26 May 2020

Sunspots - Tuesday May 26th 2020

Solar flux is 70 and the SSN 0. A=5 and K=2.

25 May 2020

What is DX?

Just now, a relatively local M0NKR was calling CQ DX on 6m FT8. He was very strong here even though we are probably crossed polarised. I have no idea what power he runs or what antenna and tower he has. He must always spot and work far more than me! Good luck to him. I hope he works plenty of DX.

For me with my 10W and V2000 omni antenna I can never hope to work the stations he does. At 1250z he was trying to work a ZF that I cannot even see!

DX is relative and hopefully we can all enjoy the hobby in the ways that give us fun.

UK controversy - NOT amateur radio

In my view the UK Prime Minister has shot himself in the foot.

Yesterday, I reported that his most senior advisor had been accused of breaching the spirit, if not the law, over UK lockdown. At every press conference the UK ministers have tried to defend this man. Most questions are about this issue. It is my view that this advisor will resign this week.

Boris Johnson has done much damage to his "stay at home" message. Even the paper that strongly supports him is asking what planet the PM and his advisor live on!

The cartoon came to me on WhatsApp.

No, in my personal view this is deeply damaging.

Wars by proxy - NOT amateur radio

The UK seems to sell arms to dubious regimes who then fight wars "by proxy". I guess the arms sales are deemed more important than the suffering. I am ashamed.

6m FT8

Overnight I did what I rarely do. I put my 6m FT8 gear on with auto sequencing off in the hope of being spotted transatlantic. You may recall that I use 10W to the V2000 vertical omni antenna.

Although PV8ABC (7832km) in northern Brazil was spotted on 6m FT8 RX, I was not spotted sadly. At 0520z I am QRT.

UPDATE 0755z:  6m FT8 was switched back on a few minutes ago.

UPDATE 1258z: 121 stations have spotted me so far.

UPDATE 2035z:  341 spots of my 10W so far today., Mostly EU Es.

Old photo - NOT amateur radio

This photo must be very old!! I still have hair and our 2 sons are still in their buggies.

At a guess I reckon this must be 41 years ago.

Sunspots - Monday May 25th 2020

Solar flux is 69 and the SSN 0. A=5 and K=2.

24 May 2020

4m

4m transverter 
One of the (many) things I promise to do is get active again on 4m. Now that there are many European countries on the band and it has become more popular with some commercial rigs covering the band this makes sense.

Some years ago I got active on the band with a home designed and made transverter, I had a few G contacts, but this was way out of the Es season and I just had a wire dipole. Power was just over 1W.

Years ago I recall working ZB2VHF with 4W of AM from university. I guess that was 1969.

See https://sites.google.com/site/g3xbmqrp3/vuhf/4m_tvtr

Moulton Church - NOT amateur radio

On our walk earlier, we went past Moulton church with its famous fish weathervane.  Like many churches in East Anglia, this dates back almost 1000 years.

See https://eachurches.blogspot.com/2015/11/moulton-st-peters.html

Moulton - NOT amateur radio


This morning we did a nice walk around the village of Moulton near Newmarket. It is one of our favourite villages. This collage shows some of the lovely cottages.  Sadly the pub where we normally eat is closed at the moment.

Dominic Cummings - NOT amateur radio

The facts in this case are hard to make out in this political storm. Basically the UK Prime Minister's special adviser is being accused of going against the spirit of the lockdown rules by driving 250 miles to ensure his 4 year old child could be cared for. This may be legally OK but seems stupid in the circumstances at that time.

Personally I think he should resign as he is doing the UK government little good by diverting attention from the core issue at the present time, which is controlling the Covid-19 virus. If you cannot trust people close to the heart of government who can you trust? It is imperative that people in whom we trust are following the spirit of the law. Many of us have not seen our grandchildren in the flesh for many months. If he had been ill, he of all people would have found people close by who could have cared for his 4 year old. It smacks of one rule for you, but not for those in power.

6m FT8

This morning I decided to go on 6m FT8 again with 10W and V2000 omni antenna. Although no QSOs, my signal has been widely spotted. On 6m FT8 RX best DX are a couple of stations in Kazakhstan with best being UN3GX (5535km) near the Chinese border.

UPDATE 1347z:  395 stations have, so far, spotted my 6m 10W FT8 TX and I have spotted 322 stations. At the moment this is shaping up to be the best Es day this season here on 6m.  Still hoping for some transatlantic spots, although nothing yet.

Stations spotting my
10W TX to 1927z today 
UPDATE 1928z:  461 stations have spotted me today but nothing from the Caribbean or Americas.

Sunspots - Sunday May 24th 2020

Solar flux is 69 and the SSN 0. A =4 and K=1.

