Technical Specifications; Electrical Characteristics - Holux GR-87 User Manual

GPS
Product series

3. Technical Specifications

3.1. Electrical Characteristics

3.1.1 General
1). Frequency：L1, 1575.42 MHz.
2). C/A code：1.023 MHz chip rate.
3). Channels：20.
3.1.2 Accuracy (Open Sky)
1). Position：10 meters, 2D RMS.
2). 7 meters 2D RMS, WAAS corrected.
3). 1-5 meters, DGPS corrected.
4). Altitude ：< ± 35m Vertical in term of 95%.
5). Velocity：0.1 meters/second.
6). Time 1 microsecond synchronized to GPS time.
3.1.3 Datum
1). Default：WGS-84.
2). Other Support different datum by request.
3.1.4 Acquisition Rate (Open sky, stationary requirements)
1). Reacquisition：0.1 sec., average.
2). Hot start：1 sec., average.
3). Warm start：38 sec., average.
4). Cold start：42 sec., average.
3.1.5 Dynamic Conditions
1). Altitude : 18,000 meters (60,000 feet)max.
2). Velocity：515 meters/second (1000 knots) max.
3). Acceleration：4g, max.
4). Jerk：20 meters/second, max.
3.1.6 Power
1). Input power input：3.3~5.5 VDC input.
2). Input current: Less than 80 mA (without antenna) .
3). Backup power: 3V Rechargeable Lithium cell battery, up to 500 hours
discharge.
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw
With HOLUX, You never lose the way!
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