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Tuesday, 5 March 2013

'Not possible to work DX with QRP... then how about this?'

Not just me doing the QRP thing on the beach and if you want to know what it is capable of this is an exchange I had with Pete M3KXZ.

On 03/03/13 11:08, Pete wrote:

I was a little late getting going this morning, thanks to bad night's kip (dodgy back!). But, I finally managed the 2 minute drive to Rottingdean Beach with the dogs and got down there at 0830UTC.

Set up the gear by 0840UTC and tried to find VK6PTU and G6UOI who I was hoping to meet around either 14220 or 14185 but no luck.

Heard VK6LUD on 14235 in convo with a G. Also heard VK2CR in convo on 14180.

Kept listening back and forth between the two.

As soon as VK6LUD finished, I pounced and we had a great 10 min QSO from 0846UTC. Rob was pretty gobsmacked when I told him I was sitting on the beach and running 2.5W into a vertical whip. Smashing - I was dead chuffed.

Now properly stoked up I heard VK2CR signing off from his QSO and did the same. Tail ended the QSO and ended up having a great chat with Peter (GREAT NAME!!) at 0900UTC. I was 53 to him in Sydney and he was a good 59 back to me. Again, amazing. 2.5W :)

My head was now spinning. On 14218I heard VK6WC just finishing a QSO and again.

I pounced and tail ended it. Another fantastic QSO at 0906UTC.. Reports again 53 and 59. Wicked!

After this half hour I was feeling a bit chilly and needed to get the dogs home.
I had one final QSO with IZ0VXY/P who was activating the castle Castello di Prossedi.

FANTASTIC half hour trip. 2.5W SSB on 20m. Still grinning now :)

73
Pete M3KXZ
GQRP 11767
SKCC 10219


On 3 March 2013 15:25, Dominic Baines wrote:
That salt water thing really works :-)

Vertical on 20m what radials, raised or just laid on pebbles (know you have not got sand).

72
Dom
M1KTA




Hiya Dom.
It was just to simple to set up - just fed the 5 metre tall whip against a 3 metre long counterpoise wire that just sat on the ground. Tuner right at the feedpoint to match it to the coax, matched easily and off I went! Also easily matched on 40, 30, 17, 15, 12 and 10 using the Elecraft T1. No balun/unun this time - just used one of the BNC to terminal adapters that I got from G3CWI. Tripod is carbon fibre so isn't too worried by salt water.

Here are some pictures. If you look carefully you can see some sand! 

The white wire is the counterpoise.

View of the whip. Slightly wonky horizon in the background, and on the right hand side is Brighton Marina just poking into the sea.


My pile of /p stuff. Antenna rods go in the canvas holder, LiPo batteries and charger go in the ammo tin and all the other stuff goes in the orange dry bag.
Rig showing received sigs from VK2CR. He was peaking over S9 as were the other two. I really need to get a phone with a decent video recorder and would love to be able to record QSOs like this.
The VK QSOs were at 2.5W and were LP - work out at well over 6,000 miles per watt. The CW CQ I made on 14008 at end of my session was picked up by AA4VV in Lexington, North Carolina. Distance approx 4,000 miles SP. Amazing thing is, the CW CQs I made at 100mW so that's 40,000 miles per watt :)
Absolutely terrific little session!
The trousers in the last picture are current army issue lightweight goretex in the latest multicam design - brilliant for /p :)


Hope all well with you.

73
Pete M3KXZ
GQRP 11767
SKCC 10219

Dom, Just realised a mistake in my power out for the CW CQs.... or course low power is 500mW, not 100mW! So only 8,000 m/W -  oh well.
 I'm toying with the idea of altering the power out on low setting, or maybe building a 10dB attenuator. Some good info here http://a29.veron.nl/pa1b-06.htm

73
Pete M3KXZ
GQRP 11767
SKCC 10219

On 4 March 2013 06:40, Dominic Baines  wrote:
Brilliant photos you blogged these anywhere? If not do you mind if I write a post on mine and add them with your words?

I just love the idea of beach qrp as we both know it works and your setup is great and looks so simple.

I am sure you had loaded that mass of sea weed to the South hihi...

The whip where did you get that and the coax looks like same source as the pants you can almost see a MOD number :-) ?


