haven’t caught W9IMS by the time Sunday evening arrives in Indianapolis, operators commonly conduct their own happy hour – working stations in rapid contesting style – right up to midnight (0400 UTC Monday).

Here are a couple of hints for tracking down the station during special event weeks:

  1. Go to the W9IMS web page (www.w9ims.org), find the “2020 Operating Schedule” heading, and click on the link to “Grand Prix & Brickyard” or “Indianapolis 500.” Although some W9IMS operators get on the air at unscheduled times, you’ll have your best luck looking for the station during the hours and bands reserved with a name and a callsign.
  2. Check DX Summit (www.dxsummit.fi) for spots that identify the current frequency (or frequencies) of W9IMS, if any. And if you type “W9IMS” in the search box, you can customize it to show reports for only that station.

For additional details, consult the W9IMS web page. Feel free to submit both of your 2020 QSL card and certificate requests in the same envelope, and if you don’t have your own QSL card, a printout of your W9IMS contacts or reception reports will suffice.

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A Field Day weekend of rain, shine, battery power, pile-ups, and radio improvisation

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If you’ve been reading the SWLing Post for long, you’ll know that I’m a big fan of portable radio gear. Whether it’s a portable receiver, an SDR, or a ham radio, I believe radios are made to be taken outside––rain or shine; hence I love programs like Parks On The Air (POTA ) and Summits On The Air (SOTA), and I’ve always loved ARRL Field Day.

Of course, this ARRL Field Day was a bit different than years past due to Covid-19––there were more individuals on the air with their own Field Day stations, while there were relatively few clubs on the air. Typically, the opposite is true.

This year I’d planned to operate from the field at various POTA locations in western NC; some contenders were the Blue Ridge Parkway, Pisgah National Forest, and Mount Mitchell State Park. In the past few years, my buddy Vlado (N3CZ) and I––with spouses in tow––hit the field together, but this year he was out of town, and I planned to go solo.

I plotted a few hours of Field Day time at Craggy Gardens on the Blue Ridge Parkway. The night before, I had my antennas and the Elecraft KX2, KXPA100, Heil Pro Headset, and 15 aH LiFePo battery (all packed in my go-packs, of course), in the car and ready to go.

Saturday morning.  I woke expecting fairly nice weather: partly cloudy with a chance of showers. Turned out, it was chilly, gusty, with total cloud cover and fairly constant rain. I’ll admit, it dampened my enthusiasm for Craggy, because while it’s a gorgeous site, it’s well above 5000′ ASL, thus the winds up there can be seriously gusty and the weather can turn on a dime.

So, I decided to put up my feet in the shack  and operate class 1E, meaning on emergency/battery power.

I started calling CQ at the start of Field Day and, to my surprise, worked a constant pile-up for nearly an hour. Within that fairly short space of time I found I’d already collected about 90 or more stations on 40 meters.

After that, I hunted and pounced for maybe an hour, then took a break; later that night, I operated intensively again for 30 minutes or so.  Had I been at a Field Day site, I would have been a much more dedicated operator, but frankly, I’m not even sure I plan to send in my logs. Still, it was fun.

My set up on a damp picnic table at the Craggy Gardens Picnic area.

Sunday morning.  The weather was much more pleasant from the get-go, with sun and wind, though thunder showers were in the forecast. Around 11:00 or so, my wife suggested we pack up and head to Craggy Gardens for a little radio fun followed by some lunch and hiking.

We reached the site–it was beautiful, but ominous. Thick fog and Saharan dust (no kidding) covered the site and surrounding mountains.  Still, I set up the station and my new Wolf River Coils TIA portable vertical.

My daughter and I deployed the TIA vertical in a matter of 5 minutes.

I think I logged two stations before the misty clouds rolled up all around me; then (remember that change-on-a-dime weather?) a sudden––and torrential––downpour came from nowhere. My wife snagged all she could carry and ran for the car, and I quickly covered my gear with my raincoat and packed everything in my packs as soon as possible. I had to make two trips to the car to pack everything, and needless to say, with my raincoat in the service of my equipment, I was drenched to the skin. I literally looked like I had jumped into a lake with my clothes on.  Fortunately my gear––at least, the important gear––was only a bit damp, but internally fine. Herein lies one of the great things about being a pack geek: quality packs tend to be water-resistant, if not fully waterproof.

