ARLA/CLUSTER: Reino Unido faz chamada geral ao utilizadores do software Opera a participarem nas experiencias durante o eclipse solar

[João Costa > CT1FBF]

Partial solar eclipse propagation experiment, March 20th 2015

*Call for Opera users*

There is a unique opportunity to participate in gathering propagation data
during a solar eclipse, occurring during the morning of Friday 20 March
0800z to 1200z.

The *Opera* system is well suited to the requirements and in liaison with
the RSGB project coordinator, *Steve G0KYA*, Opera mode has been added to
the list of experiments.

*User participation: A change from the normal*
*Its requested MF and 160 participating stations, elect to be either Tx or
Rx only.*

Due to the short length of the event, round 4 hours, to maximise the
quantity and quality the of data produced from the 477KHz and 1.8 MHz bands,

Tx Stations are requested to send at 100% no beacon timer and no CW i/d,
Rx Stations are requested to maintain ‘Fixed band’ watch over the time
window.

[Rx Stations , Copy and paste the local decode results to text file as back
up to the PSK-Map data base]

*Three sections of the spectrum are of particular interest*:-

MF 477 KHz / OP8 Tx @ 100% No CW ID

HF 1.8MHz / OP4 , Tx @ 100% No CW ID

HF 3.5 MHz / OP2 , 7 MHz / OP2 Normal operations

One of the main areas of interest is the North / South path straggling the
line of Totality, this being roughly central to a 1000 mile path from the
UK/EU to Iceland.

MF: 477KHz ‘Totality Path’: Halldor TF3HZ has undertaken to establish a
web-linked Rx monitor for 477KHz OP8 and will set up in the week previous
to the event.

MF: 477KHz Inter ‘UK / EU’: Stations are also invited to join the
experiment , noting , Tx / Rx stations are requested to follow the 100% Tx
and Rx continuous availability.

*HF Bands*

Opera is one of many systems to be deployed during the event on HF .

1.8 OP4 Operations requested to follow the MF 477 KHz format
3.5 and 7 MHz bands , deploying OP2 mode , normal operations

Links :-
Steve RSGB coordinator : http://www.g0kya.blogspot.co.uk/
Download : https://rosmodem.wordpress.com/
Yahoo group: https://groups.yahoo.com/neo/groups/O_P_E_R_A_/info
Facebook : https://www.facebook.com/groups/operadatamode/
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