Monthly Archives: October 2022

Partial Solar Eclipse of 25 October 2022

On 25 October 2022, there will be a partial solar eclipse over most of Europe, northern Africa, the Middle East, and western Asia. While not nearly as spectacular as a total solar eclipse, if you are in the area where the eclipse will be visible, it is certainly worth observing.

Since the sun is never completely obscured, it is dangerous to look directly at the sun. However, you can view it indirectly by projecting it, as shown in this picture. You can use a pair of binoculars or telescope to do this. You do not look through the binoculars or telescope. Instead, you point the binoculars at the sun, and point the other end at the ground or other flat surface. You will then see a projected image.

While this picture shows a relatively expensive telescope, this is not necessary.  A good image can be projected with even a pair of toy binoculars.  See the NASA website for more ideas on viewing the eclipse.  You can also view our page from the 2017 U.S. eclipse.

The eclipse will be visible first over Greenland at 08:58 UTC, and will end over India at 13:02 UTC. The peak eclipse will be visible over Siberia at 11:00 UTC. To find the exact times for your location, use this interactive map.

Those with an interest in radio will want  to experience how the partial eclipse affects radio propagation.  During the 2017 eclipse, I found that there was a very noticeable effect on propagation on 40 meters.  Those with just a mediumwave or longwave receiver will probably discover that stations normally heard only at night can be picked up during the day, due to the eclipse.

Solar eclipses and lunar eclipses come in pairs, about two weeks apart.  The corresponding lunar eclipse will be visible in North America on November 7-8.



First Flight From Aircraft Carrier, 1922

USS Langley. Wikipedia photo.

USS Langley. Wikipedia photo.

A hundred years ago today, October 17, 1922, marked the first time that an aircraft took off from a U.S. aircraft carrier, the USS Langley (CV-1).  While aircraft had previously taken off from ships, this was the first time that a ship specifically designed for that purpose had been used.  The ship had previously been a collier in World War 1, and had been newly converted.  That first plane was piloted by Lt. Virgil C. Griffin.

The ship had served as a collier in World War I, and was converted to a seaplane tender prior to World War II, in which she also served.  The ship was damaged in 1942 and scuttled.



Signal Corps Recruiting Ad, 1942

Eighty years ago this month, the October 1942 issue of Radio News carried this ad announcing that the U.S. Army Signal Corps was open for direct enlistment.  As long as they had not received notice of induction, young men ages 18 and 19 could sign up, as long as they were physically fit.  And up through ages 45, men with some experience in the communications industry could enlist as long as they passed the physical exam.

The ad appears to be paid for by Hallicrafters, probably as a way of keeping their name before the public, despite not being able to sell their wares for the duration.

 



1942 2-1/2 Meter WERS Transceiver

1942OctQSTEighty years ago this month, the October 1942 issue of QST featured on its cover this transceiver for the 2-1/2 meter WERS band.

The set was designed by George Grammer, W1DF, and the operator shown here is John Huntoon, W1LVQ, later W1RW, who was then communications manager of the ARRL. Huntoon went on to become ARRL Secretary and General Manager.

The three-tube transceiver was typical of designs of that era, with a superregenerative receiver that could be put into service as a transmitter at the flip of a switch.

1942OctQST1



Preparing for Nuclear War

According to President Biden, until now, “we have not faced the prospect of Armageddon since Kennedy and the Cuban Missile Crisis.” This appears to be one case where the President is right. While I don’t think that a nuclear war is likely, it is certainly possible, and more likely than it was a couple of years ago.

When the subject of nuclear war comes up, it seems to prompt a great deal of fatalistic resignation. Of course, if someone is within a mile or so of a nuclear blast, then they will almost certainly die, no matter what precautions they take.  And within a certain distance, their situation will be dire, with even very great precautions.  But for a certain segment of the public, there are a number of things you can do to increase your chances of survival.  And in many cases, minor preparations might increase your chances significantly.