But. If I’m being completely honest, I’ll admit I was a bit miffed that I got so little radio time before the heavens opened. We knew there would be a risk of bad weather and, frankly, other than the hassle of packing and unpacking, we actually acknowledge the entertainment value of a little WX from time to time. After all, this is the hazard of operating under a wide open sky.

My wife, sensing my disappointment, suggested we go to another site to play a little radio, but at that point I just wasn’t feeling it. What I felt instead was the damp…wringing wet-level damp…and my spirits were dampened. too. I suggested we make our way back.

En route, I saw a sign for the Zebulon B. Vance Birthplace––a historic site that I knew was a POTA entity. I’d completely forgotten about this site, and decided to make a detour so I could scope out the site for a future activation. By now I’d warmed up a bit, and a bit of lunch helped revive my flagging spirits.

Turns out the site’s visitor’s center is closed on Sunday, but the gates are open so the public can enjoy the grounds. We drove up to their covered picnic area, although the cover was now peace of mind only, as the sun was again making an appearance. The setting was…well, ideal. And here I was. How could I not go ahead and activate this POTA site?

Zebulon B. Vance Birthplace (K-6856)

It was windy but warm, and while my wife spread out the packs, lunch cooler, and jackets to dry, I, too, found I was no longer dripping. By the time I set up the Wolf River Coils TIA vertical and my KX2/KXPA100, the togs were fairly dry, and indeed I was quite comfortable again. I hopped back on the air and worked a number of stations in short order, easily logging the ten needed to confirm the park activation.

The Wolf River TIA is outstanding in its field (sorry!)

Later, I discovered that the site was an “All-Time New One” (ATNO) in the POTA system. A bittersweet discovery, in a way, because Field Day is not the best time for POTA hunters to log a new site. Still, I wasn’t even calling CQ with POTA in mind; I just worked Field Day stations and had a great time.

Just as I finished, there was yet another downpour, but as the picnic area where I’d set up was covered, I no longer feared my gear getting soaked. This time, it was a sudden loud clap of thunder that gave me my cue to pack up quickly!

Still, all in all, I was very pleased with my weekend Field Day chase, and it was worth dodging rain storms for it. Sure, I would have loved to play radio at Craggy Gardens for a couple hours, but it was a pleasant surprise to fit in an ATNO activation before the end of the day. I’d have never guessed the Vance site was an ATNO, since it’s so accommodating and accessible. Indeed, I’ve discovered that, at this stage in POTA, most of the sites that haven’t been activated are either newly-incorporated into POTA or are very inaccessible. If you missed me there on Field Day, no worries: I plan to head out there again in the very near future.

Oh, and I did learn one more thing over the weekend: the Wolf River Coils TIA vertical antenna is incredibly easy and speedy to deploy. I’m very pleased with this recent acquisition!

Parkway and parks? I’ll be back soon. My radio’s already packed.

Did you participate in Field Day or put your receivers to the test by trying to log exchanges between stations?  Please comment!

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Radio in the field: Two new POTA activations this weekend!

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This past weekend my wife suggested that I do a Parks On The Air (POTA) activation. I think she wanted me out of the house so that she could prepare a birthday and Father’s day surprise with my daughters.

Of course, I happily obliged. My motto in French: “Profitez-en bien!” or “Make the most of it!”

Hazel (our dog) made it crystal clear she wanted to join me as well. She’s a great hiking companion and also watches out for black bears while I operate in the forest!

DuPont State Game Land (K-6902)

I decided to activate the DuPont State Game Land which was about a one hour drive from my house. Not only was it a new park for me, but it was also an ATNO (All-Time New One) for the POTA program.

I arrived onsite around 10:15 AM local and the parking lot for the forest trail heads was already packed.

It was a gorgeous day and this part of the DuPont Forest is well-known as a great mountain biking spot. I was very lucky to find a place to park.

We’re still in full social distancing mode in North Carolina due to Covid-19, so I had no desire to be anywhere near other people. Hazel and I went off-trail and hiked in about 1/4 of a mile to a nice clearing.

