Ever since we moved into the village of Eyke we’ve suffered with power cuts and power surges. It’s been that bad that we have a number of uninterruptible power supplies (UPS) dotted around the house to keep important things running when the power goes out.
Of late it’s been getting worse, not just the power cuts but, the power bouncing on and off very quickly for period of 10-15secs when the power comes back on. Unfortunately we had a particularly bad power bounce when the power came back on and it killed the main UPS for the IT equipment rack and also took out my RAID storage array that I use for backups.
On top of this the main server computer also took a hit and its solid state (SSD) drives started to fail. This left me in a position where I had no backups to recover from and had to get all the data off the running virtual machines (VMs) before the SSDs failed.
My old server that I decommissioned some months ago was now my radio shack PC and so had a desktop operating system on it and lots of HAM radio software installed and configured but, I needed to press it back into service as a server again, very quickly!
So after backing up the desktop data I rebuilt the computer as a server again and began the tedious job of building new VMs and migrating the configuration and data over from the old VMs.
You’re probably wondering why I didn’t just transfer the VMs over hole to the replacement server?
To do this I’d need to shut them down to get a clean snapshot however, when I tried it with a small, unimportant VM it became corrupt during the shutdown process and could no longer be transferred to the replacement server.
Not wanting to take the risk with any of the other VMs due to having lost all the backups, I decided to replicate all the VMs manually. Needless to say this isn’t a 5min job!
So, after a rather long week rebuilding everything I now have all the services up and running on the replacement server and the damaged server ready to be stripped down to an empty case and rebuilt from scratch.
This has meant that at times my M0AWS Blog, The Matrix server and other online services have been offline for short periods but, sadly there was nothing I could do about it. Unfortunately the national grid/power companies take no responsibility for such events and say they only guarantee the frequency of the mains power (50Hz) not the voltage!
The last entry in the old UPS log was an over voltage alert showing 1000v!
With a new UPS in place and online, we’ve already had a number of power cuts and it’s handled them well, lets hope we don’t get another big one!
Backups are now running again on external drives that are disconnected when not in use to protect them from power surges and all the services successfully migrated over to the replacement server.
More soon ….
I’ve quit Twitter/X, and am now part of the Fediverse. There are quite a few radio amateurs in the Fediverse, and if you’d like to follow me there, you can follow @kb6nu@mastodon.radio. Mastodon.radio is a space for radio amateurs and SWLs, but it’s not the only radio-focused Fediverse server. It connects with the servers listed on fediverse.radio, including mastodon.hams.social, a server here in the U.S.
Mastodon seems to have a much higher signal-to-noise ratio than Twitter. Here’s a few links I found and things I learned on Mastodon last night:
K8CX Ham Gallery. K8CX has an interesting collection of photos from Dayton, DX sound clips, and a QSL card museum. I’ve submitted a couple photos of me and the ICQ Podcast crew at Dayton 2024.
M17 Users mailing list. The home page for this mailing list says, “The primary assumption of this mailing list is that M17 is (in June, 2024) in usable (enough) form for actual deployment and use in amateur radio.” They believe that all the pieces are there now. Typically, to use M17, you’ll have to be “somewhat of an experimenter” to work around the inevitable glitches in using M17, but in the opinion of this list founder, “all the pieces are there now”.
44-foot doublet. Last night, there was some discussion of portable antennas, mainly the 44-ft. doublet antenna. This is the antenna that L. B. Cebik describes on the web page, “1 Wire, 7 Bands, 2 Directions, or The 44′ Doublet as a 40-10 Meter Antenna.” There’s a similar antenna out there called the NorCal Doublet. The NorCal Doublet uses ribbon cable as the feedline to reduce weight. These two antennas look like they’d be worth experimenting with.
See you in the Fediverse!
On Thursday, May 16, I attended Four Days in May (FDIM), an event put on by the QRP Amateur Radio Club International (QRP ARCI). The first FDIM was held in 1996, and QRP ARCI has held it every year since, excluding the Covid years. This year, nearly 300 people attended the event.
Like the name implies, there are FDIM events on Thursday, Friday, Saturday, and Sunday, but the main event is the series of talks on Thursday. These start at 8 am and run until 5 pm. This year, the talks included:
This radio is powered by a Raspberry Pi, specifically the Raspberry Pi Zero 2 W. This module costs $15 and runs Linux. Ashar says, “If Arduino was a matchbox RC car, this Raspberry Pi is an Airbus A380, both in terms of size and speed. It can run WSJT X, fldigi, and full-stack SDR.” The radio also takes advantage of the WiFi capablity of the RPi. There’s an app that runs on a smart phone that acts as a front panel.
At the end of his talk, instead of flogging a product, Ashar passed out a small PCB assembly called the sBitx Hat. Designed to plug into a Raspberry Pi, it includes an Si5351 clock generator and a 96 kbps, dual-channel audio codec. It looks it will be a fun thing to play with.
