GENESIS Ground Station Fidelity

Antenna capabilities

RAEGYEB

HARTVGS

ISHIOKA

NASA (MGO/KPGO)

NASA(Brazil)

WETTZ13S

Contact:

Javier Gonzalez Garcia <j.gonzalez@oan.es>

Jonathan Quick <jon@hartrao.ac.za>

荒木詩乃 <araki-s96mn@mlit.go.jp>

Dorman, Jeffrey L. (GSFC-5850) <jeffrey.l.dorman@nasa.gov>

dco@bkg.bund.de

Is your antenna able to track satellites?

YES

I believe so, but obviously would need to test that. We have already tracked a spacecraft on a lunar mission in early March.

GSI has never done satellites tracking at ISHIOKA.
We can share the information about ACU of antenna made by OHB.
Please see attached pictures.

NASA VGOS stations are interested to support GENESIS, but we would have to make some configuration changes at our stations. We will likely need the support from Ed Himwich to complete those changes, and/or purchase and install a satellite tracking s/w toolkit for the Calian VGOS antennas we have at MGO and KPGO.

A new NASA 12-meter system in Brazil has this software installed now.

YES

Does your antenna support continuous tracking or

YES

It can track splines in RaDec or AzEl

YES

step-wise RaDec-tracking?

YES

It can track splines in RaDec or AzEl

YES

If not, can it be extended to track satellites until 2028?

Almost certainly. The underlying ACU already includes a TLE capability.

What do you need for the tracking (e.g.,TLEs)?

TLE

I believe a TLE would work already - via the FS satellite command.

TLE

Folder

Current equipment

What is you current equipment? We want to update the info on https://www.ivs-technology-coordinator.info/ivs-station-data/.

IVS Technology Coordinator Web Page

Editing under progress

We updated current equipment information. Please see attached file (Isioka_equipment_20250404.xlsx).

Under update

IVS Technology Coordinator Web Page

20250404_ISHIOKA_Isioka _equipment_20250404.xlsx

Can your frontend, converters, and backend be adapted to the listed frequencies (LOs if used, etc.)?

YES

YES, with new up-down-converter

No, because of Down-Converter

Can your digital baseband converter / digitizers handle the smaller bands of 200 MHz or 320 MHz?

Fixed bandwidth is 32 MHz, but can process a 512 MHz input bandwidth.

YES

Maybe YES

YES (not tested)

Spectrum

Do you have spectrum information, e.g., spectra plots, for the above bands?

graphs measured by Marta corresponding to the ambient radio spectrum around the observatory in the GENESIS bands:

No

We send the data of RFI survey in 2024. It's the spectral data observed in the zenth position. If you need other data, please contact us.

Yes

20250401_RAEGYEB_3.1-3.3GHz.png

20250404_ISHIOKA_20240619 _0-90_H_OPT_0_15_ave.xlsx

20250401_RAEGYEB_5.2-5.5GHz.png

20250401_RAEGYEB_8.2-8.5GHz.png

20250401_RAEGYEB_9.3-9.8GHz.png

Do you have any restrictions for these bands (e.g., directional dependencies, known elevation masks)?

NO

I'm just worried that the aircraft avoidance radar of our MOBLAS-6 SLR System may be a factor in band 4.

Our antenna has noise in the 7 GHz band due to superconductor filter.

No known restrictions

Antenna quality

Can you send the latest SEFD or system temperature values?

The log of the last 24h session held in 2023 is attached. It includes SEFD, Tsys for many azels and sources.

See recent IVS logfiles.

Latest data is listed in the table in attached file (Isioka_equipment_20250404.xlsx).

Under preparation after repair

Under preparation

Do you have SEFDs for different elevation positions?

I have a few days of data on Cygnus A, but would need to collect some on
Taurus A and perhaps Virgo A to give you 24 hour coverage. Unfortunately we
can't see Cas A.

No

Under preparation

Do you have graphs from fivept, onoff, acquire for a gain calibration, or the log files of a longer observation or something similar, which we can use to get a 24-hour data set for different sources (e.g., cygnusa, casa, taurusa, virgoa, etc.)?

No

20250401_RAEGYEB_acquir_215.log.bz2

20250404_ISHIOKA_Isioka_ equipment_20250404.xlsx