Welcome to my home page. I became blind at birth. I started programming computers at a young age. I also earned my general class amateur radio license, KA3TTT, a hobby to which I have returned with great joy. I practice Qigong and consider myself a Taoist. I use Linux as my desktop and Android as my mobile OS. I eat gluten-free vegan meals. For the rest you'll have to read my blog. To comment on what you read here, visit Disboardia, my bulletin board system.

Roll-up J-pole Test

June 08, 2022

I recently purchased an Ed Fong Roll-up J-pole. I wanted something to give me more gain than my rubber duck while on the roof deck. This antenna has already exceeded my expectations. I love it.

I found the antenna easy to assemble, and would consider it very blind friendly. It has a length of twin lead wire, which hangs vertically from a little loop. Another loop of wire fits between the two leads and also hangs down. The top end of the twin lead has a zip tie for suspending the wire vertically. Thebottom end of the twin lead has a BNC connector with included adapters for SMA and reverse SMA. Some time ago I saw a random video about working satellites from a former Ham Radio Outlet employee. He said that most HT failures come from a worn out SMA jack, and recommended switching to BNC connectors. Given that Kenwood has discontinued the TH-D74a I want to do everything I can to prolong its life, so made the switch immediately.

I went up to the roof deck for the first test. I had no idea how I would hang it. Nothing would give me quite enough height and keep me close enough to the antenna. I decided to try holding it up with my fingers and checked in to the Drive Time net. It worked, but I got a small RF bite on my thumb when it touched the wire.

I realized that I needed a small mast. I remembered the mast and the table clamp that came with my Buddistick. I ran down and grabbed it. The mast fit on the clamp, and the zip tie on the end of the J-pole fit into the hole on the top of the pole. It gave me just enough height, and I could throw it in my backpack. Perfect!

I put out a call on the Phil-mont repeater. As it happened someone else also needed a radio check. He sounded fine, and he said I sounded loud and clear on 5 Watts. In my apartment I need to run 10 Watts into a Diamond X50A. I wanted to see how low I could go. I went down to medium power, around 2.5 Watts. Still fine. I went down to low power, 1 Watt. To my surprise, I still sounded fine. Even more surprising, I made the repeater with a lot of static at extra low power, 100 mW. Amazing! The Ed Fong Roll-up J-pole had exceeded my expectations.

On Friday, May 20, I put it to the ultimate test. Philadelphia County ARES took part in the Eastern Pennsylvania Simulated Emergency Test. A powerful nor’easter has struck the area, rending power and communication useless. Hams have sprung into action, delivering messages between Red Cross shelters and the authorities.

Luckily this didn’t really happen, but we had a tremendous storm on Friday afternoon, which gave the exercise a taste of realism. We had test messages to deliver, but I couldn’t read the images. We used the standard ARC-213 form. I sent our emergency coordinator Cliff, KC3PGT, a note, and he transcribed the test message for me. I believe that emergency service should have accessibility as part of its design. After all, a powerful nor’easter won’t wait for a sighted person to come on air. Thanks Cliff!

That night I packed up my gear and returned to the roof deck. This familiar location would still offer the same challenges as going to a remote location. I had the test message in an email on my phone. I held it up to my ear and repeated what I heard into the radio.


Everything performed flawlessly! The roll-up j-poll passed the test. I knew it would.

My First Begali Adventure

April 22, 2022

The nice days have come again! For me, this means going up to the roof deck of my building, usually with a ham radio or two. Elecraft, the manufacturer of my HF radio, makes a portable key which connects to the radio. I really liked the concept and the way the key screws into the radio, which provides the base, but I could never get it sending just right. At the end of last year I knew that I needed to buy a new portable ke. I decided on the Begali Adventure Mono. It exceeds my expectations, and I would highly recommend it. For the non-hams, we use a key to send Morse Code.

The K1USN Slow Speed Test happens on Friday afternoon and Sunday evening. It provides a fun hour-long event where we make simple contacts, containing the name and state abbreviation. For example, I would send Austin PA. Last October I went up to the roof deck for the final time. I wanted to give the KXPD3 key a final chance. I sent Austin PA and it dropped the first dot of the P, turning it into a G. The other station thanked me for GA. I knew I needed a better key for next year.

Many other users of the Elecraft KX3 recommended the Begali Adventure, so I decided to make the purchase. Begali makes both a double paddle and a single paddle version. I started on a double paddle key, but ever since I switched to a single paddle key I cannot go back. Plus, I can use it both as an electronic key and as a mechanical key for doing SKCC work. I set the PF1 programmable function key on my KX3 to let me select the CW keying mode. The key took a month to arrive from Italy, but I didn’t mind. I ordered it well in advance for just this reason. I also ordered the base and a steel plate to mount it on, if I wanted to use it in the shack.