It seems to me that if the United States is attacked with nuclear weapons, it is quite possible that it will be a limited attack. I’m not sure if the Russians still have the capability of delivering an end-of-the-world style attack on all of the country’s population centers. On the other hand, they (and a few other countries) almost certainly have the capability of successfully attacking a number of critical targets.  It’s also quite conceivable that there will be an attack against other countries, which would result in worldwide supply chain disruptions.

Therefore, it seems rather plausible that there would be scenarios under which much of the country is untouched by the immediate effects of nuclear weapons, but with disruptions so great that many systems would cease to function. These could include the power grid, communications systems, and transportation systems. That means that a lot of stuff that we can normally get from Walmart or Amazon won’t be available.

Americans are resourceful, and they’ll generally figure out some kind of substitute. For example, if you don’t have fuel to heat your home, you can always resort to the time-honored tradition of burning your furniture.   If there’s no gas for your car, then you can just walk if you really need to go somewhere.  And if the water stops running, you can catch rain water, or even get water from a local lake and boil it.

Emergency Food Supplies

YourChanceToLiveFoodBut one thing that doesn’t have a very good substitute is food. Most Americans have a surprisingly large amount of food in their house at any given time, but it won’t last forever. And one thing that will happen is that you’ll quickly run out of major staples. If a can of pumpkin and a bottle of ketchup is all you have in the kitchen, it will certainly sustain life for another day. But it would be better if you could produce something similar to your normal diet. And eventually, you’ll eat the last can of pumpkin.

When I did the Ration Challenge, one thing I discovered is that you can eat reasonably good meals at a very low price. My diet for a week consisted mostly of the following items, and the quantities below would be about the right amount for one person for one month.

If you look for sales, you can probably do it cheaper, but those ingredients will cost you about $30. Together, they will ensure that one person will have enough food for one month. And, of course, you have other food in your house to add a little variety.  (In particular, I discovered that if you are subsisting on a diet of rice, lentils, and chickpeas, it will be  lot more palatable if you have some chicken bouillon.)

Most of these items can be stored essentially forever, but they are also items that you will use in your normal diet.  So when you use a bag of flour from your emergency storage for normal use, you can just buy another bag to replace it.  And if items do get close to their expiration date, you can donate them to the food shelf and buy a replacement.

With just these items available, you’ll survive a famine.  Even if your diet is going to be  potentially lacking something, it probably wouldn’t hurt to stock up on some multivitamins.

If you have more people, or want to make sure you have enough food for more time, you can add.   The amounts shown above are about what you would need for one person for one month.  So if you have four people and want to guarantee that they can eat for three months, you would multiply the quantities above by twelve.  And, of course, your tastes might vary, and you might want to substitute. For example, if you like oatmeal, then about 25 pounds of it will provide all of the calories you need for a month. You can go to the dollar store and buy it today. It wouldn’t be a particularly balanced diet, but you would survive. Think of it as insurance. For a small premium you pay today, you know that you will have food for yourself and your family. And you will also be in a position to help feed your friends and neighbors. It’s one thing to declare that you’ll allow yourself to starve to death after a nuclear war. But wouldn’t it be more humane to have some ability to help others?

Other Supplies to Consider

FEMA has some good basic information on their website about how to prepare for a nuclear explosion. They include a list of supplies for a disaster. You probably already have most of them, but we would be remiss in not mentioning a portable radio, since it might be your only source of information in an emergency. We’ve covered that topic previously, and your most economical option is a battery-powered radio and a lot of spare batteries. But especially in a situation where batteries might never be available again, you might consider getting an inexpensive solar and/or crank radio, such as the one we reviewed here.  (And don’t forget a flashlight, hopefully one that takes the same batteries as your radio.)

Having Information on Hand

In peacetime, the Internet is an excellent source of information, and one particularly good resource to have available in an emergency is the book Nuclear War Survival Skills. But, of course, after the first bomb drops, it’s quite possible that there will no longer be an Internet. It doesn’t cost anything, so it wouldn’t hurt to download a copy now to your laptop, tablet, and/or phone. You can get it free at this link.  We have more free survival books you might consider downloading at this link.

