This video of a hiking "path" in Switzerland is sure to raise your blood pressure.
See https://twitter.com/OTerrifying/status/1627562598463082496 .
Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.
This video of a hiking "path" in Switzerland is sure to raise your blood pressure.
See https://twitter.com/OTerrifying/status/1627562598463082496 .
Almost forgot! When on 8m FT8, I can go on 10m QRP WSPR TX with the 500mW beacon as the antenna is available. So for about 10 minutes (it is now 1327z) 6 stations have already spotted me.
At about 1318z, I QSYed to 8m QRP FT8. So far, just one spot by FG8OG (6670km). It seems transatlantic reception even of my QRP is almost daily.
UPDATE 1534z: 2 spots of my QRP (again) from the Caribbean. It feels like this is most days. I may try WSPR another day. At 1W on the FT817ND I wonder how this will be?
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| Stations spotted on 10m FT8 RX today |
Solar flux is 152 and the SSN 100. A=6 and K=3.
SSB and FM operation require me to be in the shack, whereas FT8 and WSPR may be monitored on a different PC in the lounge.
I usually sync to internet time early morning (just using Windows 10) and I can pop in the shack (which I do often) in seconds. Although I sometimes re-sync later in the day, I am not convinced this is really needed.
Although I have a separate bench for building, my poor fine motor skills mean it is rarely used these days, sadly.
The photo shows me looking at birds in the garden as the shack probably has the best view.
See https://sites.google.com/view/g3xbm4/home/other-amateur-radio/shack .
My most recent peek at this geosynchronous satellite last night was worse than last time! Activity was pathetic. My most recent look was at 2220z on a Wednesday evening. There were just 2 stations only active.
My own view is this is just too hard for the "appliance operators" of today. If one of the big manufacturers offered a rig (they won't as Japan and the USA are outside the footprint of the satellite), things would be different as "black box" operators could chat with much of the world without big beams and linears and with a small, fixed antenna. Don't tell them they can do this for free on the Internet!😀
What will happen? Things will carry on as now and activity might pick up as solar activity wanes. What is needed is a low cost add-on to enable appliance operators to get on the satellite using their main rig.
People happily shell out huge amounts for linears, beams and towers. None of these would be needed.
One of the issues with getting old is crouching down. If you get down, it is hard to get up! However, we have an answer - grandsons! At their age they have no problems with hips or knees, so we ask them to take a photo. Problem solved.
Of course the simplest of all is a crystal set that does not even need a battery.
The simplest circuit that really works well is probably the one shown. I even adapted this into a 1 FET 80m transceiver. The RX works well on AM, SSB and CW. By changing the tuned circuit, it will work on different bands. As a transceiver my main issue was netting the RX onto the TX frequency.
There are plenty of similar circuits on the Internet.
See https://sites.google.com/view/g3xbm4/home/hf-mf-and-lf/homebrew/80m-or-40m-regen-rx .
Testing with the 500mW beacon started at about 0940z. It is now 1000z and, so far, 2 unique stations spotting me. No surprises.
UPDATE 1019z: 4 unique stations spotting me.
UPDATE 1420z: 13 unique stations have spotted my QRP today.Testing began at about 0940z. No spots yet today.
UPDATE 1414z: It seems "crossing the pond" is almost daily at the moment on 8m FT8, even though the ERP is about 1W when the rig get hot!! Just spotted by FG8OJ (6670km).
UPDATE 2142z: On 8m FT8 RX today my system spotted G9PUV and EI2IP. I am surprised that I do not copy many more. At some point, I need to check the 8m sensitivity. This would involve a trip to a nearby amateur with a calibrated signal generator. It would not surprise me if it was several dB deaf on 8m. Even so, I have still copied S.Africans and Caribbean stations several times.
Many times I have said that if all magazines had to go, SPRAT would be my last. This is incredible value.
See https://www.gqrp.com .
Solar flux is 161 and the SSN 106. A=16 and K=2.
Been on 8m FT8 early (since just before breakfast). So far, no spots today.
UPDATE 0955z: Still no spots. OFCOM has confirmed that my new T&I 8m licence has all I asked for.
My 500mW 10m WSPR beacon was turned on before breakfast. It is now 0912z and all the usual reports including many from the Canary Isles, which I assume is F2 propagation.
UPDATE 1658z: So far today, my 500mW WSPR has been spotted by 19 unique stations with the furthermost WA2N (6488km).
UPDATE 1837z: 22 unique stations have spotted my 500mW 10m WSPR today.
Solar flux is 160 and the SSN 135. A=8 and K=3.
Just heard from OFCOM that they have approved my T&I 8m permit for when mine runs out in April. I have asked for a provisional copy to check over. Assuming this is OK, it means I have broadly the same as currently until April 2024.
It is now 0950z and I have been on since 0900z. Spots of me by a local and from the Canary Isles.
UPDATE 0959z: 4 unique stations spotting me now. Most are probably via F2.
It is now 0945z and I have been on for about 45 minutes. So far, the only spot of me is by 4X1BG (3532km). Nobody has been spotted on 8m FT8 RX.
UPDATE 1754z: My own QRP 8m FT8 was spotted in Israel and Kazakhstan I have spotted 5 stations including 1 in the USA and 1 in Canada.
A recent posting on an IO group reminded me of this most useful archive on radio history.
Today, I guess these well kept thatched cottages are owned by the wealthy who can afford them. In the 1800s, they were probably worker's hovels.
Been on for about 30 minutes (it is now 0945z) and, so far with the 500mW 10m WSPR beacon, 3 unique stations have spotted me. No surprises!
UPDATE 1156z: 7 spots of me so far today. USA also spotting me again.
UPDATE 1615z: 29 unique stations have spotted my 10m 500mW WSPR today with the furthermost being FR1GZ (9724km).
Only been on for a short while, but been spotted by 4X1BG (3552km) and I have spotted G4APG (88km).
UPDATE 1008z: A reminder that I believe anyone in the UK may legally put 10mW ERP beacons on without a licence on the 8m ISM bands as long as the technical requirements and IR 2030 are met. As encouragement, an Australian 8m WSPR beacon at 5mW was copied over 5000km away! See https://ei7gl.blogspot.com/2023/01/successful-low-power-tests-on-40-mhz.html . It would be good to see many WSPR beacons on 8m this Es season.
UPDATE 1150z: ZS6OB (9099km) spotted on 8m FT8 RX.
UPDATE 1238z: 4X1BG (3552km) has again spotted me and I have spotted this station too on RX. The map shows the stations spotted here this morning on 8m FT8 RX.
Although you made not build this, I hope it gives you some ideas.
See https://sites.google.com/view/g3xbm4/home/hf-mf-and-lf/homebrew/10m-tenner-qrp-cw .
Been on 8m FT8 (TX first) for about 90 minutes. So far, 2 spots from Eastern Europe with the furthermost RA4FER (2992km). This is almost certainly F2 propagation.
UPDATE 1016z: Not sure if there are now more people monitoring 8m FT8 or it is just that conditions are better so more people can copy my QRP. Until yesterday, there were very few reports of me from the east.
UPDATE 1218z: When out shopping, I left the 8m FT8 on RX. 3 stations spotted as the map shows. Rig currently turned completely off.It is now 1005z. 9 stations have so far spotted me. The majority look like F2 propagation.
UPDATE 1220z: 13 stations have spotted my 10m QRP WSPR beacon today. USA starting to spot me.
UPDATE 1342z: 26 spots of my 500mW QRP 10m WSPR. so far today.
Later, I hope to go on 10m 1W FT8.