Looking for Electrical Dispatcher, NASA Glenn Research Center Opening & Closing the office - Upon arrival the first person in shall call Emergency Dispatch (2088) to let them know the office is now manned. This action shall be recorded in the Log. The last person out for the day shall turn off room 100 lights, lock the outside doors and inform Emergency Dispatch. This action shall also be recorded in the Log on a daily basis. Hours of Operation - During normal two shift operations the EPD office will be staffed (M-F) between the hours of 7am and midnight, 7am-5pm during summer and winter shutdown, (or otherwise scheduled). Three shifts will be scheduled as needed. Bowling Sheets - Will be filled out with megawatts consumed by lab and test cells to within 1 hour of the end of an operators shift. Switching Orders - Are to be written upon request for work to be done. A copy of the Switching Order will be placed in the Master library when ready for correction. Prints are to be included from the EPD library with every Switching Order. One-line drawing are not to be revised manually; uncontrolled copies are not permitted to be used with Switching Orders. Lockout/Tagout & PT Tags - All tag action occurring during an operators shift shall be filled out with On/Off information at the operator’s earliest convenience but will be performed before end of shift. This shall include all Electrical and – Series Tags. This information shall also be included in the Daily Log with the Switching Order Number if applicable. Daily Log - Shall include: All EPD Operator Breaker Switching actions. All Central Process Systems equipment Start and Stop times. All permissive issued/removed for 10X10, 9X15 & 8X6 wind tunnels. All personnel into or out of Substations and Unit Subs as reported to us by phone or radio. All FEC correspondence including contact name and purpose. All switching order actions All deviation from normal configuration. Place all notes that field personnel want in the log. These duties are subject to change as per management. Addition duties maybe assigned. • The office will not be unmanned at any time other than rest room breaks. Meetings will be attended as necessary but calling in to the meetings should be the option utilized if only one person is on shift. There will be no extended breaks away from the office. • All employees are expected to work the times, days and hours scheduled. Time may not be "Made Up" by coming in early or staying late. Personal/Sick time will be used. • Operators are permitted to trade shifts with other operators on a week-by-week basis if both parties agree but must be pre-approved by the work lead.
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This #ThrowbackThursday, take a minute to read about 100 years of radio innovation! Thanks to IEEE for this detailed retrospective on the tech we love. #RFTechnology #engineering #communicationsystems #SIGINT #ELINT
100 Years of the Institute of Radio Engineers
spectrum.ieee.org
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Microwave Communication Interview QnA (Part II) Q. How does Frequency and Wavelength relate in Microwave Communication? A. The frequency and wavelength are inversely proportional. Higher frequencies have shorter wavelengths, and lower frequencies have longer wavelengths. In microwave communication, higher frequencies are typically used for better bandwidth. Q. What is Fading in Microwave Communication? A. Fading is the variation of signal strength due to changes in the transmission medium, such as atmospheric conditions. It can be mitigated using techniques like diversity reception. Q. Explain Diversity Reception. A. Diversity reception involves using multiple antennas at the receiver. The system switches between antennas to overcome fading, ensuring a more reliable communication link. Q. What is Antenna Gain in Microwave Systems? A. Antenna gain is a measure of the concentration of radiated power in a specific direction. Higher antenna gain results in a more focused and stronger signal in the desired direction. Q. Discuss the importance of Fresnel Zone in Microwave Links. A. The Fresnel Zone is an elliptical area around the visual line of sight that must be clear for optimal signal transmission. Interference within this zone can cause signal degradation. Q. What is Rain Attenuation, and how does it affect Microwave Links? A. Rain attenuation is the absorption and scattering of microwave signals by raindrops. It can result in signal loss, and proper link budget calculations are necessary to account for it. Q. Describe the term "Microwave Link Budget" and its components. A.A microwave link budget is a comprehensive analysis of all gains and losses in a communication link. Components include transmitter power, cable losses, free space path loss, and receiver sensitivity. Q. How does Frequency Reuse work in Microwave Networks? A. Frequency reuse involves using the same frequency for multiple links in a network. It optimizes spectrum utilization, allowing more links to operate simultaneously without interference. Q. Discuss the role of the IF (Intermediate Frequency) in Microwave Receivers. A. The IF is an intermediary frequency used in the receiver to simplify signal processing. It allows for easier filtering, amplification, and demodulation of the received signal. Q. What are the key considerations when designing a Microwave Link for a specific distance? A. Design considerations include the required availability, frequency selection, antenna height, and appropriate modulation scheme. Detailed link budget calculations are essential for successful design. Q. Discuss the challenges and solutions related to Co-Channel Interference in Microwave Networks. A. Co-Channel Interference occurs when multiple links share the same frequency. Solutions include frequency planning, proper antenna placement, and the use of advanced interference mitigation techniques.
