As we evolve so we become reliant on technology to keep us safe. It’s not uncommon in the first world to see and hear about blackouts in large cities. Although we have moved on to use electricity more efficiently it still does not stop the havoc that can be caused by natural disaster, mudslides, earthquakes and tsunamis. We have become so used to having power on 24/7 that there is usually pandemonium when we do lose power to our home, town or city. We wrote about communication in an earlier article but what about the GPS?
The impact of Modern Telecommunications
I am sure that to many ex-operators throughout the world we lived in shared the same exciting times 30-40 years back as we do today, in fact moreso because we had to make it happen. Modern telecommunications rely on dialing the correct number and that’s about it. This page is dedicated to the old operators, in fact it’s dedicated to the technology that served us so well up to not even 30 years back.
I was onboard a merchant vessel in the southern part of the North Sea when the Piper Alpha went down. I recall the 500 and 2182KHz auto-alarms going off in the later part of the evening and sitting up for what may have been hours picking up inter-ship and coastal radio stations repeating the distress calls of earlier on and giving updates. I recall reading in the papers thereafter of the events that lead up to the tragic loss of nearly 170 lives. I recall the crew having not followed the chain of command, the miscommunication on the platform and nearby platforms and the ensuing inferno which engulfed the Piper Alpha. It was something which could have been prevented but wasn’t. But what holds me interested nowadays is not how this happened but how perfect the radio communication was at the time. Not the electronics but the discipline.
Young radio officers were taught to communicate effectively in morse code and phonetics, the use of Q-codes, telecommunications, radio theory and the saftey of life. Moreso, SOLAS – the Safety of Life at Sea. There were silence periods on a watch, although only three minutes every 15 minutes, on the hour and every half hour for 500KHz and at 15 minutes past and every half hour thereafter for 2182KHz. Just how many lives this simple but very important international regulation saved will possibly never be known but it would be in the thousands. Often late at night the auto-alarm would sound from ships in distress, I recall once being over 1000 nautical miles from Singapore when a relayed distress message was sent from Singapore radio on 500KHz. The Asian operators learnt two morse code sets, ours in English and theirs, the most significant being the Japanese and Koreans. Yes, there were others – morse code was not a difficult language to learn, transmitting it precisely was. One knew the operator by his style.
One learnt not to play around with bug-keys, if you transmitted too fast to Postishead Radio in the UK, they would send back to you at a speed that may not have been intelligible. You learnt to grow up – there were rules to follow over and above international law, radio etiquette. Puerta Rica Coast Guard was not to be trifled with – they were very fast operators and not for the novice operator. In fact in my early years to work a USCG operator was scary business, more so than driving a car for the first time. Portishead was the most polished, without a doubt. Australian operators worked the AUSREP system and you didn’t forget to send reports. A very ingenious system which must have saved thousands of lives, likewise the AMVER system which if I recall correctly was controlled by the USCG. The AMVER system was an international system and all vessels were encouraged to participate, not only so big brother could watch your movement.
I can go on and on about the preciseness of radio communication through the 20th century until the late 80s.Operators were qualified and most took their work seriously. There was a benchmark and if Portishead found you weren’t following a minimum requirement you would be reported and there were dire consequences, likewise the USCG and most of the other larger radio stations. Telecommunication at the time only had one downfall – the ionosphere. Fundamentally the depth of the ionosphere was the deciding factor on which frequency to use. I over simplify but the fact remains, telecommunication wasn’t an up and downlink through a transponder or satellite. The question I ask myself now is how strong is our communication system in a time of peril? There are some countries, the US being one which has a very strong and hugely active civil defence program. I live in a country which I believe has one but we know will never be strong because our military is weak. How would the civilians on our planet react if we had no system to work with? People have used the cellular network to save lives but what happens in a major event such as the Tsunami that hit the Asian coast not that long back?