I set up the EFT Trail-Friendly end-fed antenna and operated with the Elecraft KX2.

I called for quite some time before I was spotted in the POTA system. After being spotted, I quickly racked up more than the required 10 contacts for the activation to be considered valid.

Although the weather was amazing and my antenna deployment was near-ideal, the bands were rough and unstable, so it was challenging.

Hazel and I packed up, moved out, and made a detour to visit a waterfall near a site I hope to activate in the near future. Here’s a short video:

Kerr Scott State Game Land (K-6918)

Since Sunday, I’ve been visiting my hometown to help my parents with a few projects.

Yesterday, I had a four hour break in the day and decided to, of course, benefit from the beautiful weather and activate another new-to-me site. (Can you tell I’m addicted to POTA?)

I picked the Kerr Scott Game Land because it was “only” a 50 minute, rather scenic, drive.

It was quite easy finding a spot to park.  Like most game lands, though, you must be prepared to go through off-road conditions. Part of the driveway into the site was incredibly muddy and definitely required at least all-wheel drive.

I set up my station in the shade and easily deployed the end-fed antenna once again.

Lesson learned

This activation of Kerr Scott Game Land taught me an invaluable lesson: if you don’t have a “spot” of your activation on the POTA site, it’s like you don’t exist.

The POTA spotting network (much like popular DX spotting networks and clusters) is simply amazing. As a POTA hunter, you open the spots page and you’ll see a list of all of the current operators, their park numbers, and frequencies where last heard.

As an activator, your number one priority when you find an available frequency and start calling CQ is to be spotted on the POTA network.

If I have good mobile phone coverage at my site, I self-spot on the network. Within a few seconds of the spot posting, I’ll typically have a pile-up of a few operators trying to reach me.

If I have cell phone service, but no data, I’ll text my good friend Mike (K8RAT) and ask him to spot me on the network.

Kerr Scott, like most game lands, however, had no mobile phone service whatsoever, so I had no way to self-spot. In fact, this particular site was a good 15 minute drive from the nearest cell phone signal.

I called CQ for 30 to 40 minutes on my announced frequency, at the announced time, but not one single op come back to me.

Since I had just driven 50 minutes to reach this site, there was no way I was going to give up so easily. I had already set up my station in the trunk/boot of my car, so I simply secured it, disconnected the antenna and tied it to a tree branch (so it wouldn’t be in the way), and drove 15 minutes to a spot where I could send a quick message to Mike.

When I got back to the Kerr Scott, I hooked up the antenna, made one call, and had a pile-up of five operators I worked in rapid succession. In fact, I had my required 10 contacts within 8 minutes.

I do wonder how some of the most adventurous POTA activators manage to post spots while in remote areas. It’s such a key component of having a successful activation, I wonder if they use a satellite phone or satellite messaging device to text a friend for help. (If you’re a POTA or SOTA activator, I’d welcome your comments here!)

At any rate, I was very pleased to hammer out an activation so effortlessly once I was spotted on the network.

The CW secret weapon

I should add here that CW activators have a secret weapon that’s incredible effective: the Reverse Beacon Network (RBN).

As a CW operator, the POTA spot system will read your callsign from the RBN as long as you have made an announcement on the POTA website in advance or have already been spotted to the POTA website. All you have to do is set up your station at the site and call CQ: the POTA system will auto-generate an accurate spot for you based on the frequency from the RBN.  It’s incredibly effective and more than enough reason for me to think I should start doing CW activations.

I can operate CW–in fact, I routinely make CW contacts in POTA and in other contests. However, I’m not quite brave enough to call CQ from a POTA site and work my way through even a modest pile-up.

I need to practice CW more, and I will!

This week, I also take delivery of my Wolf River Coils TIA antenna. I’m looking forward to having the TIA as an option when I need a self-supporting antenna that’s quick to deploy and can handle up to 100 watts when needed.

Post readers: Did you play radio in the field this weekend? I’d love your comments–especially if you simply took a receiver outdoors to enjoy some noise-free broadcast listening!

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Listener Post: Mike Stutzer’s love of radio began with a Hallicrafters S-120

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Photo: Universal Radio

Many thanks to SWLing Post contributor, Mike Stutzer, who recently shared the following listener post:

I started SWLing as a teenager. My favorite uncle gave me a Hallicrafters S-120.