The weather had not warmed enough, so I first tried it in my shack with the base. It performed beautifully. It did not miss a dot or a dash. It has one knob to adjust the tension on both sides of the paddle, which I appreciated especially for field use. I looked forward to its initiation on the roof deck.

Today we had a lovely day with temperatures in the low 70s. I got a haircut, and made it back just in time for the Slow Speed Test, feeling good and ready. I unpacked everything, and tuned up my AX1 antenna. I had started later than I wanted, and of course the first time of the year meant untangling wires and testing things. Still, I worked two stations, one in Illinois, and one in Oklahoma. I felt good, but not great. I had worked both stations before from my shack using my Alpha Loop. I wanted something more.

I checked in to the Drive Time net on the Phil-mont machine, a fun local net. The temperature had started dropping, and I also had to think about dinner. I decided to tune around 20 meters one last time before going back downstairs. I tried a few stations, then heard YL3CW calling CQ and working stations.

In ham radio parlance, we refer to all men as OM, which stands for Old Man, and all women as YL, which stands for Young Lady. CW means Continuous Wave, the way we send Morse Code over the air, so clearly this call belongs to a woman who loves CW. I hoped that she loved it enough to pick my little QRP (low power) signal out of the noise.

I sent my call, and she heard the 3. I slowed my speed and tried a few more times, and finally she got it. KA3TTT! We exchanged signal reports and names. She gave her name as Val. I gave her a signal report of 569, and she gave me one of 449. A signal report contains the readibility, signal strength, and tone, abbreviated as RST. I gave her a perfect readibility and a pretty good signal. I had almost perfect readibility, and a signal 2 S-units less than her’s, which I consider respectable given that I made the contact running 5 Watts into a loaded whip. The AX1 continues to impress me. We completed the exchange and ended the contact.

After it ended I looked up where I had just worked – Latvia, 4300 miles. I had gone on my first Begali Adventure! I wonder where my next one will take me.

My Grandfather’s Straight Key

December 29, 2021

My grandfather , James Edward Talbot, flew seaplanes in the navy during World War II. He joined in 1941 and flew out of Mustin Field. He could fly any of the planes until jets came along, especially the Catalina PBY and S.M.J. Beechcraft. Towards the end of his career he flew celebrities such as Bob Hope, Charlie McCarthy, and Kay Kyser. He also flew an admiral. We never found out which one. He served for nine years, and earned the rank of lieutenant. He passed away in 2005.

He told us a few stories over the years. One time he landed as another plane took off. He crashed and lost a wing. Another time they had to land at a base in North Carolina during a blackout. The men at the base lined up their cars and turned on their headlights so he could see. And one of his favorite stories: while taking off from a pacific island, he could not get the plane to clear the trees. The men had loaded so many watermelons into the back of the plane that it could not take off and they had to hurry to open the bomb bay doors and heave them all out the back.

He salvaged the clock from his PBY, which my Mom restored. I also remember a wing standing in the bathroom to which he mounted an ashtray. He smoked all his adult life. I have no doubt that his plane also had a radio, and that he knew how to use it.

I’ve always loved radios, and Radio Shack made a wonderful kid’s walkie talkie. It included a buzzer to send Morse Code, and it had a helpful chart of the dots and dashes. However, I couldn’t see the chart. My mother worked with my grandfather, and created a chart on heavy poster board, which my Mom made tactile with Elmer’s Glue. I loved that chart. I would read it every night to help me go to sleep. I would look forward to practicing it whenever I would go stay over night at my grandparents’ house.

Around this time my parents took me to the Franklin Institute, a science museum in Philadelphia which had a ham radio room. I touched the “big knob” as I thought of it, the VFO, and I tried sending Morse code with an iambic key. I knew right then that I wanted to become a ham. I started studying for my license, and got it a few years later, at age twelve. I got out of the hobby when I went off to college, and got back into it in 2019.

Ham radio has provided a wonderful outlet during the pandemic. I can always find some fun new thing to do. As 2020 rolled on I had a curious thought. I wondered if I could find out what kind of key my grandfather used. I figured that the Straight Key Century Club would know. I posted a message, and Chris, NW6V responded with a riveting story about his father which I would encourage you to read. You can find it if you scroll down to April 2019 on his page. The story ended with

His key was a Navy Flameproof.

