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O_P_E_R_A_ · OPERA Data & QSO mode

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Description

OPERA DOWNLOAD LINK :-
Download latest version from
http://rosmodem.wordpress.com

Single carrier Data/Beacon mode Tx/Rx package.

Tx by COM PORT CW Key
Tx By SSB Audio Drive
Tx\Rx COM port
CAT Link embodied
Transverter offset

Rx scanning routine places carrier in empty frequency slot by audio drive frequency change.

Mode is linked to BAND

Rate switch selects Tx speed.

Rx automatically matches Tx.

S/N performance expected,

Subtract 6 dB to compare with wspr/other data modes.

Opera is calibrated to the PathSim test software.

OP2 is approximate equal to WSPR, but the levels are average, not peak.

OP05 -20dB
OP 1 -23dB
OP 2 -26dB
OP 4 -30dB
OP 8 -34dB
OP15 -37dB(not in use)
Op32 -41dB

Op4H 8.9 KHz Sound card SDR (-49 dB lowest yet )

16KHz SDR Optical test version

QSO Mode (all bands) -20 dB s/n

S/N Mean (not peak) calibrated to PathSim
http://www.moetronix.com/ae4jy/pathsim.htm


>OPERA IS STILL IN BETA TEST<
>Download latest version from<
>http://rosmodem.wordpress.com<

>>WANTED IDEAS + CONSTRUCTION OF LINKED DATA SERVER<<
>>To provide Mapping / Search functions<<

Most Recent Messages

  (View All)
Re: Transmit Hanging
Try running ROS data mode , if that shows the same problems ..more likely to be hardware/station based problem Problem still there with the TX
Posted - Fri May 24, 2013 2:32 pm
graham787
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Re: Transmit Hanging
Still not having fun here Opera still hanging randomly on Tx and occasionally frequency indicator jumps around randomly but not an the rig, I have tried lots:-
Posted - Thu May 23, 2013 8:49 pm
m0xrs
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Active 136KHz Op8 stations yesterday
Active Op8 stations yesterday were PA0WMR, G8HUH and myself. DF2JP was monitoring but I did not receive anything from him. Mike, G3XDV
Posted - Thu May 16, 2013 3:48 pm
graham787
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Re: Monitoring 70.093 USB Opera mode OP1
Off the side of the beam , but good decodes from the R820T dongle , seems quite stable as well , gb3bux , still zero beat at 70.000 MHz start/end of
Posted - Sat May 11, 2013 6:32 pm
graham787
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Re: Monitoring 70.093 USB Opera mode OP1
Just returned from a trip to PA , wrong profile loaded :( using the 820 dongle on 70 and same HF with wire-pin-1 mod , now 21-074MHz G.
Posted - Sat May 11, 2013 3:30 pm
graham787
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2012 821 367 92 53 175 43 68 36 115 59 73 40

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