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Today β€” 17 August 2024Roger G3XBM's (Mainly) Amateur Radio Blog

Garden yesterday - NOT amateur radio

So far, we have had a nice warm and sunny August on the whole. Up to very recently it was very dull and wet and we were beginning to think this summer was a wash-out.Β 

My wife puts a tick on the kitchen calendar when we have had a decent day. So far we have had 9 ticks, which is pretty good. Our grass is just starting to turn brown and will look bad in about a week unless we have a good downpour.

The photo shows our garden yesterday.

Yesterday β€” 16 August 2024Roger G3XBM's (Mainly) Amateur Radio Blog

VLF Earth Mode

Before my 2013 stroke, I enjoyed experimenting with VLF earth-mode, which anyone can enjoy.Β 

In the UK OFCOM is not interested in licencing this (and taking your money!), so anyone may make an earth-mode beacon.Β 

For the TX PA a low cost audio IC was used. It produced 4-5W.

Years ago I kept a blog of my exploits. I hope you can get some ideas here.

SeeΒ https://sites.google.com/site/sub9khz/vlf-using-earth-mode/g3xbm-earth-mode-blog .

10m QRP FT8 (Friday)

Stations spotting my
10m QRP this morning
I have been on 10m FT8 with my 2.5W for about 2 hours. So far (at 1104z) I have been spotted by 195 stations and here I have spotted 280 stations with the furthermost Western Australia.

Antarctica
UPDATE 1153z:Β  Spotted VK0DS (14844km) in Antarctica. 314 stations spotted here and I have been spotted by 216 stations.

UPDATE 1821z:
Β  Spotted by 229 stations and I have spotted 503 stations here today (see map of stations spotted here). 10m FT8 seems to be coming in from everywhere, even though it is still August. May the good times continue!

UPDATE 1948z: 239 spots of me and 543 spots of others.

Rallies this Sunday

Β The following have been notified to me. The usual caveats apply: always check before going any distance.

  • Sunday August 18th - Rugby Amateur Transmitting Society Annual Radio Rally, Rugby, CV23 9PY. Contact rally@rugbyats.co.uk .
  • Sunday August 18th - West Manchester Radio Club Red Rose Summer Rally, Leigh, WN7 2PJ. Contact rally@wmrc.co.uk .

Antennas and amateur radio

My latest RadCom arrived yesterday.

One major dealer is advertising widely (the RSGB must really value this income) and I could not help noticing a major antenna manufacturer selling antennas (on the centre pages) via this dealer for Β£3899.99 and Β£4199.99!

If this major UK dealer decided to "hang up his boots" and leave the amateur market then RadCom would have toΒ radicallyΒ change. It would probably have to shrink and come out less often.Β  The only amateur radio magazine remaining on newsagent's stands would really struggle.

Now, I am not able, nor wish, to say how you spend your money. However, for me, these antennas areΒ notΒ amateur radio. A fan dipole covering all the higher HF bands could probably be made for the cost of a few coffees out. So you might be a few dBs down on a big tower with one of these antennas on the top, but you will probably save a 4 figure sum in the process.

In the end, we have to understand what our hobby is really about.Β  To me, there are 2 major sorts of radio amateur: (a) those who just get out their credit card and (b) those that experiment. I prefer the latter.

In my view, the writing is already on the wall. I personally see a battle looming between the credit card operators and experimenters.Β  In my view credit card operators will merge with CB. Experimenters?

Before yesterdayRoger G3XBM's (Mainly) Amateur Radio Blog

FT8/FT4 and very brief Es openings

Up to now I have always used FT8 rather than FT4, especially with QRP.Β  FT4 is quicker, but not as sensitive as FT8. I can imagine with Es out of season, FT4 might catch some openings that FT8 might miss.Β 

This would apply for other types of propagation too where very brief openings might occur. I can imagine some F2 DX openings might be very fleeting. FT4 might catch these. I am not sure how many monitor FT4, but I imagine far fewer than FT8.Β 

One useful future WSJT-X enhancement would be automatic detection of FT8 and FT4 speeds so stations could use either modes in either slots.Β 

Faroe Islands - NOT amateur radio

Β 

One of the things I enjoy about 365project is seeing other parts of the world. This photo recently appeared.

As I have said before, the idea is to post something every day.Β 

It is not connected in any way with Microsoft365. It is totally free although for a modest $19.99 a year you may have privacy and more albums.Β 

I have done it for about 13 years and love it. Some use itΒ  to show their artistic talent. Others use it as a kind of visual diary. I am the latter!

Well equipped stations

As you know the facet of amateur radio that I most enjoy is QRP.Β  However, I sometimes wonder what having high power, a tower and a big beam would be like.

In a recent 70cm contest I noticed one station working Scotland and France when I could not even hear them! I can imagine that 1000W, a big beam, and a tall tower would certainly help!

The human touch - NOT amateur radio

More and more we are losing human interactions.

I can think of several examples: you ring up (almost any business) to be greeted with an AI message like "say in your own words what you want to talk about". With a poor voice I find it almost impossible to be understood. Many supermarkets are replacing checkouts that have humans with auto-tills where you just scan barcodes. You try to talk to your bank and get sent to a call centre on the far side of the planet where you are just a number. Most website chats are just AI bots, not humans.Β  Β It goes on and on.

Human beings like talking with human beings.Β 

For some lonely people it is the only human interaction they get. In my view we are going backwards as a society. Less and less we are able to speak with each other.

70cm UKAC activity contest

I do not submit a log for this but enjoy the activity. It is much easier to copy and work DX on 70cm FT8 than SSB. After working a couple of locals, I was RX only for the rest of the evening and Β copied stations all over from France πŸ‡«πŸ‡· Β Netherlands πŸ‡³πŸ‡± and Germany πŸ‡©πŸ‡ͺ as well as the British Isles. Not bad with 2.5W and a 2m omni antenna.

This underlies just how good FT8 could be on 70cm. If only more would use the band and mode outside contests!

The map shows the stations copied - with a 2m omni antenna!

6m QRP FT8 (Wednesday)

This morning, my 2.5W FT8 to the vertical omni antenna is on 6m.Β  I am wondering, if as on 2m, I am tapping into some sort of troposcatter mode?

As well as the usual G spots I have been spotted in Sicily and Eire. FT8 works with signals even weaker than CW. I guess it could also be aircraft reflection?

UPDATE 1245z: 37 stations have spotted me on 6m FT8 and I have spotted 23. I think this is Es.

UPDATE 1800z:
52 stations have spotted me and I have spotted 31 stations here. See map for stations spotting my QRP 6m FT8 today.

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