I believe sincerely that we should not just pack the old WT and RT systems in a box because modern technology rules. Modern telecomm is all around close suscribed networks – WT and SSB was never designed for this purpose. I stand corrected but I believe certain aviation routes still carry older radio systems for communication.Yes, the older systems were slow but they were reliable at the hands of a qualified operator. Modern operators do not necessarily have to go through stringent tests to operate a cell phone, 3G, 4G or land-line link. It’s all at the press of a button. In civil defence and here I am talking about natural disaster, possibly, just possibly we are setting ourselves up for disaster.
I was thinking now recently about how our lives have changed through the internet, how cloud computing has become this amazing Messiah. As dangerous as our electricity in the time of a blackout. We are pushing the limits when it comes to technology but forget how infallible this is. How many movies have you watched over the last ten years where the world is doomed until the trusty CB set is whipped out of mothballs. It’s not really as far-fetched as one would like to believe. Maybe we have become too clever for our own good. Ships and aircraft are still sinking and crashing in these modern times although technology has moved on. I fear for the time when we do not have power, we do not have a reliable cellular network and maybe, just maybe your local telecomm cables are all down. Believe me, it has happened.
It’s time for the managers of cities, towns and local government to tell their fellow citizens what they have done to prevent a total communication blackout in a time of crises. Radio should never be put into mothballs – it still plays a very powerful tool in modern society. The old radio systems added a touch of class to life, it was interesting, it was exciting and in this there were many tens of thousands of people that put together systems which could save lives. At present there is only one body that could be of assistance in a time of civil crises and that is the ARRL or local Amateur Radio Ham.
For the student or enthusiast of radio telecommunications of yesteryear I have added some very informative links below:
- Portishead Radio GKL/GKA etc
- Scheveningen Radio PCH in Dutch
- Wick Radio GKR
- Martime Radio Historical Society
- International Radio Day (there is no ZSC – see link below)
- Cape Town Radio ZSC
- The Radio Reading Room
- Chatham Marconi Martime Center
- Scheveningen Radio PCH
- Coastal Radio Communications PCH
There were virtually hundreds of large radio stations in operation through the 60s, 70s and 80s. Most communication in my day was through Portishead, Chatham, Amagansett, Scheveningen, Oostende, Cape Town, Durban, Choshi, Seoul, Perth, Sydney, Guam, Puerta Rica, Mauritius, Singapore, Dakar, Walvis Bay, Keelung, Hong Kong, Roma, Athens, Haifa, Madrid and many more but I am afraid my memory escapes me.
I’d like to keep this page open to comments. I see many pages of radio stations from a bygone era but I’d really like to consolidate this under a united banner – I’d like to see radio stations from Russia, Germany, more about Cape Town Radio – remember they controlled radio traffic through the southern sea route, a very important setting through WWII, also Mexico, Brazil, Spain, Portugal, France, Egypt, Argentina – the USCG stations of course held a special fascination for me, likewise radio stations placed on islands thousands of miles from nowhere – the operators were always very friendly and helpful. You had to be, modern technology has obviously changed this for the better and possibly the loneliness is now a thing of the past. (think the dark, unfriendly waters between Australia and South Africa, those that travel alone have balls of steel).
You can contact me through this website.
Thank you for reading this article.
Jets and Gas Turbines
There are three things that fascinate me: Steam turbine engines, Jet engines and Electric motors. By far the most fascinating, for most people actually – is the jet engine. The noisier the better. More noise equals more power? Actually, no. Pity!
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The Same Old Story
I’m thinking about writing a book for technicians working the field called “The Same Old Story”. How many of you have gone to visit a client, did a repair and then only to be called back the following day because “you messed something up.” Let’s go through the list, see whether you see yourself in this picture.
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A Madcap look at Radio Valves (Thermionic tubes) – part two
While I am on a roll decided to write up part two of this series. Some idiotic things you can get away with when working on valve or tube equipment. (Yes, I forgot to tell you in part one that they are the same thing – American = Tube and Europe, more so the U.K. = Valve, both thermionic devices). I mentioned the story about the transmitter set incorrectly but how about a disconnected aerial. The ship had a ‘bird-cage’ aerial, see fig one below. These were very popular on merchant ships.
