Спутник связи. PCSAT. [Редактировать]

Экспериментальный космический аппарат. Представляет собой покрытый солнечными элементами куб с ребром около 30 см. Создан студентами Военноморской академии. Основная задача КА – передача сообщений от мобильных абонентов, оборудованных приемниками GPS и приемопередающими радиостанциями, в сеть ASTARS.

Дополнительные наименования

#НаименованияПоиск в новостяхПоиск в документах
1Prototype Communications SATelliteНайтиНайти
2OSCAR 44НайтиНайти
326931НайтиНайти

Дополнительная классификация

#Наименования
1Страна оператор(владелец) - США
2Тип оператора(владельца) - государственный
3Тип орбиты - НОО
4Страна производитель - США
5Все спутники связи

Пусковые характеристики

#ХарактеристикаЗначение
1Код NSSDC2001-043C

Информация об удачном запуске

#ХарактеристикаЗначение
1Дата пуска2001-09-30 at 02:40:00 UTC
2Полезная нагрузка 1xStarshine 3
3Полезная нагрузка 1xPicosat 9
4Полезная нагрузка 1xPCSAT
5Полезная нагрузка 1xSapphire
6Ракета-носитель 1xАфина 1

Найдено 150 документов по запросу «PCSAT». [Перейти к поиску]


Дата загрузки: 2016-12-21
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0.14/5
... (HUNCH)........................................................ Prototype Communications Satellite System-2 (PCSat-2)............................................................................... Space Engineering Institute, Texas A&M ....................................................................................................... Agricultural... PCG-EGN PCG-STES-RGE PCSat PEACE PESTO PFMI PGBA PMDIS... 47 PROTOTYPE COMMUNICATIONS SATELLITE SYSTEM-2 (PCSAT-2) PART OF MATERIALS INTERNATIONAL SPACE... the Prototype Communications Satellite System-2 (PCSat-2). PCSat-2 is an amateur satellite communications... the free-flying satellite called PCSat. The radio system provides telemetry... on PCSat-2 hardware before launch on STS-114. STUDENT ACTIVITY PCSat-2 was... PCSat-2 hardware and its ongoing operations. The principal use of the PCSat... the emergency communications capabilities of PCSat-2 for relaying mobile position data..., and e-mail. They also used PCSat-2 to track their traditional football... P6 truss during Expedition 11. PCSat-2 is protected by a golden thermal... 1 18 Educational Demonstrations 26 30 PCSat-2 AgCam 27 1,663 17 HUNCH...



Дата загрузки: 2017-06-14
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0.28/5
SSC02-I-5 PCsat Success! and Follow-on Payloads ... FAX 410-239-2591 Abstract PCsat was designed and built as.... An additional unique feature of PCsat was the integration of multiple... and communications live from anywhere. PCsat was a complete success and it... sumarizes the design details for PCsat and highlights of the first.... THE PCsat APRS MISSION The APRS Mission as implemented in PCsat is... satellites would join our own PCsat, and other University built small... Satellites SSC02-I-5 Once in orbit, PCsat operated flawlessly except for a failed... data live to the http://pcsat.aprs.org web page so... Communications Satellite (PCsat) with Antennas The Space segment of PCsat/APRS had... recently via SUNSAT and ISS. PCsat operated under the rules of... PCsat mission can be found at: http://www.ew.usna.edu/pcsat....edu/~bruninga/ astars.html Further PCsat communications were used in a number... England and in New Zealand PCsat was used to relay the... Arctic winter and into spring, PCsat was used by VE4DS near..., PCsat and Design Team PCsat Mission Accomplishments R. Bruninga Also in March 2002, PCsat... June 2002. The popularity of PCsat was evidenced by coverage on... use PCsat on a single afternoon series of three passes. Although PCsat can... day short fuzed demonstration before PCsat entered deep eclipses. LESSONS LEARNED The following elements of PCsat’s design were validated and performed... phases of the orbit and PCsat’s magnetic stabilization, this impact was... during these eclipse times makes PCsat now only usable in the... high eclipse seasons. FUTURE PCsat Follow-on Missions PCsat’s comm. system was... Satellites SSC02-I-5 satellite projects. Although PCsat used the Kantronics KPC9612+ TNC..., ISS, SUNSAT, OPAL, PCsat, SAPPHIRE and STARSHINE-3. But PCsat was the The.../CONTROL channel as well. The PCsat 9600 Baud KPC-9612+ The... 9612+ TNC as used on PCsat adds a second comm. port to... and Control for PCsat. The PCsat MISSION DESIGN DETAILS The PCsat APRS mission... to send and receive the PCsat ASTARS BACKGROUND R. Bruninga 16th Annual... Unlike previous Amateur Satellite design, PCsat capitalized on the connectivity of... from WB4APR-9 --------------------------------------------------------testing delivery via PCsat from my van en route..., NJ APRS path = WB4APR-9>APK101,PCSAT-1*: USER GROUND STATION EQUIPMENT To... to be well understood. For PCsat this was easy since the.../CONSTRAINTS DESIGN DRIVERS To design PCsat to meet the HT/ Mobile... to arrive at the final PCsat design. 1) MSG delivery to HT... REQUIREMENTS Using the above criteria, PCsat was designed around two KPC... VHF for best downlink budget, PCsat combined both the 1200 and... each TNC as shown below. PCsat used a single VHF half-duplex... paging downlink over North America PCsat uses the dedicated 144.39... commercial off-the-shelf TNCs, PCsat used 3 methods of hardware resets...’s. To make this usable on PCsat, we added a 16to-four hardware... than most existing digital satellites. PCsat accomplishes this by taking advantage... by using a 3 watt transmitter. Further, PCsat operated at a low transmit duty... APRS operations, less than 4% of PCsat’s average transmit power budget was... amateur satellite and educational missions. PCsat has fulfilled this mission objective... the system feeding the http://pcsat.aprs.org web page and... checking on the status of PCsat or other users. The time...-shelf spacecraft design demonstrated by PCsat. This combined with the recent.../~bruninga/www.aprs.net The PCsat Mission and Cubesat Design Notes...



