12-08-20: The 2020 Perseids 144MHz Meteorscatter s2s event

I’m wondering what antenna system I should use. Maybe there’s some experienced MS OP who can advise.

I have a 5 ele DK7ZB OWL design (1.5m boom) with roughly 8.3dBd (free space) and a 3dB elevation angle of 62°, which I used successfully for SOTA-style MS operation. The shortest distance on MS (Geminids) was 890km and it worked like a charm.

I also have another antenna of the same design, so I can stack them at a distance of 1.9’ish metres. This gives nearly 3 dB forward gain but reduces the vertical angle. Great for tropo, but MS?

Will the stacked system be any better to make a qso with M1EYP/P (850km) or is the wider vertical angle of the single yagi more desirable? Both systems would have a fixed elevation.

Ahoi
Pom

Short update

no more stations have alerted,so the SOTAwatch screen shot is still up to date.

Skeds:
M1EYP/P G/SP-004 DP9X DM/NS-008 11.8. 2200 - 2230z
M1EYP/P G/SP-004 DP9X DM/NS-008 12.8. 0800 - 0830z (if no qso on Tue)

Fingers crossed for the first MS s2s QSO! :slight_smile:

Ahoi
Pom

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All set.

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I’m monitoring 144.360 in MSK144
Only heard 2 ON stations so far …
Luc ON7DQ

I’ve disconnected antenna, laid it on the ground and abandoning til morning. Electrical storm ongoing and close by. Wishing I wasn’t here…

We’ve had flashing and banging non-stop for over 2hrs. I’ve never seen anything like this in Scotland before.

Not often I regret a SOTA expedition. This is one I really wish I hadn’t bothered with. Although the 70cm contest was quite good.

Tom,

do whatever is safest. no MS contact is worth risking your radio or your mobile phone for. oh, and your life… yeah. there will be more meteors… make sure you are around to enjoy them.

Andrew vk1da/2uh

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I did. I only really had one option - remain in tent with antennas down and disconnected, keeping myself dry and insulated from ground.

Pleased to have managed 3 hours sleep and even more pleased to have awoken to a quiet morning. Now to look for some rocks.

Sounds llike a really unpleasant night. Will be qrv in a minute.

Worst storm in living memory apparently.

We were watching that storm’s lightning show from our hillside vantage at the southern edge of the Cotswolds. It was quite impressive!

I’ve never seen anything like it before. There wasn’t much thunder as distinctive thunder claps just a continuous rumbling noise some way off. The lightning was almost continuous with just a second or two between the flashes. I was sat in the garden with a bottle of Tequila watching the display above.

We had two thunderstorms seperated by about four hours, the first one we were on the edge of, vigorous, spectacular but harmless to us, it continued to develop and spread and from the radar images I’m sure its the one that visited Tom. The second one had passed its peak but it gave us a drenching (the garden was gratefull!)

I’ve experienced a few thunderstorms while camping. All you can do is lie there feeling exposed and helpless and hope for the best!

If you are going to be nuked by lightning, it at least ought to be your best malt!

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And its all happening again! Small thunderstorms bubbling up all around, distant rumbles of thunder, my antennas are all pulled and the rigs isolated, hold on tight for another wild ride!

It’s surprisingly nice neat with some ice. I was only quaffing a Reposado Tequila, nothing super ‘especial’. It reminded me of a pure grain whisky in some respects.

This where you should look Brian:
Real Time Lightning Map :: LightningMaps.org;

I use the met office observations map because I can toggle between rainfall and lightning, plus various other options:UK weather map - Met Office but I have put your site into “favourites” as it might be usefull.

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Lightningmaps was my essential “peak” time viewing from around midnight through to 3am local. I would see (unmissable) the lightning flash from inside my tent, then within a second, it’s exact location would appear on the website map on my phone screen. I watched as the intense concentration of lightning strikes slowly edged East and North from Shropshire and Stoke-on-Trent. I figured I had time to abandon the MS S2S attempt, disconnect the antenna and lie it on the ground, disconnect the rig from the feeder cable (using some dry fabric between my fingers and connectors!) and arrange the inside of my tent so that I was insulated from the ground by as many dry, non-conducting layers as possible (FWIW - every little helps…!). I didn’t have time to break camp and get off the hill.

I cracked open a can of Brewdog Dead Pony Club ale for a little calming refreshment! The eye of the storm appeared to home in on the summit of Shining Tor - where I was - according to lightningmaps. Then it appeared to stay put, rather than continue to edge slowly eastwards. At this point, there were frequent blinding flashes, seemingly at ground level, and seemingly not far outside my tent! This was in addition to the >1 per second lightning flashes continuing overhead. Earlier, there had been little or no noise from thunder (many reports of the “silent lightning” have circulated today), but by this point there were frequent huge explosion-sounding bangs. It was as though I was in the middle of a bombing raid or warzone.

With the Brewdog ale all consumed at the height of the storm around 0130 BST, I now had no option but to resort to phoning my XYL. Marianne would normally be furious to have been disturbed at this late hour, but I knew she had been up unusually late stormwatching anyway. Anyway, she chatted calmly with me for about half-an-hour, which I really appreciated, except for all the times she burst out laughing hearing my terrified reaction to the latest flash or bang.

At this point, I must place on record that I had monitored the forecast for Shining Tor on the Met Office website frequently throughout the preceding day. I am confident that I have become good at interpreting the Met Office forecasts over the years, and it did look very much like a summit campover was going to be safe. But there you go.

After the call with Marianne, the rain started to come down, more and more heavily. Unlike storms I’ve experienced throughout my life though, this did not coincide with a decrease in the frequency of thunder and lightning - well not for over half-an-hour anyway. Eventually, after 2am, the frequency of the flashes and bangs did start to slowly decrease, and at last, the lightningmaps started to look a little less congested between Macclesfield and Buxton!

I kept watch on this until about 3am, by which it was just heavy rain, and no more sound and light show! All the activity on lightningmaps was now clear of the Peak District and over in South and East Yorkshire. I felt able to drift off to sleep, and I got a decent three hours in.

As for the activations…

Tuesday 11th August 2020

2m FM: 4 QSOs
70cm FM: 22 QSOs
70cm SSB: 77 QSOs
70cm CW: 1 QSO

Total: 104 QSOs - DXCCs: G, GW, GI, GD, GM, PA

Wednesday 12th August 2020:

2m MSK144: 2 QSOs (MS sked with DP9X on DM/NS-008 was not successful - but I did RX for SWL section)
2m FM: 35 QSOs.

Total 37 QSOs.

Plenty of non-contest QSOs over the two activations, so VHF-UHF is alive and well - even if my nerves aren’t…

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The latest updates on http://tomread.co.uk include the full reports of this (ultimately foiled from my perspective) event. There’s not a great deal of extra detail to what is already written above, but there are several photos of the evening on the webpages.

Tuesday 11th August 2020

The Cloud G/SP-015 - The Cloud SP-015
Gun G/SP-013 - Gun SP-013
Shining Tor G/SP-004 - Shining Tor SP-004

Wednesday 12th August 2020

Shining Tor G/SP-004 - http://tomread.co.uk/shining.
Gun G/SP-013 - Gun SP-013
The Cloud G/SP-015 - The Cloud SP-015

Thursday 13th August 2020

Gun G/SP-013 - Gun SP-013
The Cloud G/SP-015 - The Cloud SP-015

The next updates will include a few new uniques in GW/MW.

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This reminds me that IOU an activation report, Tom. Sorry, there were so many other important things to do. But it’s not forgotten.

Ahoi
Pom

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