I searched on eBay, and found a key up for auction. I placed a bid, waited, and to my delight I won! I asked the seller if he had any information on the key’s history. He said that he purchased another piece from the same place, and that it came from the U.S.S. Pyro, an ammunition ship which launched in 1958. The Flameproof key uses enclosed contacts, making it suitable for use in explosive environments. The key has the part number of CMI-26003A, indicating its manufacturer: the Moulded Insulation CMI Company of Philadelphia.

I got the key in a few days. The metal felt grainy, and I could feel its age. The arm had the famous navy knob, which looks like a small plastic disk, good for gripping while rocking and rolling. The key had two screws to adjust the distance and tension of the arm. It came mounted to a piece of wood. At first this seemed rustic, but I quickly would realize that I needed a better base. The wire terminated in two connectors which looked like hooks, certainly not the 3.5 mm headphone plug which my Elecraft KX3 expected. I would have to deal with that as well.

I tried tapping out some code for fun. The key had a crisp feel. Instinctively I began adjusting the key, and got a chill down my spine. I had just felt it adjusted to the position preferred by the previous operator. I reverted it and spent a few minutes sending as he would. He liked a lot more distance, probably from slapping it around on a moving boat. Finally I decided to adjust it for my lighter touch on terra firma.

Next I had to figure out how to hook it up to my radio. The KX3 has standard headphone plugs, but the key still had its original cable with two terminals. I posted again to SKCC, and Dean, KG7WGX made me a perfect replacement cable. It had the hook-like plugs on one end, and a standard 3.5 mm headphone plug on the other. In theory I could just swap it out.

In normal times before the pandemic I could bring the whole mess to my local radio club’s next meeting, and someone could do it. However, we do not live in normal times. I showed it to a friend, and she discovered solder on the existing cable. She didn’t feel comfortable proceeding, and I had no idea what to do. For a while the key and cable sat in my desk drawer. A year passed, and when I realized this I decided to just use electrical tape to join the cables. I taped each side of each cable together, then wrapped tape around the two sets of terminals, banding them together. So far it has worked perfectly.

Finally I could send CW on my radio. I began practicing, but soon realized another problem. The piece of wood made it impossible to send comfortably. Now I understood why all my keys have narrow bases. The side of the hand needs to clear the base as you push down. I posted another message to SKCC, and someone helpfully advised me to search on eBay. And of course, a ham makes custom metal bases specifically for the Flameproof. Luckily I didn’t need to bid on this one, I just bought it and had it in a few days. I used my pocketknife to unscrew the old piece of wood, and screwed in the new base. It felt perfect.

Some people do not like the smaller navy knob. I found that rotating the wrist to a 45 degree angle helped. This makes the thumb and index finger sit on top, and the middle finger rest to the side. I also have to credit NW6V with this tip. Telegraphers used to get what they called glass arm, what we would now call carpal tunnel syndrome. This happened because they would move the key with the wrist, instead of with the whole arm. After some practice I could send comfortably.

I wanted to take my newly restored key for a spin. I began tuning around the SKCC portion of 40 meters, around 7.055 MHz, and to my annoyance I found an RTTY contest in full swing. Radio teletype sounds like two fast tones, and the stations tend to run high amounts of power, and usually don’t listen to see if anyone uses the frequency.

I tuned up to what we call the novice portion of 40 meters, around 7.114 MHz. When I started out as a novice I made plenty of contacts here. As soon as I began scanning, I heard KY4ID calling CQ. I gave him an RST of 589, and he gave me a 579. In other words, my little QRP signal running 5 Watts using an indoor magnetic loop only had 1 S-unit less. Not bad at all! He gave his location as Hedgefield, SC, and his name as Mike. He ran 100 Watts into a doublet, the kind of antenna I had when growing up. We concluded the QSO, and I knew that I had a good luck key. I immediately made a new friend the first time I used it.

Since then I have made a number of QSos with it. Originally I planned to use it for special purposes. I already have a beautiful N3ZN HKII. However, I can’t stop using it. It feels nice and snappy. It reminds me of my grandfather. And I restored it myself, with some help from my fellow hams. The key has come full circle. A company in Philadelphia manufactured it, the U.S.S. Pyro carried it around the world, then years later I bought it from a seller from Maryland, and it has returned to Philadelphia. I imagine it feels happy to have a peaceful new life in the amateur service.

Running the Holmesburg Amateur Radio Club Weekly Net

October 06, 2021

Ham radio has a sense of tradition. I appreciate this more as an adult. As a fourteen-year-old I just wanted to get on air.

