Back on 6m MSK144 RX

So far this morning 3 stations in 3 countries spotted on 6m MSK144 RX. Best DX is DK8NE (704km). I think all these were aircraft reflections?

UPDATE 1715z: 5 stations in 5 countries on 6m MSK144 RX so far.

Martin McGuinness Dead

Martin McGuinness has died of a rare heart condition at the age of 66. In his younger days he was a key member of the IRA and wedded to violence.

In later years he was deputy first minister in Northern Ireland working with Ian Paisley and was one of the "chuckle brothers", showing that mutual respect between two very different people is possible.

I am sure to the end he was very much in favour of a united Ireland, but he came to realise votes not bullets would bring this about.  He changed, as did Ian Paisley.

My hope and prayer is that those that follow will walk in the path of peace. Jaw, jaw is always better than war, war. This applies whatever your political beliefs.

See http://www.bbc.co.uk/news/uk-northern-ireland-39185899 .

New page on my main website

As regular readers of this blog know, I have been very impressed with 6m MSK144 RX. Because of this, I have created a new page on my main website.

See https://sites.google.com/site/g3xbmqrp3/vuhf/6m_msk144

New Country on 6m MSK144 RX

OK1DNT (956km) is another new country spotted on this mode on 6m. If memory serves me correctly, this is the 16th country spotted via this mode.

I went QRT on 10m WSPR TX (500mW) at about 2000z. No spots (at all) on 10m today.

481THz NLOS (over the horizon)

Before my stroke in 2013 I enjoyed building and operating optical communications gear. My stroke has rather scuppered this, for now! Although I had one over 10km line-of sight speech contact with G4HJW/P, my main interest was weak signal, over the horizon, communication. I did tests at over 8km non line-of-sight using QRSS3. Although there was no evidence of the optical signal in the sky, the QRSS3 signal was clearly decoded on the PC at the receive end. Overall, I was left with the impression that much further would have been possible.

At some point I really want to continue this work. All my optical gear was home-made using material that was low cost and easily obtained. Test gear for optical work was simple and low cost too. In my view, optical work is more rewarding than microwaves and the test gear simpler.

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

St Johns College, Cambridge, UK - NOT amateur radio

Recently, we visited the Backs (of the colleges) in nearby Cambridge, UK. With all the flowers out, this really is a sight. This is in the grounds of St Johns College.

We really are quite lucky living so close. As residents, we get free entry into the colleges.

Sunspots and 10m - Monday March 20th 2017

Solar flux is 72 and the sun remains spotless (as in no sunspots rather than recently polished). A=2 and K=0. I think any sunspots appearing from now on will be a bonus!

See http://news.spaceweather.com/sunspots-vanish-space-weather-continues/

6m MSK144 RX and 10m WSPR TX (again)

Yet again I am on 6m MSK144 RX and 10m WSPR TX. So far, just Gs south west of London spotted on 6m, but no spots on 10m WSPR. I have been active since about 0745z.

UPDATE 0950z: No 10m WSPR spots still and no further 6m MSK144 spots as yet.

UPDATE 1050z: DF5VAE (904km) spotted on 6m MSK144 RX.

UPDATE 1430z: 6 stations in 4 countries spotted so far on 6m MSK144. No spots on 10m WSPR.

UPDATE 1545z:  7 stations in 5 countries now on 6m MSK144 RX today.

UPDATE 1735z: 9 stations in 7 countries on 6m MSK144 RX today so far.

6m MSK144 RX today

UPDATE 2100z: G3YDY (65km) is the latest station to be spotted on 6m MSK144. What amazes me is how strong all stations are. I think most stations have positive S/N ratios and the weakest is -3dB S/N. Even quite distant stations are strong. If random MS, this suggests the ionised trails reflect really well.  If aircraft reflection, the reflected signals are very good.

472kHz WSPR RX

I have now gone QRT on all bands, but I am monitoring 630m (472kHz) WSPR. So far DF2JP (448km) and G8HUH (250km) spotted. As usual, I am using the earth-electrode "antenna" in the ground and the (deaf) FT817.

UPDATE 2140z: Not a bad evening so far on 472kHz WSPR RX.

Unique stations spotted on 472kHz WSPR RX this evening

10m in the quiet years

Firstly, 10m is good for Es (sporadic-E) at any part of the solar cycle. In the northern hemisphere May-August are the best Es months. There is a smaller peak around December-January. There are many theories about Es. Also, as mentioned before, N-S real DX can occur on 10m even in the quietest solar periods with no sunspots.

As 11m CB demonstrates, 10m is a useful band for local nets - the proverbial "natter across town". 4W from a converted CB FM rig regularly enabled me to work 30km with a CB halfwave antenna.

Another possibility is a derivative of my Tenbox AM rig. Simple to make and a possible club project? What was done before my stroke is a possible source of ideas.

See https://sites.google.com/site/g3xbmqrp3/hf/tenbox .

If you follow the link and click the schematic it will bring up a larger clearer version.