Tuesday, January 3, 2023

Upcoming propagation tests at 34 MHz - 4th Jan 2023

Phil, EI9KP in the west of Ireland will be conducting some propagation tests on the 34 MHz (9m) band on Wednesday the 4th of January 2022. This coincides with the peak of the Quadrantids meteor shower which is expected to peak around 03:00 to 04:00 UTC on the 4th.

EI9KP will be using a supervised 1-watt beacon on 34.013 MHz into a horizontal dipole with capacitive end loading. The beacon sequence is three x FT8 (15s) transmissions, then a CW ID (callsign + locator) and then a 4-second carrier which completes the 1 minute period. The cycle then repeats.

Before anyone asks, yes... it's 34 MHz and not a mistake. Radio amateurs in Ireland were given permission to carry out experiments in most of the low-VHF spectrum back in April of 2018. See previous post HERE

Times & Frequencies... a) The beacon for the propagation tests will run from 00:01 UTC  to 17:00 UTC on the 4th of January 2023.

b) The frequency in use will be 34.013 MHz. Set your radio to 34.0122 MHz USB and the tone of the CW signal should be 800 Hz. The FT8 signals will probably be a bit higher.

If you're within say 1000kms of EI9KP then leave your radio on FT8 overnight and see if you get any decodes. I know MSK144 would be a better mode for meteor scatter but it's not part of the software that Phil is using. This is also a basic experiment, a lot more people are geared up and familiar with FT8 than MSK144.

Any listeners close in... say under 200kms may hear the signal by ground wave, tropo or via aircraft scatter. 200-1000kms should be ok for meteor scatter.

From 09:00 to 17:00, F2 propagation should come into play and there is a possibility the signal may be heard in Europe or North America. And of course, you can never rule out the possibility of Sporadic-E popping up.

If you're interested then have a listen and be sure to send your reports to Phil, EI9KP on QRZ. You can leave them as a comment here if you wish.


Anonymous said...

Great news. Ei4geb

Anonymous said...

Will monitor from USA. W4/G7EIX

Anonymous said...

Monitoring from Normandy / FRANCE.

PB8DX said...

My rig will be monitoring with 3 ele ultrabeam set to freq.
Fingers crossed!

G4APB said...

Monitoring from SE England, FT897 and 8m dipole, Ken G4APB, but I don’t think any spots will show up on PSKreporter as 34Mhz seems to be outside the ‘8m’ reporting range on WSJT-X.

PB8DX said...

At 08:20UTC 1 decode received at -16.

John, EI7GL said...

To G4APB: If you select 'All Bands' on PSKReporter then you can see some 34 MHz paths. I'm in there as a 10m report with a single spot.

GM1008SWL IO85 said...

Listening midday to 1400 hrs local no decodes yet but thought I saw a few ping traces on Spectrum Lab, will listen for another hour. Setup here RSPdx and Wellbrook ALA1530..


Anonymous said...

Hi, Thanks for the experiment. Had two radios left running overnight and all day, sorry, nothing heard in IO75. Both radios picked up a couple of "wonky" decodes at -24db or so, but no proper decodes. I will listen again in the future, if there are any more experiments. 73.

i2NDT Claudio said...

I am too late for the test! :-(
but I am interested in that "horizontal dipole with capacitive end loading".
is a description (or link) available?


best 73
i2NDT Claudio