28 Apr 2018

Network Radios

As HF conditions dive, some are turning to "network radios" instead. As an example, MLS sells the Inrico T320 which works over 3G ,4G or wi-fi networks through systems like Echolink. Essentially this uses the internet as the bearer, often with radio at the ends. The Inrico T320 is actually a handheld with charger. Some repeaters allow internet linking so you could talk through a network radio to mobiles on a distant repeater on the other side of the world.

See https://www.hamradio.co.uk/amateur-radio-handheld-radio-internet-radio/inrico/inrico-t320-network-radio-transceiver-pd-8674.php


Predictions for the next sunspot maximum

Forecasting the next solar peak is hard, but some have tried. Most experts don't expect much, but two have said they expect cycle 25 to be similar to cycle 24. In reality, we do not know! One thing we do know - unless I am very lucky, the next "peak" is the last I am likely to experience. Even the peak of cycle 25 is not certain for me!

See https://wattsupwiththat.com/2018/02/09/forecast-for-solar-cycle-25/
See https://en.wikipedia.org/wiki/Solar_cycle_25
See http://solarcyclescience.com/forecasts.html

Sunspots - Saturday April 28th 2018

Solar flux is 69 today and the sunspot number 11. A=6 and K=2.

27 Apr 2018

Rally

29 APRIL 2018 : NORTHERN AMATEUR RADIO SOCIETIES ASSOCIATION EXHIBITION (Blackpool Rally)

Norbreck Castle Exhibition Centre, Blackpool FY2 9AA. There is car parking available and a talk-in station will be on the air. Doors open 10.15am for disabled visitors and 10.30 for the general public. As well as trade stands there will be a Bring & Buy and special interest groups. An RSGB book stall will be attending. Dave, M0OBW on 01270 761 608 or by email to dwilson@btinternet.com (www.narsa.org.uk).

A list of rallies can be found at http://rsgb.org/main/news/rallies/

RS-918 and mcHF SDR transceivers

This rig is a Chinese rip-off of the mcHF rig that was designed by a UK amateur, M0NKA. Kits for the mcHF are available, but the RS-918 is available ready built. It has been getting good reviews on eham (last time I looked 4.8/5 on eham). Sadly, the UK amateur did not register the design, so has no come-back. Having said that, I suspect the Chinese would have ripped it off anyway!

See http://www.m0nka.co.uk/ for the original design.
See  https://www.eham.net/reviews/detail/13489 for the review of the Chinese clone.

Mental health links - NOT amateur radio

These were given to me by a person called Molly Anderson. You may find them helpful. As you can see these are on my main website.

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

Tragic year - NOT amateur radio

This last 6 months have been filled with tragedy. In all, we are aware of 5 deaths, 3 with young people who died well before their due dates. The 5th today was my wife's cousin and childhood best friend. It has been a very hard time.

Yet again it re-enforces how fragile life can sometimes be.  All we can do is support those who have lost loved ones and milk life while we still have it. We go along assuming some things last for ever. Then something happens and you realise change is always happening.

It just reminds me how cruel life can be sometimes.

Sunspots - Friday April 27th 2018

Solar flux is 69 today and the sunspot number is 14.  A=4 and K=0.

10m FT8 RX

Today, I have returned to 10m FT8 RX.

The last few days on 6m FT8 have been an indication of things to come during the Es season. 6m FT8 activity is increasing.

As Es also has a big impact on 10m, expect to see lots of Europeans in the logs in the coming months, as well as real DX from time to time.

UPDATE 0817z: So far, just 2E1RDX (139km) spotted on 10m FT8 RX.

UPDATE 1058z: Now M6GAN (111km) spotted on 10m FT8 RX.

UPDATE 1215z:  Just 4 Gs spotted so far today on 10m FT8. Aircraft or tropo?

UPDATE 1318z: Just spotted PD1DL (322km). Strength suggests aircraft reflection. Now 5 different stations in 2 countries on 10m FT8 today so far.

UPDATE 1530z: CT1GVN (1801km) spotted. Now 7 different stations in 3 countries on 10m FT8 RX today.