My dad hung a longwire under an eave and through a casement window frame into my bedroom. I marveled at all the AM international stations broadcasting in English, listening to everything from BBC cricket coverage on Saturday morning to hysterically unbelievable Albanian political news coverage.

After college I could afford something better, so I upgraded to a “boat anchor” Hallicrafters SX 110. It had a useful crystal filter to improve selectivity, but it was still nigh on impossible to decipher a Ham on SSB.

Photo: Universal Radio

Many decades later I bought a house on a steep foothill. Realizing that it was a perfect QTH for a Ham station, I got licensed and now am President of the local ARC. Here is a loving look at the original SWL receiver that got me hooked.

Prof. Mike

Boulder, CO

Thank you for sharing this, Mike!

Mike’s radio story is the latest in our multi-year series called Listener Posts, where I place all of your personal radio histories. Feel free to submit your own by contacting me.

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Building the EA3GCY DB4020 Dual-band 40 and 20M QRP SSB Transceiver Kit (Part 1)

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Many thanks to SWLing Post contributor, Frank (ON6UU), who shares the following guest post:

Building EA3GCY’s DB4020 QRP Transceiver kit

by Frank Lagaet (ON6UU)

In May, I discovered via a newsletter that a new kit was available from Javier EA3GCY in Spain.  I was immediately sold as this was a kit from my favourite kit producer and it has 2 bands–it will also be able to do CW and there also will be a CW filter.

After building 2 MFT’s from Javier which work without problems, I needed to have the DB4020.  The MFT’s are for 20 and 40 mtrs and do DSB (double side band).  I did put them in a not-so-graceful box but they do what they are intended for which is QRP phone (SSB).   They came together without problems so I expected the same for the DB4020–I knew for sure when I saw the board:  all through-hole components (except for some capacitors which are factory soldered) and a lot of space on the board.   The board has been silk-screened with clear indications on where all components have to come and the manual has very clear instructions where each component has to be soldered with referral to a quadrant.  The manual provides a 252 quadrant page so it is a piece of cake to find where each piece goes.

What do you get?

Javier provides you with all components which need to be installed on the board and, of course, the kit board.  The components come in small marked plastic bags and all is well-wrapped up in bubble wrap.  The board is wrapped separately and that is put together with the component wrap which is then again wrapped up in bubble plastic.  All goes into an envelope.  Very well packed I must say.

Here’s a picture of the bags with components:

The silk-screened board:

I started with the resistors since that’s the easiest way. After that, I did the capacitors.  I like to solder in all flat components first, so next were the diodes and IC sockets followed by the elco’s.  The transistors were next together with all relays.  As you solder in the transistors one also has to mount the cooling heatsinks,  these cooling sinks are high and are ideal to protect the coils one has to make,  they also protect the polystyrene caps (which I always find vulnerable) when the board is upside down.

Many kit builders are afraid of winding the toroids in kits–don’t be!  It is easy.  Just take your time and follow the instructions given by Javier in the construction manual.  In this kit the builder has to wind 8 toroids:  6 are a single wire which goes through the toroid body,  1 is a toroid with 2 different windings, and 1 has a twisted pair which goes through the final toroid.  Be sure to measure the wire you need per toroid as instructed in the manual.  Javier gives some spare, so you can be sure.  You will also see that on next picture where the legs of the toroids have not been trimmed yet.  Once done I still had some centimetres of wire leftover.

Picture of the toroids ready to be soldered in:

Finally all other parts and pin headers went in,  jumpers were immediately put on where needed.

As I’m using a military-grade plastic box, I have to break-out some components like the display,  tuning encoder,  volume and rx control from the board.  I also have put an on/off switch on the box and already have the CW KEY connector ready installed. I also installed a loudspeaker in the box.  The SI5351 board and the Ardiuno Nano are the final components which go into the board after installing all wires.

Picture of the board:

I intend to attach a CW paddle to the box made out of a relay.  A HWEF tuner (from EA3GCY) which I was planning to incorporate in the box is I think a bit overkill. That HWEF tuner is already in a nice little box and would be a pity to dismantle,  also I’m running out of space in the box…  Maybe I can fit in a 9-1unun which would then give me good results on both bands…?