23 May 2020

Table restoration - NOT amateur radio

Today, I worked on the last of three small tables sanding the tops down, cleaning and rubbing Danish wood oil in to feed it.

The photo shows me working on the third table earlier. I think this was after the first sanding. I am cleaning it with white spirit.

"So" - NOT amateur radio

Have you noticed how many people say, "so" at the start of sentences? It seems this is quite common these days. As for "like" it would seem this is the new, "um".

AM operation

These days many on the air have never used AM (amplitude modulation). Many prefer FM or SSB for chats.

Certainly, I get the impression that our national society, the RSGB, is anti-AM. They have continued not to put 144.55 as the AM frequency of choice in 2m bandplans. They continue to have the fatuous remark about AM users being mindful of bandwidth, when well set-up AM often occupies less bandwidth than FM. I also found out that one RSGB official had no idea there was a preferred slot for AM on 10m! I get the impression that they haven't a clue!

AM has its place on less busy bands. It also lends itself to easy homebrewing. To me, it seems a shame that AM is hidden away. It is not the best mode for many reasons, but well modulated AM on 10m is a real joy to hear.

See https://sites.google.com/site/g3xbmqrp3/vuhf/2am

10m FT8

Trying to compare 10m WSPR with 10m FT8 is difficult. On WSPR I can use my stand-alone 500mW WSPR beacon without the PC, whereas for FT8 I have to use the FT871ND and the PC. In both cases the antenna is the indoor loop.

Today, I am on 10m FT8 using the FT817ND and the indoor loop. Power is 2.5W. So far (0820z) I have been spotted by no-one at all. On 10m FT8 RX a couple of Spanish stations have been spotted.

UPDATE 0840z:  One QSO so far and 1 spot of me from northern Spain. On 10m FT8 RX, 8 stations spotted with best DX being UA9CAW (3817km).

Stations spotting me on
10m FT8 TX today with 2.5W 
UPDATE  1922z: So far today, 60 stations have spotted my 2.5W 10m FT8 to the indoor loop. With already nearly 5 times more stations spotting me on FT8, I conclude that FT8 seems to have largely replaced WSPR as a weak signal mode.  WSPR is about 10dB better than FT8, and the power level I use of FT8 is less than 10dB more.

UPDATE 2038z:   Now 70 stations have spotted me.

UPDATE 2130z:   73 stations have spotted me. On 10m FT8 RX 6 South Americans spotted with best DX spotted CE4WJK (11814km). In total, 373 stations spotted. Soon be time to go QRT.

Sunspots - Saturday May 23rd 2020

Solar flux is 71 and the SSN 0. A=6 and K=2.

22 May 2020

Covid-19 hope? - NOT amateur radio

It would appear that many of the most seriously ill patients with Covid-19 have low T-cell counts. A trial has started to see if giving a drug treatment to counter this can help recovery.

See https://www.bbc.co.uk/news/health-52754280

More updates on ICOM IC-705 availability

On the MLS webpage they announce that the ICOM factory in Japan is to start full production of the IC-705 transceiver in June. This is earlier than I was expecting. Often there can be teething troubles with early production models. Those that have placed deposits will get theirs first. Should I buy one, I would wait until these teething troubles with the hardware and software are eliminated. This could be several months.

See the MLS IC-705 webpage for more details.

10m WSPR (500mW)

Once again I am giving 10m WSPR TX a go using the stand alone WSPR beacon and the indoor loop antenna. This leaves the PC free for 6m FT8.

Theoretically, WSPR should be about 10dB better with weak signals than FT8. However, it takes 120 seconds (nearly) for a transmission burst whereas FT8 is only 15 seconds (nearly). I am not sure how little of each is needed for a successful decode.

UPDATE 0930z:  Spotted twice by OZ7IT (853km).

UPDATE 1037z: Now spotted by HB9TMC (905km).

UPDATE 1300z: Now getting spots by OE9GHV (871km). I notice the HB9 is giving me up to -4dB S/N, which is massive for 500mW to the indoor loop. Also being spotted by OE9HLH and DL4TOM/RX. I am getting 10m WSPR spots from more stations than I expected.

Unique stations spotting my 
10m WSPR today. Quite a 
few have copied me multiple times.
UPDATE 1354z: So far today, my 500mW WSPR beacon on 10m to the tiny indoor loop in the shack has been spotted by 9 different stations. Definitely more 10m WSPR activity than I was expecting.

UPDATE 1436z: Just after 1400z OZ7IT was getting my 500mW at 0dB S/N. On a quiet band with no man-made noise, this suggests he might have copied me on the indoor loop if I was running 0.5uW!! (yes half a microwatt!).  Incredible.