President Trump to visit the UK in July - NOT amateur radio

Each to his own, but I find it hard to warm to this man. I expect his visit in July will stir up riots and protests. I hope he is ready for what will greet him. It won't be a quiet visit.

He comes across badly over here in the UK and he has made few friends, although he got a lot of votes in the USA from a populous that expected much. Even Monsieur Macron of France said some pretty harsh words in Congress.

See http://www.bbc.co.uk/news/uk-43913414

A quote from the BBC website:
Reacting to the announcement of his July visit, Kate Allen, Amnesty International UK's director, said: "When Donald Trump arrives on these shores, we and thousands of our supporters will very definitely be making our voices heard."

Magnetic loops

Although narrowband, these antennas can be remarkably effective. They are ideal for modes that do not require rapid retuning such as WSPR, PSK31 or FT8. It is some time since I tried one.

See https://sites.google.com/site/g3xbmqrp3/antennas/magloop

Tree rings - NOT amateur radio

Yesterday we visited Brandon Country Park, Suffolk. This felled tree looks about 30 years old judging by the rings.

26 Apr 2018

Felled beauty - NOT amateur radio


Today we visited Brandon Country Park, Suffolk on the edge of Thetford Forest. This tree was on the ground. Either it had been felled or it had blown down over the winter. We liked the textures and colours.

6m FT8

Before breakfast, I went on TX (2.5W) calling CQ on 6m FT8. Sadly, no-one received me, but it was very early!

Since then I have been on 6m FT8 RX only using the omnidirectional V2000 vertical antenna. So far, just a couple of Gs spotted on 6m.

UPDATE 1712z: 16 different stations in 2 countries so far spotted on 6m FT8 today. Best DX is PE0TS (445km).

UPDATE 2120z: Now QRT. In the end, 19 different stations in 2 countries spotted today on 6m FT8 RX.

Flatlands - NOT amateur radio

Here in East Anglia, UK we have few real hills, but some great skies. At the moment we have rapeseed plants in flower which are bright yellow. I like this photo which contrasts the chalk with the rapeseed.

Our local windmill sails turning - NOT amateur radio

We live next door to a fully restored windmill. The windmill is about 200 years old. Its sails turn usually on Thursdays and Sundays when the museum is open. The video shows the mill with the sails turning.

See http://www.burwellmuseum.org.uk

Yaesu - in trouble?

For many years (well as you ask since 1979 - nearly 40 years!) I have been a great Yaesu fan and I have been the delighted owner of many of their fine transceivers in that time. Now I am very worried.
  • Firstly they "missed the boat" by not replacing the FT817 before the last sunspot peak. In my book this was an unforgivable error. The market was ready, yet they were stupid not to see and capitalise on this.
  • Secondly they had to play catch-up when ICOM introduced the IC7300. The FT991A is clearly an attempt to match the IC7300. They were caught off guard, followers rather than leaders. No doubt some poor innocent was made to fall on his/her sword.
  • Thirdly, the FT891 looks market priced to catch buyers. It is relatively low cost for a 100W mobile/base unit.
  • Fourthly, the FT818 is definitely a development done on the (very) cheap with few features expected in a replacement for the FT817. If they were serious they would have added a speech processor, an auto ATU and a Lithium Polymer battery for starters. No, this looks a development with very little outlay indeed. Lost come to mind. Sad, pathetic would be truer.
As a real Yaesu man, I could be forgiven for thinking they are in deep trouble. Everything points to a struggling company. I am disturbed enough to think of avoiding them. My bet is on ICOM surviving and Yaesu going to the wall. Hopefully, I am very wrong. Over the next few years we shall find out.

Once the Chinese really get in this market, the Japanese face a real wake-up call and no Japanese company in the amateur market will be safe. The Chinese have started. Give them a few years. Soon, we may look back on these days as the golden age.

Sunspots - Thursday April 26th 2018

Solar flux is 69 today and the sunspot number 17. A=4and K=2.

25 Apr 2018

6m - the magic band

Some people call this "the magic band". It can be nothing but white noise then, out of the blue, pops some rare DX. 6m is like "the curate's egg"  i.e. good in parts. There is little doubt in my mind that FT8 is going to change things for ever. This summer, in the Es season, it should be very interesting.

