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Sizing of a Solar Charging System for a QRP Beacon

April 7, 2017 - 9:18 pm

When you run a small low power beacon like the Ultimate3S from QRP-Labs it is attractive to consider powering it from batteries with a solar panel. But how long will it last? A number of things are conspiring to make our lives as amateur radio experimenters difficult. On the one hand the cheap Chinese imports…

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Measuring the QRPp’s Isn’t Easy

February 9, 2016 - 9:32 am

Interesting how a development in one area of this hobby can force a sudden change of direction to explore some new areas. I’ve been happily experimenting with my Hans Summers Ultimate 3S kit when I realised that I could band-hop and get a picture of propagation conditions updated every 30 minutes or so. Cool idea.…

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Ultimate 3 S – part 1

January 11, 2016 - 7:52 pm

My latest baby! I will write the full story in a few installments, from the back to the front so to speak, in other words I’ll show you the final result first before going back and showing pictures of the construction and so on. Of course I’m talking about my Hans Summers Ultimate 3S beacon…

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WSPRing is addictive

November 5, 2015 - 8:29 am

Like the mermaid calling the sailor, this mode called WSPR seems to be calling me back every time. Circumstances pushed me out of the house into my new outside semi-underground shack which made me QRT for a while while I was painting and renovating, but the first thing I did (after making the few compulsary…

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Flex-1500 – Starting the SDR journey

May 31, 2015 - 9:20 am

I might be older, but I’m very young at heart when it comes to technology. I love playing with all the latest gadgets and adopting my hobby to the emerging technologies. One example would be that I only run solid-state amplifiers (watch out for my series of articles on building my own). I also talk…

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Nixie Tube Clock

May 6, 2015 - 3:08 pm

Nixie Tube Clock I’m sorry in advance if I’m going to hurt somebody’s feelings here, but you cannot be a radio ham if you not like small glass bottles that glows in the dark. Even if you are a die-hard solid-state amateur like me, you absolutely HAVE-to-have something that indicates or flashes or twinkles in…

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QRSS on 30m with Arduino

January 7, 2015 - 8:43 am

QRSS is not something I knew anything about, until I stumbled across a useful use for my Arduino: A small daughter board (called a shield) with a few components to turn it into a QRSS transmitter. I admit I am lazy and morse code is way out of my reach – know the joke? did…

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Mobile in Hibberdene KF59gk

October 15, 2014 - 7:39 am

I had the privilege to go on holiday for a few days to the coast, staying in a lovely woodenframe cottage with my dogs for 4 days. My wife allowed me to pack a small radio, and so on the Saturday I managed to catch a few contacts with my new/old (that’s another story!) IC-703,…

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Getting my Yaesu FT-857D on the new 60 meter bands

September 25, 2014 - 8:20 am

I purchased my Yaesu FT-857 a few years ago, way way before the new 5MHz (60 meter) allocation was available to hams, so it wasn’t a consideration then. However things have changed and last weekend the SARL organised a whole weekend’s worth of playing on the new frequencies. Oh what is a man to do…

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Yaesu FT-726R

April 21, 2014 - 5:18 pm

Tired of struggling with pressing buttons on the new radios to get to deeply embedded menu systems even if you want to change a simple thing like Clarify? And, well, forget about working cross-band satelite! Well, the Yaesu FT-726R VHF/UHF Amateur Transceiver must be the last and ultimate all-mode VHF/UHF radio for afficinados who prefer…

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