Unfortunately, Ross was unable to present, either in person or via Zoom. According to the paper in the proceedings, Ross was part of several peace-keeping missions to remote spots around the world. On these trips, he operated from many hotel rooms and gained quite a bit of experience doing so. For example, he writes that virtually all of his antennas are made from wirewrap wire, which he gets from Ali Express. To couple the wire antenna to the transmitter, he uses a Z-match tuner or a modified Z-match tuner called the FRI match ATU. It’s a shame that Ross wasn’t able to adress us in person, as he sounds like quite an interesting fellow.
After the talks, I decided to take a walk and stretch my legs. Just as I got to the street, I ran into a friend of mine, Arun, W8ARU, and Ashar, VU2ESE. We decided to walk together, and ended up walking about a mile and a half or so.
Arun and Farhan have been friends for many years. In fact, Arun hired Ashar to work for a company that Arun owned when he lived in India. (Arun now lives in Ann Arbor, MI, which is how I got to know him.) Arun once told me the taught Farhan how to solder. I confirmed that story at Hamvention last year when Ashar visited the ARDC booth.
In addition to all his development activities, Farhan recently joined the board of directors of Amateur Radio Digital Communications (ARDC), the private foundation that I retired from last May. We had a great chat about the future of ARDC and amateur radio in general, among other topics. It will be interesting to see in which direction the new board members take ARDC.
Thursday evening, FDIM holds Vendor Night. It’s a great deal for vendors. There’s no charge to participate as a vendor, and it’s a lot of fun. A couple of years ago when I did Vendor Night, I also shared a booth with the Dayton Makerspace on Friday and Saturday at Hamvention and ended up selling more books in 2 hours at the FDIM Vendor Night than I did in 2 days of Hamvention.
This year, I sold about $150 worth of books. What was even better was meeting everyone, including those who have used my books to get licensed or to upgrade. For example, Tom, K4SWL, came over and shared his story with me.
He said that one year his wife said that she would also get her ticket as an anniversary present. He gave her my study guide and ten days later, she had her license. How cool is that?
Kudos to QRP ARCI for another successful FDIM. If you’d like to get a copy of this year’s proceedings, you can contact them by emailing toystore@qrparci.org or n8et@woh.rr.com. QRP ARCI also has some other goodies, if you’re interested, in their Toy Store.
Some time ago I wanted a logging program that would do things my way. Although there is absolutely nothing wrong with any of the various offerings they generally try to be everything for everyone and none of them really sat well with me. So I wrote my own in PHP (learning Python is high on my list of things to do, along with Mandarin, Morse, cooking…) which uses the QRZ.com logbook as the backend. Ok then, really I wrote a series of various scripts in PHP that make it all work. The advantage is it does just what I need and nothing more and can easily be modified to add functionality. The downside is I never was a coder (well, ok, I have a certification in COBOL from the 1970’s!) and it is not going anywhere other than my own server. So you can’t have it…
The way I tend to log stuff is via wsjt-x or other software that logs to a local file. I then have a script that takes the ADIF data and populates QRZ.com on a QSO-by-QSO basis. Somehow having to actually do something after each QSO feels like I am actually engaging in the process. But I am not a contester… it would simply not work for any stress situations (but then I could easily make it work if I so desired…)
With QRZ.com being the master a script then populates a local database which does all manner of stuff that I personally need. For example, it holds records of eQSL sent/received, real QSL sent/received, and various tabular data for Worked All Britain (WAB).
Scripts also modify the wsjt-x log file on all my systems such that each has a record of all QSOs. As QRZ.com is globally accessible (not tried from China mind… not that I plan to take any radio gear there anyway) and my main database is on a VPS so is also globally accessible the various scripts work from anywhere.
I do plan to move the database from the VPS to a system at home once we get FTTP broadband and use the VPS as a backup, synchronising between the two. But that will wait.
One plan which is more immediate is LoTW integration because as yet my LoTW logging is via QRZ.com which means an extra step. No biggie, I mean it’s its a few clicks and a password… but it would be nice to integrate it. The same goes for eQSL sends, but as yet I only send on receipt and I have scripts to deal with that anyway.
It’s been quite a while since I updated this blog, so a great time to post an update on some projects and interesting items I’ve bumped into on the Internet.
First, an update on a concept called White Rock Hams that we started over three years ago with a mention on this blog. It’s since turned into a real club with many activities and a pretty good following with over 30 members. We’re using groups.io for all of our messages and files, and hamclubonline.com for official club stuff. Both of these tools have been extremely useful in keeping members informed and active. You can follow all of our exploits at wa5wrl.org which is the vanity call sign we were able to snag from the FCC.
In Internet news, I am just about ready to pull the plug on Twitter. I was a very early adopter personally and helped get my Fortune 500 employer back then on board. Since Musk has taken it over, it’s become quite a dumpster fire and I’m not sure how much longer I can stand it.
I’m spending more of my time now on Mastodon. I like that it’s federated and non-centralized. Sort of feels more like the way the Internet was supposed to be in the first place. It’s not owned and run by a tight group of billionaires. If you’d like to join us, take a look at joinmastodon.org. Scroll though the servers and pick an interesting one, or just use mastodon.social like many folks do. You’ll find a lot to like, including authors you’ve probably seen previously on Twitter. And, if you’re a ham, choose mastodon.radio! Don’t sweat about the server choice, though, since they all connect together. Once you’re on, you can find me at @n5csu.