See https://sites.google.com/site/g3xbmqrp3/vuhf/6m_op

Lunch out - NOT amateur radio

We ate a 3 course lunch today at Cote Brasserie in Cambridge. £13.50 each, and they add the gratuity to the bill (much better than tipping in my view). If the service was poor you can remove this gratuity. Service and food were very good. We will go there again.

Dead bodies - NOT amateur radio

On two occasions I have seen dead bodies.

The first time was when I was an engineering student at university. I was "smuggled in" to the room in the medical school where they dissected corpses. I wore my white lab coat. This was the first time I had ever seen a dead human body. Reaction? The corpses looked like meat. It was hard to believe these were once real people with emotions, happiness, sadness, good times and bad times.

The other time was in 1987 when my dad died. I saw his body in the mortuary. He was cold and lifeless. My overriding memory was that the essential "him" was no longer there. It was like a chrysalis shell. Now, those who have a faith will say he lives on in another form. I just do not know. I wish this was true.

Death remains a mystery to us. It is a taboo subject.

6m FT8 RX on 50.313MHz

Today, I have moved to 6m FT8. The last time I tried this band, activity was way down on 2m FT8. Already, in just a few minutes, 4 Gs have been spotted plus an ON. Things look promising as if there are now more stations active. As the Es season progresses, I expect a lot more will get on 6m FT8.

UPDATE 1346z: 9 unique UK stations spotted so far on 6m FT8 today.

UPDATE 1444z: So far today 17 different UK stations spotted on 6m FT8. Best DX spotted is M0AIA (204km).

UPDATE 1600z:  Es? EA1AF (1263km) spotted on 6m FT8 earlier. As the Es season develops, I expect we'll see lots of 6m FT8 from Europe and further.

UPDATE 1958z:  Soon be time to go QRT.  In the end 23 uniques in 3 countries spotted with the V2000 vertical omni antenna on 6m FT8 RX today.   Activity on 6m FT8 is rising, probably the promise of Es.

Sunspots - Wednesday April 25th 2018

Solar flux is 72 today and the sunspot number 19. A=5 and K=2.

24 Apr 2018

Dandelions - NOT amateur radio

These yellow flowers, common in UK grass in the spring and summer, are often classed as weeds, but they are actually quite beautiful.

E-field probe RX antennas

It is a common misconception that big antennas are needed for MF, LF and VLF reception. This not true!! Some very small antennas work very well indeed. One of these is the E-field probe (EFP) which makes an excellent antenna on receive. Years ago, I made one and was very impressed. Siting is important with placement as far from houses as possible recommended. EFP antennas are available from several sources, although you can make your own.

See https://sites.google.com/site/g3xbmqrp3/antennas/efp

Coincidences - NOT amateur radio

Years ago, I was at university with people who since became famous. I was idly looking on Wikipedia at one of these - Mark Hedley - when who should be on BBC Radio 4 "World at One" but Sir Mark Hedley! Talk about coincidences!  I also knew Robin Field-Smith who became Her Majesty's Inspector of Constabulary and an MBE. When I first came to Cambridge I slept on his floor, little knowing how famous he would become later.

Flowers - NOT amateur radio

The collage shows some of the spring flowers seen recently on walks. Although it is dull today, one feels spring has finally arrived after a long, wet, winter.

2m FT8

After a brief period on TX before breakfast in which my best DX was being spotted (again) by G4RRA (334km) in Devon, which is good (for me) with 2.5W and my big-wheel omnidirectional antenna. Since then I have been RX only on 2m FT8 with 13 unique stations in 6 countries with best RX DX being DK3MZ (472km).

UPDATE 1016z: Now 20 uniques in 6 countries spotted on 2m FT8 so far today.

UPDATE 1238z: Now 28 uniques in 6 countries.

UPDATE 1459z:  Now 42 uniques in 8 countries. Best RX DX DL3DQL (897km).

UPDATE 2016z:   With 55 uniques in the log, it will soon be time to go QRT on 2m FT8 RX. I eventually went QRT at 2040z.