I had upgraded to my technician and general class license. This happened around 1991, before the restructuring. Upgrading to technician meant that I could finally go on 2 meters, the popular band with all the big local repeaters. A repeater takes a weak signal from a walkie-talkie, which we call an HT, and repeats it so people can hear it over a wide area.

I got a Kenwood TH-F6A for Christmas. It looked like a big walkie-talkie, with an odd rubber button for the push to talk. It provided the best accessibility for the blind at the time, providing audio feedback through different beeps. I loved it. I remember going on a local repeater on Christmas afternoon, W3UER if memory serves. I could already talk to them through their 220 MHz link, but now I could get on 2 meters like one of the big guys.

A few months later I stumbled on the WM3PEN repeater. It sits atop a building at the University of Pennsylvania in the city. They had their weekly net going on, like a round table, and I tried checking in. I had trouble making the repeater from Swarthmore, a suburb of the city.

“Try standing on your bed.”

suggested a helpful ham. As a kid I thought nothing of it, and shamelessly jumped up on my bed. It may have helped. Either way, I remembered the frequency 146.685 MHz and the helpful people there. Some radio clubs did not treat me so kindly.

When I got back into the hobby in 2019, I found myself in a much different place. Now I lived in a condo in the city. This means no outdoor antennas. I began with the antenna which came with the radio, a coil of wire with rubber around it. We call this a Rubber Duck. I got the Diamond SRH320A, an upgraded rubber duck, and thought I’d try going on air.

To my delight I found a repeater on an old frequency I remembered, 146.685 MHz. They had a net going on, like a round table. A nice sounding man ran it. He gave his name as Charlye, K3CJ. The first week I felt too scared to check in. The second week I started to warm up. Finally I decided to give it a try. Charlye asked for checkins a number of times, and after the regulars gave their call signs I decided to make my first transmission. I felt so scared.


“You’re a bit quick on the trigger! Can you come back with your call a little more slowly?” K3CJ had heard me. No going back now!

“This is kilo alpha three tango tango tango.”

It went from there. Charlye advised me to upgrade to a better antenna, so I did, first to a J-pole and later to a vertical. I started checking in every week. I soon discovered the Elmer Net which preceded the main net at 07:15 PM, later moved back to 07:00 PM.

A cool guy named Steve ran it, W3AZT. As he drew to the one hundredth net he announced that he would stop after a hundred to attend to his Mom. The final net soon came, and we did not have a plan. I wondered if I should offer to run it. I felt a little hesitant because I have to deal with headaches, and don’t know how I will feel on any given day. I needed a backup. As I thought this, my friend Cliff spoke up.

“This is KC3PGT, and I can run the net, but I can only commit as a backup.”

That did it. The net drew to a close.

“Well, we’re reaching the end of the net, and I don’t know what we will do next week.” said Steve.

“I’ll do it.” I responded.

I ran the net up to #137, and Cliff thankfully filled in a few times. We had a great time. Little did I know what this would prepare me for.

A few weeks ago, we received the sad news that Charlye would retire from running the net at the end of the month. He ran it since 1998, 23 years. As the only remaining full time net control, it seemed logical that I should take over the main net. I didn’t feel like doing any ham radio stuff for at least a week. My brain needed to process this. I felt good after a lot of thinking and a well run board meeting. I plan to combine the best parts of the Elmer Net and the general net. I don’t know exactly what I will do, but I hope you will join me. I will listen for you on the Holmesburg Amateur Radio Club Weekly Net.

It feels surreal to run the net that I remember checking into as a kid. The cycle continues in the world’s greatest hobby. 73 (good luck and best regards) to Charlye, K3CJ. 73 to the Holmesburg Amateur Radio Club. And 73 to whoever told me to jump up on my bed.

My Vibroplex Bug

September 15, 2021

The Straight Key Century Club (SKCC) does all of their work using mechanical Morse Code keys, as opposed to the electronic keys invented later. Most people will recognize the old telegraph key, where the person controls the dots and dashes. In 1905, Horace Martin had an interesting idea. He invented the semi-automatic key, which we call a bug.

A bug has a pendulum to form the dots. Pressing a paddle to the right activates the pendulum. Pressing the paddle to the left acts like a straight key for forming the dashes. If this sounds kind of strange then you have the right idea. This quirky instrument intrigued me, and I resolved to try one.

I took a trip to the Ham Radio Outlet in New Castle, Delaware. I wanted to try to return some things, and maybe buy some things. I met Ron and Mario, sorry I don’t have their calls. They did the best they could to accommodate my returns. If I had known that I only had ten days then I would have handled everything differently. Of course, then I wouldn’t have gone.