6m FT8

Just after breakfast I turned on 6m FT8. So far, spots of my 10W from 14 stations with some Es. It is now 0800z.

UPDATE 1245z:  170 spots of me so far today.  Best DX is by EA8AKN (2985km). 2 QSOs so far this morning.

UPDATE 1510z:  254 stations have spotted me in the last 12 hours on 6m FT8. I have lost count of the number of QSOs!

UPDATE 1557z: 274 stations have spotted my 10W to the V2000 vertical omni antenna today so far. Nothing copied from the Americas or Caribbean here yet. Better equipped stations may have been more fortunate. I guess beams and height could be worth 10dB more. In the past though, real DX signals on SSB and CW have been quite good. If the path opens, I don't usually miss much.

UPDATE 1843z:  305 stations have spotted me so far today on 6m FT8 TX.

UPDATE 2140z:   No signs here of "real DX" so QRT.

Sunspots - Friday May 22nd 2020

Solar flux is 70 and the SSN 0. A=5 and K=2.

21 May 2020

QRT

At about 2045z I went QRT on all bands. Not bad on 6m FT8, but useless on 10m WSPR TX using 500mW to the tiny indoor loop antenna.

TUI - NOT amateur radio

In the past we have had some great holidays in Corfu with TUI (now part of Thompson).  Sadly, we had to cancel our latest planned trip as holidays to Greece were likely to be axed because of the Covid-19 pandemic. We were promised a 70% refund within 5 working days.

10 weeks later we are still waiting for our refund!

On the BBC TUI is consistently mentioned as being one of the worst companies in this crisis. We have emailed several times and these bounced. We waited for 2 hours on the phone to be given an email that immediately bounced. They seem to be hopeless at communicating with their customers.

Based on their recent performance, they have lost a valued customer.

ICOM IC-705 latest news

On the ICOM website they just say this has been delayed until "later in the year".  As reported some days ago MLS is saying July, but I think it will be much later.  They may be having technical issues and they have the Covid-19 pandemic to deal with.

Although the price is too high, it covers multiple bands and has some novel features such as Bluetooth and GPS.

For the latest news check the ICOM website or sign up for their newsletter.

See https://icomuk.co.uk/IC-705-HF-VHF-UHF-Mobile-Transceiver/3977/1338/14/

Amateur VLF experiments

One of the great things about our hobby is that it can be enjoyed in so many ways. Some get excited by amateur TV, some just enjoy a good chat, others like DXing, others EME and so on.

When I was fitter, I enjoyed experimenting with VLF. Several European amateurs were detected around 8kHz. My own thing was "earth-mode" VLF which involved injecting a signal at home (5W) then going out in the car to see where it could be detected. 6km was possible and far further was probably possible, but my stroke got in the way sadly.

To this day, I still host the Sub-9kHz Amateur Radio page and you may get some useful pointers from my old blogs. It would be great if someone carried this forwards as it is an area ripe for simple experiments.

See https://sites.google.com/site/g3xbmqrp3/vlf/8-97khz-earth-mode-transmitter

See https://sites.google.com/site/g3xbmqrp3/vlf

See https://sites.google.com/site/g3xbmqrp/Home/earthmode. This is on my old website which is not maintained, so do not follow the links on the left that may not work!

10m WSPR

Just remembered that I could be on 10m WSPR TX 100%  (500mW) using my stand-alone WSPR beacon, whilst being on 6m FT8 transceive. Now, there is not as much WSPR activity as there was, as most people prefer FT8, but it is still worth having a go. I am on the indoor loop on 10m WSPR. Although the beacon is on 100% TX, frequency is changed randomly every 2 minute slot. As of 1400z (after about 10 minutes) nobody had spotted me on 10m WSPR.

UPDATE 1448z: The last time I checked the WSPRnet database it was very slow. I seem to recall this was an issue last year. Other pages seem OK, so I don't think it is my internet connection.

UPDATE 1818z: So far, not a single spot of my 10m 500mW WSPR. Either there are few people or not much Es. I suspect the former, but it might be both. On previous occasions local G4KPX (13km) has always spotted me so I know the loop works.  Even if it is a few dB down, with Es I'd expect to get some spots.

UPDATE 2008z:  No spots of my 10m WSPR. Looking on the WSPRnet database, there was not much Es activity in Europe. Either this means most WSPR users have moved to FT8 or this was just a bad day. I'll try again tomorrow.

6m FT8

A few moments ago, I went on 6m FT8.  Everything had been disconnected because there was a risk of thunder. Within a few minutes I was spotted by 12 stations including some in Portugal by Es.  After about 10 minutes I had been spotted by no less than 27 stations despite  just 10W to the V2000 vertical omni antenna. On RX just 2 stations spotted so far.

