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UT1HZM > SAT 07.06.23 14:25l 53 Lines 1711 Bytes #999 (0) @ WW
BID : 19595_UT1HZM
Read: GUEST
Subj: Re: 'Data' modes via QO-100 ?
Path: IW8PGT<I3XTY<I0OJJ<GB7CIP<IW2OHX<UT1HZM
Sent: 230607/0808Z 19595@UT1HZM.KREM.POL.UKR.EU BPQ6.0.23
Hi Misko.
Yes, "connected/data transfer modes" was tested on QO-100 many time ago,
but as always now - very low interest of people.
Not sure about success Pactor use - possible signal latency is too big,
typically Pactor can solve latency up to 20000km and to 40000km
for "long path" mode.
QO-100 latency is about 0.2sec
(2x ~30000+km, signal to come SAT and then to come Earth again).
Its more of two times than Pactor can handle.
But other 'connected modes' with not critical ARQ-cycle should go well,
if no problem with QRG stability (GPSDO oscillator is mandatory).
There are some winlink2000 e-mail'ers still QRV in VARA-SAT mode, see:
https://winlink.org/content/is0grb_winlink_server_qo_100_geostationary_sat_26°est_dial_10489635_mhz_usb
Also G8BPQ, EI2GYB and some other experiments with 300, 1200 bps packet AX/FX25 and IL2P
on 10489.630 MHz, just try listen with any QO-100 web-sdr.
73, Sergej.
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>
> Does anyone tries to work 'data' modes via QO-100? I mean specifically
> about 300bd packet, robust packet, and pactor. Is that technically and
> legally possible at all?
>
> --
> 73 de Misko YT7MPB@YU7BPQ.#NSD.SRB.EU
>
>
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