Potassium Iodide

On your list of things to worry about during a nuclear war, the effect of radioactive iodine on your thyroid is pretty low down the list. But the cost of protecting your thyroid is extremely low, as long as you plan in advance. Therefore, we also recommend buying some potassium iodide for use in a possible future emergency, and we have more information at this link.

Measuring Radiation

Once you’ve downloaded Nuclear War Survival Skills, you can begin constructing your Kearny Fallout Meter, a homemade radiation detection device.  However, it’s a rather time consuming design to duplicate, and requires some patience to operate.   Fortunately, you probably already own the hardware required for measuring radiation–your cell phone.  The phone has a camera, and it turns out that most cell phone cameras are sensitive not only to visible light, but to gamma radiation.  The GammaPix app puts this phenomenon to work and uses the camera to measure radiation.  (You need to cover up the lens with electrical tape to prevent visible light from interfering with readings.)  You can purchase the full version for about $6.99 for Android or $14.99 for Apple, and there’s also a free version available for Android.

For more information about the app, see the review at Popular Science.  Of course, in the absence of a radioactive landscape, I haven’t really been able to test it, but it does appear to function.  In an emergency, at the very least, it would allow you to find areas with lower radiation, even if you couldn’t trust the exact numbers.  And from the reviews I’ve read, the actual numbers are apparently fairly accurate.  It seems like a prudent thing to download prior to an emergency.



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1973 Grocery Prices

1973Oct13PghPressFor a snapshot of grocery prices in 1973, this ad for Giant Eagle appeared in the Pittsburgh Press, October 13, 1973. The prices look like bargains, but according to this online inflation calcualtor, one dollar in 1973 had the buying power of $6.67 in 2022. So the ground beef for 99 cents a pound works out to $6.60 a pound in today’s money.

Bananas at a dime a pound work out to just 67 cents a pound, so they were a pretty good deal. What would you buy for dinner in 1973? And when you take inflation into consideration, how do the prices compare to today’s prices, which you can find on Amazon?  (You can click on the image above for a full size version.)



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1922 Portable Crystal Set

Screenshot 2022-10-04 12.32.18 PMA hundred years ago this month, the October 1922 issue of Popular Mechanics showed this portable radio receiver suitable for Boy Scouts, campers, yachtsmen, or vacationists in general. The set was contained in a box measuring 6 by 6 by 3 inches, and featured a crystal detector tuneable between 100 and 600 meters (500 kHz through 3 MHz). It was said to be able to pull in stations 25-30 miles away, and included ground and antenna wires, as well as a ground stake. It could be set up in 15 minutes.

It was a product of the Bleh Co., Inc., of 53 Park Place, New York.



1942 Boy Scout Civil Defense Messenger

1942OctBLEighty years ago this month, this unnamed Scout performing his civil defense duties is shown on the cover of Boys’ Life magazine, October 1942. His armband is the insignia of a civilian defense messenger, but all we know about him comes from his uniform, that he is that he’s a Patrol Leader of Troop 3 in Mt. Vernon. Unfortunately, there are dozens of towns named Mt. Vernon in the U.S., but his uniform doesn’t indicate the state.

This issue of the magazine talks about other Scouts engaged in defense related activities, but doesn’t specifically talk about the Scout on the cover. But the magazine gives an important clue, namely, the identity of the photgrapher, Emil Brodbeck, whose Amazon author page reveals that he was obviously an accomplished photographer.

According to Brodbeck’s 2003 obituary, he was born in Mt. Vernon, New York, and resided there until 1987. And according to this newspaper article, there was a Troop 3 in Mt. Vernon, NY, in 1955. So it seems very likely that this Scout was doing his part to serve the citizens of that New York community.



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Science Fair Idea: More Conductive Flames

1937OctPSWe’ve previously shown a science fair project showing that a flame conducts electricity.  (And if you follow that link, you’ll see links to even more spectacular projects involving electricity and flames.)  But the one shown above, from Popular Science, October 1937, is even simpler.  Junior will undoubtedly amaze the teacher with the simple elegance, and very little preparation is needed.