Дата загрузки: 2017-06-14
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0.22/5
GPS Operations on the PCsat Microsatellite Oliver Montenbruck, Sunny Leung ... kg class of micro-satellites. PCsat was built by the United... to the tumbling motion of PCsat and its constantly changing antenna... formation flying spacecraft. Within the PCsat project S. Leung has been in... the build up of the PCsat satellite and led the mission... a small GPS receiver onboard the PCsat Prototype Communications satellite provides an... 2002, Portland, OR Fig. 1 The PCsat microsatellite prior to launcher integration... Sun illumination. THE PCSAT PROTOTYPE COMMUNICATION SATELLITE The PCsat Prototype Communication Satellite... using handheld or mobile radios [1]. PCsat is a cubic satellite of 10..., user communications, and experiment operations. PCsat lacks a gravity gradient stabilization, which... s. THE PCSAT GPS SYSTEM While the main purpose of PCsat consists in... 2.5 W (Fig. 3). Fig. 2 Block diagram of PCsat Telemetry, Command and Control System Unlike most other satellites PCsat contains no board computer. Instead.../control channels. For use on PCsat the original TNC has been... one input bit. For redundancy, PCsat is equipped with two independent... (channel B). Fig. 3 GPS Orion receiver (PCsat flight unit) Receiver Description The... of the Kodiak Star mission, PCsat has been launched on an... been implemented in the revised PCsat software version. Commanding of the.... At the orbiting altitude of PCsat, updates of the twoline elements... downlink capacity. For use on PCsat, port B (connected to the 1200... used for GPS tracking on PCsat Antenna System The GPS receiver... produce valid navigation data. Obviously, PCsat had achieved a more favorable orientation... possible in mid-January, when PCsat was in a full-Sun orbit.... During this time interval the PCsat telemetry system was dedicated to... separation and initial checkout of PCsat, the Orion GPS receiver was... radio amateurs started to track PCsat and collect GPS and housekeeping... these data was collected while PCsat was visible over the continental... mask SUMMARY AND OUTLOOK The PCsat mission provides an illustrative example... to the high altitude of PCsat and a near alignment of the... to the tumbling motion of PCsat and its constantly changing antenna..., Portland, OR 83 ACKNOWLEDGEMENT The PCsat mission marks the first flight... time to collect and provide PCsat telemetry data during the January... this study. REFERENCES [1] Bruninga R.; The PCsat Mission; Procedings of the AMSAT... (2001). [6] Montenbruck O.; PCsat GPS Experiment – LEOP Flight Report, PCsat-DLR-RP-0003...). [7] Leung S., Montenbruck O.; PCsat GPS Experiment – Receiver Software Test Report; PCsat-DLR-RP...