UPDATE 1251z:  So far today, 83 spots of me and plenty of 2-way QSOs via Es. On 6m FT8 RX 57 stations spotted so fa

UPDATE 1451z:  Now 122 spots of my 6m FT8 10W today so far.

Sunspots - Thursday May 21st 2020

Solar flux is 70 and the SSN 0. A=3 and K=0.

20 May 2020

OFCOM consultation

OFCOM is consulting on the use of spectrum between 100GHz and 200GHz. See their website.

2m FT8

6m is humming with Es. For a change, I am on 2m FT8 hoping for some Es. It is currently 1030z. So far, no Es evident.

UPDATE 1142z:  16 stations have spotted my 10W to the big-wheel omni antenna on 2m FT8 today. 3 QSOs on 2m so far. No Es.

UPDATE 1856z:  IT9GSF worked on 2m FT8 using 10W and the big-wheel omni antenna. 2 Maltese stations spotted. 2m Es.

Reach walk - NOT amateur radio

This morning we did a nice walk around the village of Reach. On the way we saw the flowers in the photo.

6m FT8

Last night I took the unusual step for me of being on 6m FT8 with the auto sequence feature turned off. Usually I work everyone that calls me. In the Es season this means QSOs with stations all across Europe. Last night I was hoping that the band would open across the Atlantic, but if there was any I missed it! At the moment I am NOT on any band (0600z).

UPDATE 1034z:  6m FT8 is buzzing with Es. Several QSOs already too.

UPDATE 2052z: At about 1905z I returned to 6m FT8 and worked some stations in southern Spain.

ICOM IC-705 price

MLS has announced the price of the IC-705 as £1299.95. The release date is now shown as July 2020. Personally, I suspect this will be later. As far as I know it has not yet been released in Japan, although I stand to be corrected.

For a QRP radio this seems very high, although it is a 10W radio with HF, VHF and UHF bands. Like the IC-7300 I cannot see a rush to drop the price.

The FT818 is far less than half price. In my view the IC-705 is market priced as the punters will pay. As an SDR, the receiver should be less expensive than a superhet architecture.

See https://sites.google.com/site/g3xbmqrp3/ic705

Sunspots - Wednesday May 20th 2020

Solar flux is 69 and the SSN 0.  A=5 and K=2. Still poor.

19 May 2020

Sheep dressing - NOT amateur radio

One of our local shops has a competition to dress a sheep. The sheep is a toy in the shop window as the photo shows. I think the money raised is for the NHS.

Brain malfunction? - NOT amateur radio

It is nearly 7 years since I suffered a stroke, but a few things have happened recently that have puzzled me. These may be artifacts of my stroke, old age, or not my problem at all.

On a couple of occasions I have heard people say things that I have corrected. My wife is certain that the right words were used. Short of recording the incidents, there is no way of knowing if it was me or not.

One of these was on BBC Breakfast TV earlier, when I thought Nagga had said 8pm by mistake when it should have been 7pm. The other event was a person's name that I corrected only to be told that the correct name was what my wife had said. My hearing is very good, so it is very unlikely that I simply misheard.

I am wondering if what I hear inside my head is sometimes wrong? I am now doubting what I hear. 

Lockdown fun - NOT amateur radio

One of our neighbours is having fun during the lockdown with this creature in the windows!

If you look carefully at the photo (you may need to see it full sized) there is a monster downstairs, with its head upstairs!

6m FT8

Overnight I stayed on 6m FT8. After a QSO late yesterday evening I was RX most of the time. Sadly I saw no transatlantic stations. This morning I am on 6m FT8 TX again still usingy 18 10W and the V2000 vertical omni.

UPDATE 0835z: 39 stations have spotted me so far today on 6m FT8 with my 10W to the omni. Most of these are Es. Not as promising as yesterday, that was exceptional. Only 18 stations spotted here today so far. My noise floor is low, so if they are active, I would copy them.

UPDATE 0922z: Now 42 stations spotting me today.

UPDATE 1314z: 273 stations have spotted me so far today with best DX being OD5KU (3463km). On RX 346 stations spotted here on 6m FT8 RX with the best DX being A45XR (5843km) in Oman.

UPDATE 2012z:  443 stations have spotted me today.  As yet, no transatlantic signals spotted here or spots of my signal. Today seems  even better on 6m  FT8 than yesterday. I am still waiting that elusive transatlantic DX spot.

UPDATE 2112z:  455 stations have spotted me in the last 12 hours. In the hope of being spotted across the Atlantic, I have turned off auto sequencing. With this enabled I work plenty of stations daily, but the WSJT-X reverts to RX only. Overnight this is less ideal. Usually I can be in the shack within seconds to reset WSJT-X. Today, I have lost count of the number of QSOs on 6m FT8.