16 Giugno 2019 – 4° Antenna Day Continua la lettura di 4° Antenna Day
An International Space Station school contact was planned with participants at Moriah Central School, Port Henry, NY on Tuesday 07 May. The event was scheduled to begin at approximately 13:15 UTC, which is 15.15 CEST.
This school contact has been cancelled due to Space X 17 launch delay and docking.
ARISS school contact planned for New York, USA
An International Space Station school contact has been planned with participants at Moriah Central School, Port Henry, NY on 07 May. The event is scheduled to begin at approximately 13:15 UTC, which is 15.15 CEST.
The contact will be a telebridge between NA1SS and K6DUE. The contact will NOT be audible in Europe, but the school is planning to live stream the event at https://www.youtube.com/channel/UC-bFBNgC1aYdGV493kb5ImA/live
Moriah Central School is located in the foothills of the Adirondack Mountains in upstate New York. It is a K-12 public school with nearly 800 students and 50 teachers. Located near the beautiful Lake Champlain, Moriah Central School is home of the Vikings! With many successful academic and athletic programs such as football, basketball, cheerleading, drama club, band, chorus and many student clubs, many opportunities are available for all students. In addition to a new educational technology center, the district is proud of our distance learning lab, amateur radio station, computer programming classes, and other programs designed specifically in helping the surrounding communities in Essex County. Moriah Central School District proclaims its mission to be the provision of a safe, supportive, and academically challenging environment for all students in our community. We are dedicated to the goals of educational excellence, preparation for college and careers, and the d!
evelopment of a high level of citizenship.
Amateur Radio on the International Space Station (ARISS) is a cooperative venture of international amateur radio societies and the space agencies that support the International Space Station: NASA, Russian Space Agency, ESA, JAXA, and CSA. The US Center for the Advancement of Science in Space (CASIS) and the National Aeronautics and Space Administration (NASA) provide ARISS special support.
ARISS offers an opportunity for students to experience the excitement of Amateur Radio by talking directly with crewmembers on board the International Space Station. Teachers, parents and communities see, first hand, how Amateur Radio and crewmembers on ISS can energize youngsters’ interest in science, technology, and learning.
The primary goal of ARISS is to promote exploration of science, technology, engineering, and mathematics (STEM) topics by organizing scheduled contacts via amateur radio between crew members aboard the ISS and students in classrooms or informal education venues. With the help of experienced amateur radio volunteers, ISS crews speak directly with large audiences in a variety of public forums. Before and during these radio contacts, students, teachers, parents, and communities learn about space, space technologies, and amateur radio. For more information, see www.ariss.org, www.ariss-eu.organd https://www.amsat-on.be/hamtv-summary/.
An International Space Station school contact has been planned for David St-Jacques KG5FYI with Ulluriaq Secondary in Kangiqsualujjuaq, Canada.
The event is scheduled Thursday March 28, 2019 at approximately 16.14 UTC (17.14 CEWT).
The conversation will be conducted in English.
The contact will be a telebridge operated by LU8YY (Buenos Aires – Argentina).
The Canadian Space Agendy CSA are live streaming audio. Likely only the question period but possibly all.
Gaston Bertels ON4WF
JOTA 2018 Continua la lettura di JOTA 2018
Inizio a segnalarvi, per ascoltare sulle varie frequenze il beacon e i QSO già in corso, il link di un ricevitore WebSDR, messo a disposizione da IS0GRB, attivo sul downlink del satellite radioamatoriale geostazionario Es’hail-2: http://websdr.is0grb.it:8901
Qualche altro link, utile a chi fosse curioso attorno a questo nuovo volatile radioamatoriale, la cui copertura (tecnicamente: footprint) è questa (tnx AMSAT-DL):
- info generali (https://amsat-uk.org/satellites/geosynchronous/eshail-2/):
- downlink in banda 3 cm (10 GHz) – richiede una parabola dia. 70-80 cm e un LNB per ricezione TV satellitare con LO commutabile 9,75/10,6 GHz. Polarizzazione: H (traffico a banda stretta, SSB, CW e modi digital), V (traffico a banda larga, DATV);
- uplink in banda 13 cm (2,4 GHz):
- per il traffico a banda stretta (SSB, CW e modi digitali) richiede una parabola come sopra e 5 W;
- per il traffico a banda larga (DATV) richiede una parabola dia. 2,4 m e 100 W…!
- link al Band Plan del transponder a banda stretta (SSB, CW e modi digitali): https://amsat-dl.org/en/p4-a-nb-transponder-bandplan-and-operating-guidelines
- link al Band Plan del transponder a banda larga (DATV): https://amsat-dl.org/en/p4-a-wb-transponder-bandplan-and-operating-guidelines
- link al progetto di AMSAT-DL del convertitore di ricezione da 739/745 MHz (IF convertita da 10,489/10,495 GHz attraverso un comune LNB) a 145 MHz (per banda stretta) e 1339 MHz (per banda larga, mediante RX TV satellitare): https://amsat-dl.org/en/universeller-empfangsmischer-fuer-eshail-2-amsat-phase-4a
- link al progetto di AMSAT-DL del convertitore di trasmissione da 435 MHz a 2400 MHz (100 mW di uscita): https://amsat-dl.org/en/s-band-sendemischer-fuer-eshail-2-phase-4a
- oltre all’autocostruzione, i convertitori iniziano ad essere prodotti dai noti OM prestati al commercio (es. https://shop.kuhne-electronic.com/kuhne/en/onlineshop/Hailsat/).
Es’Hail-2 (P4-A) è un satellite radioamatoriale geostazionario che permette il traffico nei modi SSB, CW e digitali e in DATV: nonostante l’apparente esotismo rappresentato dalle bande di uplink (2,4 GHz) e downlink (10 GHz), è stato concepito per permettere l’impiego di componenti a basso costo, della tipologia usata negli impianti domestici di ricezione TV commerciale via satellite; anche la trasmissione in banda stretta (modi SSB, CW e digitali) è accessibile senza grande sforzo di mezzi, con la stessa grandezza di parabola e 5 W. Inoltre, “orbita geostazionaria” significa puntamento fisso dell’antenna, quindi assenza di rotori e di sistemi d’inseguimento.
73 de Alberto, IZ2EWV
17 Febbraio 2019
Contest Lombardia VHF
Martedi 22/1 ore 21:00 – Serata DMR