Дата загрузки: 2017-10-09
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0.33/5
GPS TRACKING OF MICROSATELLITES - PCSAT FLIGHT EXPERIENCE Sunny Leung1,3 , Oliver ... DLR was integrated into the PCsat Prototype Communication satellite as an... a small GPS receiver onboard the PCsat Prototype Communications satellite provides an... of the GPS receiver onboard PCsat, a series of GPS experiments had... voltage measurements. 2. THE PCSAT PROTOTYPE COMMUNICATION SATELLITE The PCsat Prototype Communication Satellite... existing terrestrial network (Bruninga, 2001). PCsat is licensed as an Amateur... for control and command purposes. PCsat is design with dual-redundant... data communication. Users can access PCsat via both VHF and UHF....390 kHz. For use on PCsat the original TNC has been... Unit (PK-9612Plus) Side A Fig. 1. PCsat Prototype Communication Satellite. (photo taken... the Kodiak Star mission, the PCsat satellite was launched from Kodiak... of four microsatellites (PICOSat, Sapphire, PCsat and Starshine 3) with a combined weight... about 200 kg into orbit. PCsat was released into a circular orbit... B Fig. 2. Schematic drawing of the PCsat telemetry, command and control system...-B. The NMEA navigation messages permits PCsat to report its own APRS.... The receiver software for the PCsat GPS experiment has a size of.... 3. PCSAT GPS SENSOR SYSTEM Aside from the primary mission of PCsat, which... experiment. For the GPS experiment, PCsat carries an experimental GPS receiver... of the GPS receiver onboard PCsat (Leung et al., 2001). lates... higher than measurements obtained from PCsat due to lower number of... orbit and the attitude of PCsat at the time of the... signal simulation. 4. PCSAT GPS EXPERIMENTS The aims of PCsat GPS Experiment are.... 4 Table 1. GPS tracking campaign and PCsat full-Sun period of 2002... performance validation power resources onboard PCsat, GPS receiver operation is highly... reading of solar panels onboard PCsat and information obtained from the... ground stations distribution for the PCsat GPS tracking campaign. Table 2. Mean... only 30 s as configured for PCsat. 4.2.3. Measurement Accuracy Without a reference orbit... by the GPS receiver onboard PCsat and a mean PDOP value of... PCsat An attempt was made to identify the spin rate of PCsat... experimental GPS receiver onboard the PCsat Prototype Communication satellite was presented... the unfavorable tumbling motion of PCsat. 5th International ESA Conference on..., O. (2001), PCsat GPS Experiment - LEOP flight report, Technical Report PCsat-DLR-RP...- und Raumfahrt, Oberpfaffenhofen. ACKNOWLEDGMENTS The PCsat mission marks the first flight... time to collect and provide PCsat telemetry data during the past... study. REFERENCES Bruninga, R. (2001), The PCsat mission, in ‘Proceedings of the... Air Force. Leung, S. & Montenbruck, O. (2001), PCsat GPS Experiment - receiver software test...



Дата загрузки: 2017-10-09
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0.32/5
... systems of the APRS satellite, PCsat, and makes use of two... students to track and monitor PCsat in orbit, and try their... and receiving greetings messages using PCsat and the packet transponder on... Astronautics Soci- the design of PCsat and supported by ety Magyar... mirrors (polished by workings of PCsat understood by the target audience... December 2000 RadCom, p18 - Ed] PCSAT PCSAT, OR the Personal Communications satellite... the US (see the photo). PCsat differs from previous amateur satellite... data. Other notable features of PCsat are: An on-board GPS... make PCsat visible from earth with a pair of binoculars. USING PCSAT PCSAT IS... the necessary experience and equipment. PCsat can work exclusively on the... to Table 1: Available routes through PCsat’s digipeater, selected by using the..., these are posted on the PCsat website and are frequently updated... others. PCSAT HARDWARE THE PRIMARY and secondary missions of PCsat are performed... used 53 News Feature Fig 1: PCsat’s duplicate radio systems based on... measuring Fig 2: De-scrambling a typical PCsat telemetry packet shows the measured... Star mission as PCsat. The launch vehicle deployed PCsat (and two other..., the same frequency as the PCsat downlink. To allow the participants... to display telemetry data from PCsat, Starshine and ‘PICSAT’ at home... set up to monitor PCsat’s 1200-baud payloads, PCsat and Starshine. They... (PIC-E) circuit, VHF downlinks from PCsat simultane- assembled and programmed (in...://web.ew.usna.edu/~bruninga/pcsat.html baud Tiny 2 into the...://web.ew.usna.edu/~bruninga/pcsat/contract.txt final configuration was...



