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Re: LF: Re: 630m band from Sud America

To: [email protected]
Subject: Re: LF: Re: 630m band from Sud America
From: Marcus PY3CRX PY2PLL <[email protected]>
Date: Wed, 17 Oct 2018 09:23:13 -0300
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Hi all

I saw some faint lines on Argo and some aural copy at 472995 on SDR-IQ (good ~1Hz).

Alejandro LU8YD have the same freq reading using Perseus.


73

Marcus

PY3CRX + PY2PLL (GG66rf)


Em 17/10/2018 06:28, DK1IS escreveu:
Am 17.10.2018 um 02:12 schrieb cx4di:
today testing in QRSS1.
 
73’s
cx4di
 

Hi Diego,

do you know the exact QRG of your last transmissions? During the night from 20181016 to 20181017 I repeatedly saw faint traces with QSB at 473.005 kHz (+/- 1 Hz after calibration) at the Perseus SDR at DL0AO with the 200-m-Beverage to South America. Sadly a doubtless identification was impossible - 8 WPM CW can´t be discriminated by the extremely narrowband technics being necessary to see these weak signals at all.

QRSS1 won´t help really - you should try to modify your transmissions to QRSS 20 or 30 or preferably (if possible for your TX) DFCW 30 with 2 or 3 Hz shift. The characteristic pattern of DFCW would make the identification much more easy.

73,
Tom, DK1IS
www.qrz.com/db/dk1is

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