HamGeek E310 sdr radio under test.
Saturday, April 19, 2025
Thursday, February 20, 2025
QO-100 Portable setup project is finished...
The portable setup for QO-100 Geostationary satellite for portable and Emergency operations is finished.
The heart of system is the LibreSDR (with Tezuka 0.1.0 firmware), an 50 db LNA preamplifier and SGLabs Power Amplifier with 3,5 turns helix antena (IceCone type) for TX.
On RX side there is a BullsEye LNB and Bias-T insertor.
Soon from KM36VC and KM35 Grid locators...!!!!
Friday, January 24, 2025
SV5BYR QO-100 satellite Portable setup...
Portable QO-100 setup in progress. All components (except LibreSDR) are under way from AliExpress and this is the design of setup.
Target is to be ready by 14 Feb 2025 that is satellite birthday and operate from KM36CV and later from KM35 grid squares.
More pictures and explanations come soon.
Stay tuned....
Sunday, January 12, 2025
ZynQ AD9363 Libre SDR at Shack...
Playing with new toy for my QO-100 portable operations, testing Tezuka firmware.
Friday, January 3, 2025
Monday, December 18, 2023
49:1 UN-UN for EFHW Antenna...
UN-UN transformer construction for HF use (1-30 MHz)
The winding...
Boxed...
Test with NanoVNA from 1 to 30 MHz (without 100pF Capacitor)
Adding the Capacitor to improve higher bands...
Saturday, December 16, 2023
Wednesday, December 13, 2023
Monday, December 11, 2023
ISS Primary School Contact from Dodecanese...
ISS Primary School Contact from Dodecanese
we are ready...!!!!
14 December an ISS contact with Primary School of Zipari Kos, Zipari, Greece
The
amateur radio ground station for this contact is on the island of Kos
in the Dodecanese in Greece. Amateur radio operators using call sign SV5BYR, will operate the ground station to establish and maintain the ISS connection.
This
is a direct contact via Amateur Radio allowing students to ask their
questions of Astronaut Andreas Mogensen, amateur radio call sign KG5GCZ.
info school
The
Primary School of Zipari is located on the island of Kos in the
Dodecanese in Greece. The Island of Kos, with a population of 35,000, is
in the southern part of the country. The school serves 400 students
aged 6-12 and 45 teachers, and participates in innovative programs such
as European Erasmus+ programs and often takes part in Pan-Hellenic
competitions.
This
year an Astronomy School Club was formed to prepare students for this
ARISS contact. Other student activities include participation in the ESA
Moon camp challenge (2nd and 6th grade students), robot building, how
to track the ISS, and amateur radio communication (including morse
code).
The downlink frequency for this contact is 145.800 MHz FM and may be heard south europe.
The radio contact is at 15:17(Greece) - 13:17 UTC
The public is invited to watch the live stream at https://www.youtube.com/channel/UCVW_nsutRMEfS2e8tURrltw
and also at https://linktr.ee/zipariss2023