Дата загрузки: 2017-10-09
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0.2/5
... three Air force Payloads (PICOSat, PCSat, Sapphire) and one NASA sponsored... the NASA sponsored Starshine 3). The PCSat (US Navel Academy) and Sapphire... deployed. PCSat and Sapphire were selected to deploy next. PCSat was designed... a large area for clearance as PCSat separated from the Payload Upper... eliminate the risk of the PCSat’s antenna Background of the Mission... give some time before PCSat separated. After the PCSat spacecraft separated from... Star Mission Design PICOSat, Sapphire, PCSat 800 km 500 km Incl... PUD Sapphire Mate to PUD PCSat Mate to PUD PICOSat Mate...), which was responsible for PICOSat, PCSat, and Sapphire. The NASA sponsored... Project DoD NASA CUSTOMER SATELLITES: -PCSAT -PICOSAT -SAPPHIRE Space Test Program... being the 6 first, then Sapphire, PCSat and finally Starshine 3. This approach... narrow end and Sapphire and PCSat next to each other on.... During the separation test of PCSat the NEA actuator, which held... collision between the Sapphire and PCSat spacecraft due to characteristics of... the same attitude, with the PCSat separation speed being greater than... a 100% probability that Sapphire and PCSat would be within 10 meters... seconds between the Sapphire and PCSat separation events. This added time... time between the Sapphire and PCSat separation events from 10 to... was the case for both PCSat and Starshine. On the first pass over Kodiak, the PCSat separation was confirmed. The mission... pass over Malindi, Kenya (Figure 7). PCSat separation occurred immediately after the...



Дата загрузки: 2016-12-24
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0.13/5
... Huge reduction from transponders on PCSAT’s 1,2, ANDE and RAFT missions Earlier... (Psat Transponders) in Space • • • • • 2001 PCSAT-1 2006 PCSAT2 2007 ANDE 2008... See  live  downlink  on  http://pcsat.aprs.org and  www.ariss... from Previous APRS transponders on PCSAT’s 1,2, ANDE and RAFT missions Now... See  live  downlink  on  http://pcsat.aprs.org and  www.ariss... 32 Dual Hop Operations with PCSAT-1 and PCSAT2: 3/15/16 2010... USNA-0601 Sensor Buoy Baseline PCSAT validates our links PCSAT2 User...



Дата загрузки: 2017-10-09
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0.16/5
... flight experiment onboard the microsatellite PCsat (Prototype Communication Satellite) also demonstrated... simulator, the receiver is onboard PCsat (Prototype Communication Satellite) built by... different set of TLE of PCsat provided by NORAD (from 2001... TLE of the 800 km PCsat orbit SOFTWARE IMPLEMENTATION The software... the Kodiak Star mission, the PCsat satellite of the United States... of four microsatellites (PICOSat, Sapphire, PCsat and Starshine 3) with a combined weight... 6 200 kg into orbit. PICOSat, PCsat and Sapphire were built under... the experimental payload of the PCsat satellite mission. The satellite serves... of a patch antenna (see Fig. 7). PCsat has limited onboard power resources... realized. Fig. 6. Orion GPS receiver (PCsat flight unit) Fig. 7. Monopole antenna... very limited power resources onboard PCsat, the receiver was only tested... the flight opportunity of the PCsat mission. REFERENCE [1] Gill E., Montenbruck O.; Spaceborne...). [7] Leung S., Montenbruck O.; PCsat GPS Experiment – Receiver Software Test Report; PCsat-DLR-RP... (2001). [8] Montenbruck O.; PCsat GPS Experiment – LEOP Flight Report, PCsat-DLR-RP-0003... Raumfahrt, Oberpfaffenhofen (2001). [9] Bruninga R.; The PCsat Mission; Procedings of the AMSAT...



Дата загрузки: 2017-10-09
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0.19/5
... payload to the highly successful PCSAT-1 [1] that was launched on 30... digital communications mission implemented in PCSAT-1, PCSAT2, ANDE, RAFT and MARScom... Service[4]. The Space segment of PCSAT/APRS had been demonstrated a number... via SUNSAT and ISS and PCSAT-1 and 2. Full details of each...://www.ew.usna.edu/~bruninga/pcsat.html http://www.ew.usna..., SUNSAT, OPAL, PCSAT-1 and 2, SAPPHIRE and STARSHINE-3. But PCSAT-1 was the first... radio were successful. In 2001 PCSAT-1 was launched and then PCSAT2... characters in length. PCSAT and the INTERNET Like our PCSAT-1 and PCSAT2...-shelf spacecraft design demonstrated by PCSAT-1 and PCSAT2 and the future... it doesn’t exist. REFERENCES: 1. The PCsat Mission and Cubesat Design Notes....navy.mil/~bruninga/sarex.html 8. PCsat…. Small Satellite Conference, Ogden Utah... 2002 9. GPS Operations on the PCsat Microsatellite, ION GPS 2002, Sept...



Дата загрузки: 2017-04-23
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0.04/5
... are allowed under this definition (e.g. PCSat-2, Pehuensat-1). 2. Untrained personnel (i.e. students) performed...å University / Luleå University of Technology PCSAT US 9/30/01 C 5 US Naval.../21/04 E 1 Arizona State University PCSat 2 US 8/3/05 T 5 US Naval Academy...