I’m getting a kick out of my hamclock running on a little inovato computer. This device has become a must-have for active hams that use the high frequency bands.
I’d like to give a shout out to the website blogs.radio, a great place to find updated blogs by ham radio operators.
That’s about it for now. I’m composing this using Word on my iPad via microphone for the first time, then pasting into WordPress. It’s so much better than my two finger typing.
73
I’ve been a member of Facebook for many years, joining since before it became the advertising behemoth it is today. Back then I did make fairly regular use of it to interact with friends and colleagues as well as groups. But my use of it dwindled to reading group posts and posting ‘happy birthday’ messages. But I kept it.
As hobbies changed with time and retirement I joined several new groups. Again, really all I did was read posts.
At some stage during this time I also began to use Messenger. I now find that I rarely get any use out of Facebook and only have two contacts in Messenger that I do not have elsewhere. So I thought it time to get rid of Facebook. That did not go as planned!
First, the Messenger app on the Mac decided it would log me out and I cannot log back in. I get as far as the 2FA challenge where it allegedly sends me a text which never arrives. Three goes at that and I just deleted the app, life is too short.
Then I went into Facebook and after being bounced around between Facebook and the overarching Meta sites I was a given a choice of disabling my Facebook account and keeping Messenger, or deleting my Facebook account – which was my aim – but losing Messenger as well.
Choices, choices… so I’ve disabled it pending contacting my only two Messenger contacts and asking them if they have WhatsApp, Telegram or Signal. Hopefully they do, and Facebook can be assigned to (my) history.
Update: 11/1/24 YES! Both contacts use WhatsApp, so… Facebook deleted. Or it will be after 30 days apparently, in case I change my mind (fair enough, nice to have a cooling off period)
Not long ago a telegraph pole appeared on the street outside our house to take wires between two existing poles. I think it was placed so that those wires didn’t come across our land as they seem to droop quite a lot. Associated with said pole, and others in the area are pole mounted fittings to do with BT’s full fibre offering. Today, a flyer came in the mail offering full fibre service at various speeds. That will make a change to our current 15Mbps ADSL. But there may be issues.
Do we need the speed? Well, currently we can watch fairly good res YouTube on one TV, a BBC program on another, and all the less bandwidth hogging tasks that happen all the time such as Pi-Star, various Internet links to various bits and bobs, email, general web browsing etc. We only notice issues where video games peg out and Windows OneDrive sets off synchronising at full whack. Currently I have OneDrive (not mine, I don’t even use it!) configured to play nicely (honestly, if you’ve ever let it fully loose it’s a real bandwidth hog, quite unlike iCloud which never seems to get in anyone’s way and still does everything it needs to), and the switch port that the gaming PC is on is throttled so it cannot take the full 15Mbps.
So yes, more speed would be useful. We also found that a YouTube rented 4k video will buffer constantly.
But… and this is a big but, will our chosen ISP deploy cg-nat? This is something many of us will face and the issue is that cg-nat makes it very difficult, if even possible to have incoming connections. Some things will (or should!) just work, like SIP phones as the sessions are initiated by the phone constantly polling the server(s) rather than calls actually coming in. But others – things like Echolink, Allstar, 44net and the AXIP connections used on GB7RVB all need connections coming in as well as out, and cg-nat will break those. Some Pi-star configurations will rely on incoming connections too.Some PC games will not play nicely with cg-nat either.
So that is a concern and it is difficult to get an answer from many ISPs as you never talk to a techie. Some do say so, some offer static IP addresses which, provided they mean public IP addresses exclude the use of cg-nat. With BT I can get that but only if I buy their business offering which is more expensive.
Yes, I could set up a VPN to my VPS and do it that way, assuming the VPN will play with cg-nat. But that adds even more complexity.
There is also the issue of the telephone. We still have a landline although these days it sees very little use and only for inbound calls. Do we ditch the number and rely on mobiles, will SIP phones really work, can I move our number to a SIP service or just get a new number?
And let’s not forget the issue regarding the inability to dial 999 (the emergency number, the UK’s version of 911) in a power cut. With the current switched copper telephone network the phones are powered all the way from the exchange. Not so with fibre as if your in-house fibre modem has no power you have no phone. But for us that is less of an issue really, we have at least one mobile phone in the house at all times, and, hey, I have at least one 2m/70cm FM HT charged at all times. We – collectively, radio amateurs – are generally better off that way.
Anyway, as it stands the flyer only just arrived and I will probably wait for one of the neighbours to take the plunge first! I can’t even remember if I am still on contract with our current ISP as they never called to confirm and it is not possible to find out online (which I find rather stupid for an ISP but there you are).
I want to thank all our followers and subscribers for making stationproject.blog a useful and popular resource for the Amateur Radio community. We’ve hit a significant milestone of late – we’ve surpassed 1 Million views. We very much appreciate your support for our site!
Fred, AB1OC
The post Thank You To Our Readers – Over 1 Million Views! appeared first on Our HAM Station.
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