Pye Telecom PF1

My very first job at Pye Telecom was to convert a PF1 RX to 12.5kHz channel spacing. Looking back, this was a test by Mike Gotch (later G0IMG, now SK) to find out what I could do. Mike was an assistant chief engineer back then. When he left he was a keen 6m man.

The PF1 was a UHF transceiver pair that was adopted by the UK police in the 1960s. It had a separate TX and RX unit. The TX was quite low power and had a pop-up antenna. The RX had a plate antenna.

Later, I worked on several Pye Telecom/Philips/Simoco/Sepura portables and pagers. I worked on several intrinsically safe units. Overall, it was a fun career. These days radio is still my main hobby and I am not involved professionally.

See https://sites.google.com/site/g3xbmqrp3/vuhf/pf1

Sunspots - Tuesday April 24th 2018

Solar flux is again 74 and the sunspot number 20. A=5 and K=1. So, much the same as yesterday.

23 Apr 2018

Mud - NOT amateur radio

On our walk this morning bluebell hunting we were surprised by the quantity of mud on the paths after a week of hot weather. The photo shows me struggling! I was totally ill prepared with suede shoes and no stick.

2m FT8

2m FT8 in the first few minutes today
As I was getting nowhere on 10m FT8 today, I have QSYed to 2m FT8 instead.

A brief TX period saw my 2.5W to an omnidirectional big-wheel copied by several stations with best DX on TX being F6DBI (501km).

At the moment I am on 2m FT8 RX only with 10 unique stations spotted in 5 countries in just a few minutes.

UPDATE 1817z: Now 28 uniques in 6 countries on 2m FT8 in just a few hours.

UPDATE 2110z: Now 33 uniques in 8 countries today on 2m FT8. And I have only been on since teatime!

UPDATE 2140z: Now QRT on all bands

60m (5MHz) band

More and more countries are allowing their radio amateurs access to the 15kHz wide 60m WRC allocation. Apparently China is granting access from July 1st. This is a small band and hopefully later there might be a wider slot.

As the sunspot activity drops, this band could be quite useful. That is if noise levels allow!

First swallow seen - NOT amateur radio

Much later than last year, I saw my first swallow (migrant bird) here. Numbers seem to be down as by this date they are usually quite common.

See https://www.rspb.org.uk/birds-and-wildlife/wildlife-guides/bird-a-z/swallow

10m FT8 RX

After lunch, I went on 10m FT8 RX. As yet, no spots.

UPDATE 1630z: Still no spots today here on 10m FT8 RX.

Bluebell hunting - NOT amateur radio

This morning we drove to Waresley Woods (about 28 miles west of here) to see the bluebells. As the video shows, there were plenty. The paths were surprisingly muddy though. The video has no sound.

Last night on 472kHz WSPR RX

This may be my last outing on 472kHz WSPR RX this season. Last night just 4 unique stations were copied, suggesting most have now gone QRT on the band until the autumn. I may join them!

Sunspots - Monday April 23rd 2018

Solar flux is 74 today and the sunspot number 20. A=5 and K=1.

22 Apr 2018

Rain stopped play?

This is a familiar phrase heard by cricketers in the UK.

Well, in my case not rain (yet) but thunder. For the first time this year my radio kit has been switched off and everything unplugged. At the moment, I think we will (just) miss the worst, but it is quite close. I shall consult the maps!

See https://www.lightningmaps.org/?lang=en

UPDATE 1548z: At the moment, the storms seem to be passing south of us.

UPDATE 1604z: As the storm seems to have passed, I have reconnected rigs and antennas.

UPDATE 1800z: No further DX spots on 10m FT8 RX, but things will be running for a few hours yet, so still a chance of South Americans. This, of course, assumes the storms don't return. F1ABL (963km) spotted very recently.

40 not out - NOT amateur radio

Remarkably our younger son is 40 today. It seems just a blink since I was that age!

We do not know what the future will bring us, but we wish him good health and happiness.

Just think  - in just 10 more years he can go on Saga holidays. Saga is a UK holiday company doing holidays for the over 50s. 😄