I asked about the Diamond X50A which I would eventually buy. I should have bought it on the spot, but I still didn’t quite know how I would mount it. As it turned out I mounted it perfectly on my window sill using the counterpoise as a tripod.

My friend Meg looked at some cool solar panels. I chatted with Ron and Mario. Eventually she asked if I had anything else I wanted to ask. We had driven there in the rain and they really did do their best with the returns. And admittedly, part of me wanted to buy something, like a kid at a toy store. I had an inkling.

“I’ve wondered about Vibroplex bugs. Do you have any?”

“Actually, we have a used one.” said Ron.

I knew I had to buy it. I asked if they could please take it out so I could touch it, since I can’t see it. I made it clear that I intended to buy it. They got it out and opened the box, and for the first time I touched a Vibroplex Original Standard Bug.

It really does feel like something invented at the turn of the last century, like an intricate pocket watch. It has a rectangular metal base. The pendulum arm sits towards the front of the base, with the paddle coming off the front. The paddle has two parts. On the left, it has a thumb-shaped piece of plastic. On the right, it has a plastic knob used for a straight key, but turned on its side, with the flat part facing outward. The pendulum’s weight sits at the back of the base under a metal hoop. The left side has three adjustment screws. The right side has one screw and the two contact screws for connecting it to your radio. Luckily I already had the proper cable. Vibroplex sells them. Perhaps coolest of all, you can hear the pendulum make the dots.

“It’s beautiful!” said Mario.

“That was Ken’s right?” one of them asked.

I learned that this key came from the estate of Ken Hartley, N2OHD, the former manager of the store. Meg recalled seeing a sign as we came in. He died at age 72.

“It’s as good as new. Ken was one of those hams who bought a lot of things and never used them.” said Ron.

“It’s beautiful!” repeated Mario.

I bought it and took it home, but quickly realized that I needed some help. I’ve adjusted all my other keys by touch, and figured if I fiddled with the screws enough then I would figure it out. Before I knew it I had reduced it to a nonfunctional mess. I emailed the SKCC. I knew they’d help, and sure enough they did. I received several helpful replies, and even offers for telephone training. One reply described the layout perfectly, and after some more fiddling I began to understand.

The bug sends and receives high speed code. I got it down to about 23 WPM, but I wanted to reduce it further. I purchased a Round Arm Vari-speed Accessory from Vibroplex. It adds an extra weight to the arm, but requires more adjustment. The heavier weight can cause bouncy dots. After a lot of practice I finally got it sounding good sending around 15 WPM.

The SKCC just had their Weekend Sprint, a relaxed contest which they have once a month. Each sprint has a theme, and for this month club stations counted for bonus points. I wanted to activate WM3PEN, the club call for the Holmesburg Amateur Radio Club. I had a headache most of the weekend, and I can’t do CW with a headache, but on Sunday night I felt well enough to drag myself on air, and to my delight I made three QSOs using my bug. I think Ken would have approved.

 When a ham becomes a silent key as we euphemistically refer to it, the ham radio community distributes their equipment. I promise that his bug, now my bug, will get plenty of use.

Adjusting the Bug

I wanted to give a quick reference in case any other hams, blind or not, wander upon this article. As noted before, the bug has three screws on the left, and one on the right. They perform the following functions, going from front to back on the left.

  • Dash gap
  • Dot tension
  • Dot pendulum gap
  • Dot contact gap

The right side has the screw to set the dash tension. The weight goes on the arm and has a screw to tighten it. The closer to the end of the arm, the slower the speed. If you use the Vari-speed accessory, it screws on to the end of the regular arm, then the weight goes on that. The vari-speed has a screw which tightens it. Use the included allen wrench to unscrew it, slide it onto the main arm near the end, then position the vari-speed’s arm and tighten the screw.

Setting it requires getting a feel for the way the four settings relate. The dot gap and dash gap complement each other, as do the dot tension and dash tension. The dot gap and dot contact control the length of the dots. Many people get this wrong, resulting in so-called machine dots. Use an electronic key for reference. I first set the gap, then adjusted the contact, which also changed the tension. Easy does it… Each screw has a metal ring to lock it in place. Make sure to do this once you’ve found a good setting.

The pendulum requires a certain amount of space to get enough force to swing. If you set your spacing too narrow you won’t get a long string of dots, just a sad V. If you set it too wide it will cause extra force, then you will get bouncy dots. I’ve found that bouncy dots can also happen from setting the Vari-speed too far up the main arm.

I hope these notes help someone. I love the idea of sending high speed code mechanically. Why not!

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