WELCOME
TO THE HOMEPAGE
OF DG0OPK
(here
you can find some information on my amateur radio activities)OF DG0OPK
AUGUST2021: PERSEIDS SHOWER 2021 on MY MONITORING STATION
ANALYSIS OF PERSEIDS METEOR SHOWER ON 144MHz
UPDATE: ON MY QO100 STATION JULY 2021
ALL SYSTEMS WORKING WELL
the FINAL AMP (for DATV and NB ... also for parallel use) i made an upgrade to an
ASYMMETRICAL DOHERTY AMP MODULE 2.3-2.4GHz with A3T23H300W23S (CHINA PALLET)
It giving the max legal power in DL (75W) also in DVB-S2 MODE and working stable
and with very good signal quality and efficiency !
MY QO 100 STATION (May/June 2020)
ADALM PLUTO 0.1ppm TCXO, PTT out, F5OEO Firmware as SDR TRX via ETHERNET and USB (local) connection
RX ANTENNA: 120cm OFFSET DISH, TWIN LNB (modified with low noise TCXO) for NB & WB parallel
and for RainscatterMonitoring on 10368MHz
(LNB WITH FULL BAND COVERAGE 10.35 to 12.75GHz)
TX ANTENNA: 120cm PF DISH with HM HELIX FEED, AMPILIFIERs MGF0906, MW7IC2240 for NB Transponder
or MRF21120, 2xMRF7S21110 for WB Transponder - DATV
and also
portable setup with 60cm or 85cm dishes
READY for Es'HailSat 2
UPDATE MARCH/APRIL 2020: DATV BEACON CHANGES
SEPTEMBER 2019: WITH IMPORTANT AND ADDITIONAL INFORMATION about
8.APRIL 2017: simple and stable modification of OCTAGON OTLSO TWIN LNB
MULTIBAND SDR MONITOR
24.NOVEMBER 2017: MULTIBAND SDR-MONITORING SYSTEM with ARM-MINI PCs
(1 YEAR QRV ... online since Nov.2016)
(update: October2018 - reconfiguration after 2years of operation)
(update: November2018 - use of WSJTX1.9.1 and WSJTX2.0.0)
my homemade 2m EME antennas:
DG0OPKs 4x9EL LOW SIDELOBE SYSTEM - JUNE 2007 + update 2010
(update: March2016 - VERIFICATION OF RESULTS AFTER 6 YEARS OF OPERATION)
DG0OPKs 4x8EL LOW SIDELOBE SYSTEM - MARCH 2007
6m/4m dual band receive converter for SDR-IQ
or other shortwave RXes 2-30MHz
modification of DC8RI converter for dual band use 4m/6m - JUNE 2015
RECEIVING 4M-LX0OHB:
RECEIVING 4M-LX0OHB with my small EME-ARRAY - OKT/NOV 2014
PI4 beacon monitoring:
receiving the OZ7IGY in PI4 via AIRCRAFTSCATTER - MAY/JUNE 2013
homemade shortwave wire antennas:
G5RV/ZS6BKW ANALYSIS and 5 BAND OCF-DIPOLE - NOVEMBER 2013
HV7CX mobile whip QRV on 9 bands:
Modification of HV7CX for 40,20,15,11,10,6,4,2m and 70cm - NOVEMBER 2013
my homemade 2m preamplifier:
DG0OPKs ATF54143 PREAMPLIFIER - MAY 2012
my homemade 2m SSPA:
DG0OPKs 2xSD2942 SSPA - AUGUST 2011
SWL ON SHORTWAVE:
DG0OPKs WIDEBAND ACTIVE T2FD ANTENNA - APRIL 2012
QRP-EME:
DG0OPKs QRP EME STATISTICS ...
(all is done with max 150W at the feedpoint)
IF YOU NEED A QSL CARD FOR A QSO:
send direct or via
DARC BUREAU
73 de MICHAEL
73 de MICHAEL