72

Dom
M1KTA



Hi Dom.
I've never got round to setting up a blog, and not sure when I'll get a chance to, so please feel free to post everything on yours.
Do you think it might be worth while measuring the effectiveness of the SWRFAS (seaweed RF amplification system) and then marketing it to those who live inland? Perhaps even look into profitable sales to the MOD? Hmmm, you've got me thinking....
The whip and the coax leads I use all came via various sellers on ebay. The leads specifically from G4LOO but I can't see he has any listed at the moment. Army Radio Sales stock plenty of this sort of thing and the prices are reasonable for good quality stuff. I tend to just keep an eye on ebay though for anything I fancy. Melchior762 sells some brilliant earthing straps that I've use in my vehicle! my Mrs goes nuts though because all this mil surplus gear keeps turning up. I've even got a mil surplus Sankey Wolf trailer that I use for when we go camping :)
73
Pete M3KXZ
GQRP 11767
SKCC 10219



Sunday, 3 March 2013

CDARC Rally

Attended this today and saw a few old friends and had a few pop up and say hi. Apologies if I did not immediately recognise you.

Picked up a copy of SPRAT Book from RSGB stall. Steve 9M6DXX has done a great job. It is a really nice read.

The designs include some 'classics' but the book does not mention that some include obsolete or 'hens teeth' components that might challenge the constructor.

Saturday, 2 March 2013

Load of directs to 6W/C5/KH8 just went out...

I had most of these on the buro pile ready to go out.

Wednesday, 27 February 2013

CT7/M1KTA diary so far

10/2/2013

Ilha Deserta
Island south of Faro

IZ8TDP 15:25 SSB RX 57 TX 59 21.262
W9FFA 15:29 SSB RX 53 TX 59 21.260 Bill QSO??
4U1GSC 15:37 SSB RX 57 TX 59 21.252
G4NVY 15:56 SSB RX 51-57 Deep QSB TX 59 18.142 Mike 110W Gloucester, amazed by QRP signal
kept cq cq cq batteries low... dropped to 3W from 5W
G1UKZ 16:10 RX 21-53 Deep SLOW QSB TX 59 Phil 100W Manchester TS850 Loop antenna, also amazed by qsp qso.

Missed OX3MC, M1AQD, 7X5JF all 14.260-14.263...

batteries died. QRT 16:25












Monday, 18 February 2013

6W QSL cards have been sent out

Just back from CT7 trip and a few tnx for qsl cards I sent out before the trip...

"...Good evening Dom!

Received QSLs 6W/M1KTA IOTA AF-045 from you today.

Many thanks!

73!  Anatoly UU7JM, Rustam, UU2JQ...."

Friday, 15 February 2013

CT7/M1KTA update 14/2/2013

14/2/2013

W3EDP and KX3 from Hotel

CW sessions:

11:20 CQ 21.060 - NIL
11:32 CQ 18.0725
11:36 DF1PY 579 18.072.520 5W
11:44 HA7MW 579 18.072.520 5W
11:50 CQ 10.116
11:53 someone there but too weak to copy
11:56 CQ 7.030.000 - NIL
12:08 CQ 18.07250 3W
12:10 9A2UU (need to be 100% on call to relisten to recording) 18.072.520 579 3W
12:16 OM3EY 18.072.520 579 3W

Went out to Olhao the fishing shop near the quay had 7m poles 17.90 euros if anyone needs one.

Back at hotel CW again...

17:43 CQ 18.072.520 5W
17:48 DL1SVB 579 QSB 5W 18.072.520
Sun setting SS time 18:10 but just went below horizon
17:55 CQ 10.116 -NIL
17:59 CQ 7.030 - NIL
18:02 CQ 3.560 - NIL
18:08 CQ 7.030 - NIL
18:17 CQ OO 14.030.700 FP call but NIL
18:22 CQ 21.060 - NIL
18:27 CQ 10.116
18:34 UR5ZO or UW5ZO check recording 579 10.116 CW
18:37 DL5CU 10.116 579 5W

Thursday, 14 February 2013

CT7/M1KTA diary so far





10/2/2013


Ilha Deserta
Island south of Faro

IZ8TDP 15:25 SSB RX 57 TX 59 21.262
W9FFA 15:29 SSB RX 53 TX 59 21.260 Bill QSO??
4U1GSC 15:37 SSB RX 57 TX 59 21.252
G4NVY 15:56 SSB RX 51-57 Deep QSB TX 59 18.142 Mike 110W Gloucester, amazed by QRP signal
kept cq cq cq batteries low... dropped to 3W from 5W
G1UKZ 16:10 RX 21-53 Deep SLOW QSB TX 59 Phil 100W Manchester TS850 Loop antenna, also amazed by qsp qso.



 
Video of the SSB keyer being used and the s/w bugs!