Maybe I will install a battery pack in the same box.

The box with board installed:

The box completed front side:

Mind you,  it still needs some additional switches for the CW part of the transceiver.

73
Frank (ON6UU)

Video

Brilliant, Frank! I really appreciate the video as well–sounds like the kit produces smooth audio and should serve you well. No doubt, that military box enclosure will survive even the roughest field conditions!

Click here to check out the DB4020 kit at EA3GCY’s store.

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Snagging two state game lands in three days for Parks On The Air

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View from Waterrock Knob on the Blue Ridge Parkway (June 13, 2020).

You might have noticed from recent posts, I’ve been on a bit of a POTA (Parks On The Air) kick lately.

I’ve been enjoying taking the Xiegu G90 to the field and seeing just how well it performs under intensive use on battery power. So far, it has certainly proven itself to be a capable field rig.

Still, on two recent activations I also brought my trusty Elecraft KX2 along as well.  Without a doubt, it’s still my number one field rig. It will be difficult for another field transceiver to displace it.

With that said, the G90 is less than half the price of the KX2 (when the KX2 is configured with the optional ATU). The G90 can also pump out a full 20 watts of power–nearly double that of the KX2. I also love the G90’s spectrum display which makes it so easy to find free frequencies and hunt other parks. Its internal antenna tuner–like the KX2’s–can match almost anything very quickly.

Here are a couple of quick reports from my recent activations:

William H Silver State Game Land (K-6967)

Saturday, my family had planned a trip to visit my father-in-law. My wife encouraged me to find a nearby park to activate as there are so many between our house and his. I made it slightly more challenging by deciding to find a park or POTA entity I’d never visited.

Turns out the William H Silver State Game Land was only a 30 minute detour. I had never visited it and, in fact, it was even an ATNO (All Time New One) for Parks On The Air, meaning no one had yet activated it.

I had initially planned 1.5 to 2 hours for the activation, but we were running behind Saturday morning so I had to cut my time at the park to a total of about one hour–which included set-up, operation, and take-down.

We arrived at the site and I immediately deployed my EFT Trail-Friendly end-fed antenna.

My 12 year old daughter (who is studying for her ham radio license and is a great at digging callsigns out of the noise) helped me log contacts. I stuck with very brief exchanges so that I could work as many stations as possible. When activating an ATNO, I always want to give as many POTA “hunters” as possible the best opportunity to put the site in their log books.

I started on the 40 meter band and worked 20 stations in 25 minutes with the Xiegu G90.

I then moved up to the 20 meter band and switched over to the Elecraft KX2.

Turns out, 20 meters was pretty unstable, so I worked very few stations. I did work a station in California with 10 watts and a wire, though, so I’ll still call that a success.

I plan to visit this same site again later this year–it’s very accessible.

Buffalo Cove State Game Land (K-6886)

Monday morning, even though the weather outlook was dodgy, I scheduled another park activation which, like Saturday’s, was at a state game land which was another ATNO.

I like game lands. Unlike state parks, I don’t have to worry about crowds and I also usually get to take my Subaru or truck off-road. Access roads here in the mountains are typically steep, curvy, and washed-out in places. Finding the site can be very challenging, too. Still, I love adding a little off-road fun to a park activation!

The Buffalo Cove State Game Land is much larger than park K-6967 (above). I drove deep into the lands and found a large parking and camping area for hunters. I had the whole place to myself, so I found the best tree to support my end-fed antenna.

I operated the KX2 exclusively on this activation because I wanted to use its voice keyer and my Heil headset for hands-free VOX operation.

In the course of 90 minutes, I worked 51 stations from the trunk/boot of my car.

Many thanks to my good friend Mike (K8RAT) who made the whole process much smoother by spotting me on the POTA site.

Band conditions were actually pretty rough today, so I was very pleased with the results and intend to return here for a weekend activation later this year as well. This would actually be an ideal location for making low-noise portable SDR recordings while camping overnight.

This weekend, I decided I want to increase my portable field antenna arsenal. More about that in a future post!