A Madcap look at Radio Valves (Thermionic tubes) – part one
I think everyone over the age of 40 should be culled! Youngsters at work have never heard of the Holocaust, the Berlin Wall and now, thermionic tubes. Remember the book Logan’s Run? Sometimes I think I am in the book. Well for starters when I was about 13 I took up electronics as a hobby – finances at 13 don’t normally allow one to build snazzy circuits but I do recall getting a lot of parts from my dad and grandfather both whom were avid tinkerers. Remember the OC71, the OC72, the AD161 and the AD162? The OC71 lead to disasterous results when used in amplifier circuits once the layer of black paint becamse scratched. The OC series were old MULLARD devices but due to cost ‘tinkerers’ kept to thermionic tubes/radio valves. Can you imagine that today?
Radio Valves (Thermionic Tubes) – For better or worse!
Read recently where the author claimed the radio tube was an analog device. I find that rather peculiar – what would make a ‘tube’ an analog device and a transistor a digital device? It all depends on the biasing!
Akai M8
Many years ago my father owned an M8 – it was an expensive piece of equipment in those days, I recall it was about 1966/67 and he purchased it from proceeeds made from the profit of a sale of a house. What fascinates me now about this piece of equipment definitely wasn’t the power but the quality of the sound – these units only delivered something like 2 x 6 watts to the loudspeakers but good quality vinyl on a turntable (I remember Cat Stevens music) produced some really good audio.
I often think about all the hype associated with thermionic tubes versus semiconductors these days and although I built a few speaker busters in my hay day, the amplifiers on this unit would really have been a good add-on to my sound system now. In those days I think the Akai M-8 went for something like 300U$ and guess what – that’s what they still reach today – in good working condition.
My dream is to go into a pawn shop and pick one up for 50U$ but this will remain a dream – I think most pawn shop owners know what valve amplifiers are worth these days – a pretty penny. The Akai M-8 had two removable class-A modules or monoblock units as I believe they are called now. So for anyone out there looking for a fine solution to their wanting a tube amplifier problem – look for one of these.
I’m looking for the schematic of one of these – hopefully someone can send me a link or the actual schematic – it’s time to do some cloning.
Is the Computer a Curse
I write this post being an avid believer that computers must work for us, not the other way round but also realise that there are other things besides computers which should be on one’s agenda when learning special skills. I always ask my partner “who will grow the beans one day?”. Where do I start?
The small s in BRICS
To Build or not to Build
[Editor's comment: for visitors from countries outside BRICS the wiki article found here is fairly detailed and outlines the BRIC or now BRICS strategy (as coined by Jim O'Neill, Goldman Sachs]
An article in the Time magazine inspired me to write this: Obama wanting to get more manufacturing in the USA, not only for the financial reward but more innovation. I agree with this. I live in RSA (republic of South Africa) a country where free enterprise is stifled by unions and the labour act. Oh yes, and millions of lazy people. Where we do have some form of manufacturer it’s normally along the lines of some state subsidised endeavour, not always but quite often.With Cape Town’s Vision 2040 I ask myself what happened to Stellenbosch, our own little village of intellectuals and Silicon Valley Wannabes. I don’t care for BEEE and neither do the thousands of black south african intellects. I often hear about Cell C CEO Alan Knott-Craig (ex-Vodacom) being an opportunist but the joke is on the joker, his sentiments are heard – my money is always on the doer and not the speaker. I’d vote him into Telkom (the local government backed telecomm’s giant) and let him do the necessary, cull the top dogs, improve efficiency (which should not be too difficult considering that they run at about 1%) and start showing some innovation. Yes, my DSL line was down for two weeks – try this trick with any ‘proper’ privately owned company relying on services to generate revenues. Without a proper telecommunications backbone we are back in the dark ages, with Dark Fiber Africa or not.
Brazil’s President Dilma Rousseff, Russian President Dmitry Medvedev, Indian Prime Minister Manmohan Singh, Chinese President Hu Jintao and South African President Jacob Zuma hold copies of the BRICS report at the summit in New Delhi yesterday (Photo: Reuters, article here.)