Missed OX3MC, M1AQD, 7X5JF all 14.260-14.263...

batteries died. QRT 16:25

11/2/2013

Beach west of Albefura (what a pit that place is!)

14.285 called CQ - nil
18.142 called CQ - nil
21.285 called CQ - nil

Heard a few stations calling but no responses.

OZ7YY, KE4SW, LX1HD (21.289), also PY3, IV3...

Was all about 4:30pm.



 12/2/2013

Beach by Quateria about mile East of the main front so no buildings, about 15m from sea and antenna W3EDP E-W with rig at W end, centre at 6m and counterpoise to sea at 90 degrees from antenna.

KX3 internal (old) batteries and just 3W to make them last a bit longer.

11 AM start

18.130 heard MI0SDR call CQ tried but no response.

11:02 14.285 called CQ - nil

11:07 21.26739 heard PY1ZRT (Bob) working UR5ZFU. Bob had HB 5 el monoband on 12m boom, elements were wire on fibre glass poles, kenwood rig with Ameriton PA. Both 59+
11:14 21.270 PY1ZRT worked Nigel GW4FOK (400W) WX in Uk near Swansea was 4 degrees. Both 59+

11:18 started to call CQ 21.285
11:20 G1EBW Pete in Rugby gave me a 55. He was 30W initially and gave him 57, dropped to 5w for 2xqrp and he was 42. Ant was dipole. He visits CT either 4/4/2013 and 6/4/2013
11:24 M0YBC David from North Yorkshire thought we had finshed and broke in... gave me 57 he was a 43
11:29 G0TRB gave me 58 he was 57-58 QSB
11:29 G3WYN gave 56 Ken was a 57
11:30 very loud signal from ON9CFG Bjorn gave me a 5658 he was 59+10 with me, 100W and 100% sure his antenna made all the difference.
quiet for a bit few more CQ then
11:38 CU7CG (Azores) Gomes gave me 55-57 QSB he was a good 58.
Called CQ on 15m for a while but no response

11:45 18.130 called CQ
11:54 SM5X sent 57 I gave him 58 but then he evaporated.... batteries died shortly after.

New 8xAA put in place

Called CQ on 14.285 12:05 for a while - NIL
Called CQ on 7.090 12:10 for a while - NIL
scanned 40m 7.1561 heard EA1GXX calling CQ 59+ tried but no response.
Called CQ 18.130 12:15  - NIL
Called CQ on 21.285 12:17 -nil then IK4JPK started calling CQ right over me... getting cold and few rain drops so QRT.






13/2/2013

Drove over to the Spanish border and walked about the Castle near Castron Marim, walked onto the beach at Manta Rota.

Started with a CQ on 21.285 @ 13:00 - NIL

18.130 huge pile up calling someone I could not hear, picked out G3SJH from the scrum I listened but could not hear who it was.
18.133 F5BBD calling CQ but no response.
18.1423 ES1QX/5 (500W, 3 el yagi) called CQ no response but heard him work G7TPL (Simon, Manchester 13:24), KI4YY (Blair, Virginia 13:26 100W 2el quad), SP7ATA (13:28), W3UA (13:29)
18.14510 Called CQ 13:30 - NIL
Back down the band a heard a loud signal PA3GSU 18.140 so called him once, back he comes! R 59 S 59+60 Op IETSEN 120km from Amsterdam, 4 el monoband and big PA... laughed when said was QRP
18.143 Called CQ 13:42 NIL

21.285 Called CW 13:47 NIL

18.110 TM850N was in QSO with YO8YW (Op Iulian) 13:52
18.110 TM850N 14:00 850years of Notre Dame... email to confirm contact. I think he thought my call was  CT7/GM1KTA!

18.113 CQ NIL
18.117 14:11 Heard OE5GYL and GU4OUK Op Alan in QSL... tail ended and worked OE5GYL Op TONY QTH Linz, KX3 user but had 200W PA attached. Signal report R39 to R54 but deep qsb and sometimes down to noise.
18.117 called CQ 14:22
18.117 14:22 after 3 calls G0NEY Mike sent 58 I was just under noise but if concentrated could hear me. He said was 100W

Very sad as frequencies clear either side of 21.285 load of idiots all at least 100W some 400W+  G0TGR David, G0LVX Tom, G7NLP and W4IOW Ray talking all over the QRP SSB frequency about 14:40.

A guy walked up whilst on the beach and said hello. Turns out he is PD1MC and on holiday, his antennas also fishing poles but campsite in further inland and he said could not hear much, I showed him the bands were very lively... the W3EDP antenna was E-W rig at west end on WET SAND right at high tide mark.