Because the area around the open flame is conductive, the two strips of paper will quickly discharge in its presence.  But when the experiment is repeated with a screen between the paper and the flame, there will be no effect.

All you need is a candle, a couple scraps of paper, and an old piece of screen.  And, of course, don’t forget to give your young pyromaniac a box of matches.



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Young Ham With Bad Timing, 1941

1944JunePMAmateur radio was off the air for the duration during World War II, but a lot of young men were interested in radio (not unlike the ones shown above in a previous post.)  One of them had a really bad luck with timing, and received his ticket on December 6, 1941.  He wrote the following letter, which appeared with a response 80 years ago this month in the October 1942 issue of Radio Craft.

Dear Editor:

I feel that I have been cheated by the Japanese. or Germans, or the F.C.C. or someone. To explain this I will have to give you some of my past history.

I became interested in radio in the winter of 1939. I listened to amateurs on the short-wave end of my broadcast receiver. I also read radio books here and there for about a year. I got a telegraph set and learned to send up to about 12 w.p.m. on it. Then I got a key and buzzer. In May of 1941 I built a two -tube battery radio and had much trouble with it. I did not get it
to operate until July, 1941. Also in May I bought a license manual and radio amateur’s handbook, and rented a Teleplex instrument. It was two months before the Teleplex came, because of war needs. I studied in all of my spare time until September 22, 1941. That day I went 165 miles to Dallas and took my examination. I passed the code exam swell and I figure that I made about 85 on the questions.

From then until December 6, 1941, the day when my licenses came through the mail, 1 built my station. I bought a Sky Buddy receiver and built a 25 -watt transmitter and a lot of other equipment. The only thing was that my antenna was broken by a high wind and replacement had to wait several days before I could get some more of the right kind of wire. On December 8, ‘I finished it and was ready to go on the air for the first time in my life. I was excited all over. I had been waiting for this hour for two years. Then I heard over the broadcast receiver about the F.C.C. closing all amateur stations. You can imagine how I felt.

Between December and February, 1942, I did not see a R & T. magazine. Without it, I could not read about what was happening in the radio field. Now I have forgotten nearly all I knew; I can’t send or receive over about 10 w.p.m.; I have forgotten most of the ham slang and everything. I am very unhappy. I suppose a lot of other amateurs are, too.

The government claims it uses the amateur bands for aviation and army use. 1 have a good communication receiver and I search all over the amateur bands and I can’t hear anything. Not even a telegraph signal. Why can’t the F.C.C. give us amateurs just a little space to operate. For instance, they could give us back the 160 – meter band and not let us use over 40 watts input and operate only during a certain period of the day.

There are a lot of amateurs in the army and on defense jobs, but there are still some left, like the ones under 17 and over 64, or the blind, deaf, or disabled, who love amateur radio.

I am 14 years old. It will be at least three years before I can go to war. If I could get on the air and Use radio equipment and become experienced enough, I would be able to operate a radio in the army. I have my licenses, but I have never been on the air, and have not studied radio since December of ’41.

Isn’t there some way for us to get on the air, at least to learn?

GILES EASLEY,
Calveat [Sic, Calvert],Texas.

(Your letter stresses the nuisance of war but fails to consider the seriousness of war. If an amateur band were opened it would require constant vigilance to see whether advantage were not taken of this liberty by enemy agents, and the F.C.C. is too busy for that.  Undoubtedly you can find other amateurs in your vicinity who may be able to meet with you for occasional code practice–even if its only on an audio oscillator. You should have more time now to study the technical phases of radio and to do some experimental work which will be valuable to you later on. Perhaps your local Civilian Defense group will find use for your services, either for constructing or operating emergency transceivers. -Editor)

It appears that the author did eventually get on the air. The 1952 call book lists a Giles M. Easley of Silver Spring, MD, being licensed as W3SSG. According to the Social Security Death Index, he died in Texas in 1985 at the age of 58. His gravestone indicates that he did, indeed serve in the U.S. Navy in World War 2.