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Radio Waves: FEBC at 75 Years, Radio Drama “With a Twist”, Remembering Rufus Turner, and Free Foundation Online Training course

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Radio Waves:  Stories Making Waves in the World of Radio

Because I keep my ear to the waves, as well as receive many tips from others who do the same, I find myself privy to radio-related stories that might interest SWLing Post readers.  To that end: Welcome to the SWLing Post’s Radio Waves, a collection of links to interesting stories making waves in the world of radio. Enjoy!

Many thanks to SWLing Post contributors Richard, Michael Bird, for the following tips:

Far East Broadcasting Celebrates 75 Years (Missions Box)

LA MIRADA, CA – Two students attending Southern California Bible College were given the vision to establish the Far East Broadcasting Company, which they incorporated in 1945.

Their initial broadcasting location was in Shanghai in the midst of the Chinese people whom the Lord had laid upon their hearts. The effort was short-lived, however, when China closed its doors to all missionary work in 1948.

Some people would have considered that to be the death of the vision. Not Bob Bowman, John Broger, or their supportive pastor, William Roberts. The vision remained the same, FEBC would have to find a different location.

On June 4, 1948, FEBC regenerated from station KZAS in Manila. By 1949, FEBC was equipped to air broadcasts from the Philippines, across the South China Sea, and into parts of China.

Now celebrating its 72nd year of continuous operations, Far East Broadcasting Company has expanded multiplied times and broadened its ministry to include AM, FM, shortwave, satellite, internet, and other digital technologies.[…]

Theaters Return To An Old Art Form — The Radio Drama — With A Twist (NPR)

As theaters across the world have closed because of the coronavirus pandemic, they’ve scrambled to find ways get work to the public.

Some have made archival video of productions available, some have created Zoom plays and some have returned to an old art form — radio drama — but with a digital twist.

In the 1930s, with many people out of work, families huddled around radio receivers to listen to audio plays, like Orson Welles’ famous broadcast, War of the Worlds.

“Orson Welles began his career as a theater actor and director,” says Adam Greenfield, artistic director for New York’s Playwrights Horizons. “And I think he’s able to really utilize the full potential of what audio can do.”

Taking cues from Welles’ success, Greenfield commissioned a new series of audio plays for podcast called Soundstage. He planned to release them this summer, when the theater was dark, but because of the pandemic he hustled them online.

The first podcast released was Prime: A Practical Breviary by songwriter and performer Heather Christian. It’s based on the 6:00 a.m. rite, or breviary, of solo contemplation for nuns and monks.[…]

Do you know Rufus Turner (Hackaday)

It is hard to be remembered in the electronics business. Edison gets a lot of credit, as does Westinghouse and Tesla. In the radio era, many people know Marconi and de Forest (although fewer remember them every year), but less know about Armstrong or Maxwell. In the solid-state age, we tend to remember people like Shockley (even though there were others) and maybe Esaki.

If you knew most or all of those names without looking them up, you are up on your electronics history. But do you know the name Rufus Turner?

W3LF

Turner was born on Christmas Day, 1907 in Houston, Texas. At the age of 15, he became fascinated by crystal diodes and published his first article about radio when he was 17. Rufus Turner was–among other things–the first black licensed radio operator (W3LF). He was building and operating radios in Washington D.C., where he was attending Armstrong Tech.

Turner became a licensed professional engineer in California and Massachusetts. You may have even used something that Turner worked on. In the 1940’s, working with Sylvania, he helped to develop the 1N34A germanium diode (you can still buy these if you look around for them).[…]

Register now for Free Foundation Online Training course (Southgate ARC)

The next free amateur radio Foundation Online training course run by volunteers from Essex Ham starts on Sunday, June 21

The Coronavirus outbreak and the RSGB’s introduction of online exams that can be taken at home has led to a surge in demand for free online amateur radio training courses such as that run by Essex Ham.

To cope with the high-demand from people wanting to get their amateur radio licence, the Essex Ham Team have been running an additional online training course each month. The next course starts on June 21.

You can find out more about online training and register to join a course at
https://www.essexham.co.uk/train/foundation-online/

Essex Ham
https://www.essexham.co.uk/
https://twitter.com/EssexHam

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