Sky’s Blog

Someone asked today about the meaning of “73” as used by amateur radio operators. It essentially means “Bye” or “Best wishes” and is used when you’re done talking to someone and signing off…as in “I’ll say 73 for now.”

I remembered that 73 was a “message number” as used by amateur operators in the 1950s when I got my license, so I looked further.

I got the lead I needed from SignalHarbor who says that in the April, 1935 issue of QST magazine, on page 60, there is an article “On the Origin of 73” — and that is correct! I looked it up (ARRL members can read old QST issues online). They quote from “Telegraph and Telephone Age” 1 June, 1934 (which I could not find), and list the following message numbers:

• 1- Wait a minute
• 4- Where shall I start in message?
• 5- Have you anything for me?
• 9- Attention, or clear the wire
• 13- I do not understand
• 22- Love and kisses
• 25- Busy on another circuit
• 30- Finished, the end
• 73- My compliments or Best regards
• 92- Deliver

“It appears … that in 1859 the telegraph people held a convention, and one of its features was a discussion as to the saving of ‘line time.’ A committee was appointed to devise a code to reduce standard expressions to symbols or figures. The committee worked out a figure code, from figure 1 to 92. … ”

And, of course, “30” is used by lots of people, including newspaper writers at the ends of their stories. Since stories were originally wired or telegraphed, this usage of “30” makes a lot of sense.

So where does “86” come from then? One of my favorites, but it’s not a telegrapher’s message. Google it and see which theory you believe. It clearly means “removed from circulation” or “ended” but the theories of its origin are interesting and inconclusive in my opinion.

Geekiest of the geeks — amateur radio operators! (AKA “Hams”)

Inquiries or QSL “cards”  »  QSL@aa6ax.us or PO Box 27591, San Francisco CA 94127-0591

I’ve had an amateur radio license since 1958 when I was in sixth grade—back in Illinois. A bunch of old WWII veterans got me involved as a favor to my father (who was one of the “country doctors” for the area). I started studying the electronics theory and the Morse code when I was 10. Their club meetings were held in a smoky room over one of the downtown stores, and I routinely got sick due to the smoky air. Code practice was on the radio once a week, and I could borrow a perforated paper tape “code practice” machine to fine-tune by skills. It wasn’t easy to get the license!

As a geeky little introverted kid, amateur radio was not really my thing, though morse code (CW) was kind of neat and a fun challenge. It also meant I didn’t have to think of much to say. I never was much for small talk.

The image of ham radio operators is that they are the geekiest of the radio geeks – carrying around little hand-held radios, long whip antennas on cars, and the obligatory plastic pocket protector that all nerds use. Kinda true, but honestly you’ll find most of them are just the friendliest people in the world! And a lot of this friendly activity takes place “off the air” at various meetings. And getting involved in civilian emergency preparedness is really a kick. The NERT program, sponsored by the San Francisco Fire Department, has a whole group of amateur radio operators who participate in weekly drills and activities. And the Department of Emergency Management of the city also has a program that involves amateur operators as a secondary channel for the Fire Department in case of emergency (ACS).

What I found after getting more active again here in San Francisco is that it’s an interesting way to meet a real cross-section of folks from many ways of life, professions, interests, and actually it’s kind of neat to see whether a little 5 watt radio can really allow me to be in a mountain peak in the High Sierras (in the summer) and talk to a friend back in the San Francisco Bay Area.

One of my friends here in the East Bay is a true aficionado, and a great “found-items” artists as well. KY6R

Comeon‘ Apple — we all know “my phone has five bars and yet it drops calls all the time.” I call customer support on average once a month about this. They have even given me credits on my bill (not often). They have told me to download and use their app AT&T Mark the Spot to report poor-reception areas. Which I do routinely.

Now that Apple has announced that the reception measurement on the iPhone is incorrect (reading too high by about 2 bars in some cases), I no longer have an excuse. AT&T claims to have 10 towers within a 2-mile radius of my home office, but most of the time 2 or 3 of them are ”down” and besides, in San Francisco, over half of them are “behind a hill” from me so they do me no good. There are probably only 2 or 3 towers that actually give me any coverage in the office here.

But, Apple knew about the +2 bars problem a long time ago. It was reported in 2009. We were all seeing 2 or 3 bars, and then our software was upgraded and we were seeing 5 bars routinely (except when there were none). We customers knew that the iPhone was giving us more bars than it should have. So why did Apple not know this, or not see the change when this happened in the first place?

And Apple was surprised about this?

Any mobile phone is a mobile radio. And amateur radio operators, which we all are these days, know that if you touch (and thus “ground”) the antenna, you cause a change in signal strength.

See my post from yesterday on the art of Rich Holoch, KY6R.

See his photos directly on Flickr for even more.

Here is the second of his photo sets that I promised I’d feature: