| 1. Identity statement | |
| Reference Type | Slides (Audiovisual Material) |
| Site | mtc-m16c.sid.inpe.br |
| Holder Code | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
| Identifier | 8JMKD3MGP8W/34BG6CR |
| Repository | sid.inpe.br/mtc-m18@80/2008/12.04.19.27.23 (restricted access) |
| Last Update | 2008:12.04.19.27.22 (UTC) seeger05 |
| Metadata Repository | sid.inpe.br/mtc-m18@80/2008/12.04.19.27.26 |
| Metadata Last Update | 2018:06.04.04.05.51 (UTC) administrator |
| Citation Key | AntunesSchuSiquTriv:2008:RaInMo |
| Title | Radio interference monitoring at the Brazilian Southern Space Observatory  |
| Format | On-line |
| Year | 2008 |
| Access Date | 2024, Apr. 27 |
| Number of Files | 1 |
| Size | 9500 KiB |
| 2. Context | |
| Author | 1 Antunes, Cassio Espíndola 2 Schuch, Nelson Jorge 3 Siqueira, Josemar de 4 Trived, Nalin Babulal |
| Group | 1 RSU-CIE-INPE-MCT-BR 2 RSU-CIE-INPE-MCT-BR 3 RSU-CIE-INPE-MCT-BR 4 DGE-CEA-INPE-MCT-BR |
| Affiliation | 1 Instituto Nacional de Pesquisas Espaciais (INPE) 2 Instituto Nacional de Pesquisas Espaciais (INPE) 3 Instituto Nacional de Pesquisas Espaciais (INPE) 4 Instituto Nacional de Pesquisas Espaciais (INPE) |
| Conference Name | International Astronautical Congress, (59th). |
| Conference Location | Glasgow, Scotland |
| Date | 29 september - 03 October |
| Publisher | Instituto Nacional de Pesquisas Espaciais |
| Publisher City | São José dos Campos |
| History (UTC) | 2008-12-04 19:27:26 :: seeger05 -> administrator :: 2018-06-04 04:05:51 :: administrator -> seeger05 :: |
| 3. Content and structure | |
| Is the master or a copy? | is the master |
| Content Stage | completed |
| Transferable | 1 |
| Abstract | The Southern Space Observatory - SSO/CRS/CIE/INPE - MCT, (29S, 53W) at São Martinho da Serra, RS, in South of Brazil, carried out several radio sciences experiments. One of the main points for the success of such researches is the observed low level of electromagnetic noise, either natural or anthropogenic radio frequency sources. This was one of the main factors for choosing the site location for the SSO. For monitoring the interference level at the Observatorys site it is realized, since 1992, the periodic data acquisition on the 10-240MHz range of radio frequency. The procedures to determine the radio noise level were realized using one spectrum analyzer and an omnidirectional antenna. The methodology of data acquisitions was to amplify the signal from the antenna, then evaluate this signal in one spectrum analyzer, through a GPIB. The data is instantly transmitted from SSO to the Radio Frequency and Telecommunication Laboratory at the Southern Regional Space Research Center - CRS/CIE/INPE - MCT, in Santa Maria, RS, for further analysis and stored, allowing monitoring the Electromagnetic Spectrum power for long periods. The site quality is remarkable, as the power of the Electromagnetic Spectrum is much lower than that measured at the Radio Frequency and Telecommunication Laboratory, in Santa Maria,RS, where the signals do not exceed -60 dB. On the Site at the SSO, due to the low power observed, weak radio signals can only be received by using good quality amplifiers. Another important feature is that in the frequency range between 115 to 180 MHz, no significant signal power is observed in this Electromagnetic Spectrum range The several observations of the Electromagnetic Spectrum at the SSO, obtained since 1992, are compared with the currents observations. The analyze among different frequency bands, during these periods of data acquisition, show that the SSO remain free of any strong electromagnetic interference, being ideal for the installation of radio astronomic instrumentation. |
| Area | CEA |
| Arrangement 1 | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDGE > Radio interference monitoring... |
| Arrangement 2 | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > CRCRS > Radio interference monitoring... |
| doc Directory Content | access |
| source Directory Content | there are no files |
| agreement Directory Content | there are no files |
| 4. Conditions of access and use | |
| Language | en |
| Target File | IAC 2008 presentation IAC-08-B1.I.6 Cassio V_1.2 Comparative studies...pps |
| User Group | seeger05 |
| Visibility | shown |
| Read Permission | deny from all and allow from 150.163 |
| 5. Allied materials | |
| Next Higher Units | 8JMKD3MGPCW/3EU29DP 8JMKD3MGPCW/3EUFCFP |
| Host Collection | sid.inpe.br/mtc-m18@80/2008/03.17.15.17 |
| 6. Notes | |
| Empty Fields | archivingpolicy archivist booktitle callnumber contenttype copyholder copyright creatorhistory descriptionlevel dissemination documentstage doi e-mailaddress electronicmailaddress isbn issn keywords label lineage mark mirrorrepository nextedition notes numberofslides orcid parameterlist parentrepositories previousedition previouslowerunit progress project readergroup resumeid rightsholder schedulinginformation secondarydate secondarykey secondarymark secondarytype session shorttitle sponsor subject tertiarymark tertiarytype type url versiontype volume |
| 7. Description control | |
| e-Mail (login) | seeger05 |
| update | |