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Microwave Communication Interview QnA Q. How does Frequency and Wavelength relate in Microwave Communication? A. The frequency and wavelength are inversely proportional. Higher frequencies have shorter wavelengths, and lower frequencies have longer wavelengths. In microwave communication, higher frequencies are typically used for better bandwidth. Q. What is Fading in Microwave Communication? A. Fading is the variation of signal strength due to changes in the transmission medium, such as atmospheric conditions. It can be mitigated using techniques like diversity reception. Q. Explain Diversity Reception. A. Diversity reception involves using multiple antennas at the receiver. The system switches between antennas to overcome fading, ensuring a more reliable communication link. Q. What is Antenna Gain in Microwave Systems? A. Antenna gain is a measure of the concentration of radiated power in a specific direction. Higher antenna gain results in a more focused and stronger signal in the desired direction. Q. Discuss the importance of Fresnel Zone in Microwave Links. A. The Fresnel Zone is an elliptical area around the visual line of sight that must be clear for optimal signal transmission. Interference within this zone can cause signal degradation. Q. What is Rain Attenuation, and how does it affect Microwave Links? A. Rain attenuation is the absorption and scattering of microwave signals by raindrops. It can result in signal loss, and proper link budget calculations are necessary to account for it. Q. Describe the term "Microwave Link Budget" and its components. A.A microwave link budget is a comprehensive analysis of all gains and losses in a communication link. Components include transmitter power, cable losses, free space path loss, and receiver sensitivity. Q. How does Frequency Reuse work in Microwave Networks? A. Frequency reuse involves using the same frequency for multiple links in a network. It optimizes spectrum utilization, allowing more links to operate simultaneously without interference. Q. Discuss the role of the IF (Intermediate Frequency) in Microwave Receivers. A. The IF is an intermediary frequency used in the receiver to simplify signal processing. It allows for easier filtering, amplification, and demodulation of the received signal. Q. What are the key considerations when designing a Microwave Link for a specific distance? A. Design considerations include the required availability, frequency selection, antenna height, and appropriate modulation scheme. Detailed link budget calculations are essential for successful design. Q. Discuss the challenges and solutions related to Co-Channel Interference in Microwave Networks. A. Co-Channel Interference occurs when multiple links share the same frequency. Solutions include frequency planning, proper antenna placement, and the use of advanced interference mitigation techniques. #microwave #transmission
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Microwave Communication Interview QnA (Part II) Q. How does Frequency and Wavelength relate in Microwave Communication? A. The frequency and wavelength are inversely proportional. Higher frequencies have shorter wavelengths, and lower frequencies have longer wavelengths. In microwave communication, higher frequencies are typically used for better bandwidth. Q. What is Fading in Microwave Communication? A. Fading is the variation of signal strength due to changes in the transmission medium, such as atmospheric conditions. It can be mitigated using techniques like diversity reception. Q. Explain Diversity Reception. A. Diversity reception involves using multiple antennas at the receiver. The system switches between antennas to overcome fading, ensuring a more reliable communication link. Q. What is Antenna Gain in Microwave Systems? A. Antenna gain is a measure of the concentration of radiated power in a specific direction. Higher antenna gain results in a more focused and stronger signal in the desired direction. Q. Discuss the importance of Fresnel Zone in Microwave Links. A. The Fresnel Zone is an elliptical area around the visual line of sight that must be clear for optimal signal transmission. Interference within this zone can cause signal degradation. Q. What is Rain Attenuation, and how does it affect Microwave Links? A. Rain attenuation is the absorption and scattering of microwave signals by raindrops. It can result in signal loss, and proper link budget calculations are necessary to account for it. Q. Describe the term "Microwave Link Budget" and its components. A.A microwave link budget is a comprehensive analysis of all gains and losses in a communication link. Components include transmitter power, cable losses, free space path loss, and receiver sensitivity. Q. How does Frequency Reuse work in Microwave Networks? A. Frequency reuse involves using the same frequency for multiple links in a network. It optimizes spectrum utilization, allowing more links to operate simultaneously without interference. Q. Discuss the role of the IF (Intermediate Frequency) in Microwave Receivers. A. The IF is an intermediary frequency used in the receiver to simplify signal processing. It allows for easier filtering, amplification, and demodulation of the received signal. Q. What are the key considerations when designing a Microwave Link for a specific distance? A. Design considerations include the required availability, frequency selection, antenna height, and appropriate modulation scheme. Detailed link budget calculations are essential for successful design. Q. Discuss the challenges and solutions related to Co-Channel Interference in Microwave Networks. A. Co-Channel Interference occurs when multiple links share the same frequency. Solutions include frequency planning, proper antenna placement, and the use of advanced interference mitigation techniques.
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Basic knowledge of a communication Engineer
Manager @ Bharti Airtel | R&D MW Engineer (Huawei Technology) | Flexi Trainer (Ericsson)
Microwave Communication Interview QnA (Part II) Q. How does Frequency and Wavelength relate in Microwave Communication? A. The frequency and wavelength are inversely proportional. Higher frequencies have shorter wavelengths, and lower frequencies have longer wavelengths. In microwave communication, higher frequencies are typically used for better bandwidth. Q. What is Fading in Microwave Communication? A. Fading is the variation of signal strength due to changes in the transmission medium, such as atmospheric conditions. It can be mitigated using techniques like diversity reception. Q. Explain Diversity Reception. A. Diversity reception involves using multiple antennas at the receiver. The system switches between antennas to overcome fading, ensuring a more reliable communication link. Q. What is Antenna Gain in Microwave Systems? A. Antenna gain is a measure of the concentration of radiated power in a specific direction. Higher antenna gain results in a more focused and stronger signal in the desired direction. Q. Discuss the importance of Fresnel Zone in Microwave Links. A. The Fresnel Zone is an elliptical area around the visual line of sight that must be clear for optimal signal transmission. Interference within this zone can cause signal degradation. Q. What is Rain Attenuation, and how does it affect Microwave Links? A. Rain attenuation is the absorption and scattering of microwave signals by raindrops. It can result in signal loss, and proper link budget calculations are necessary to account for it. Q. Describe the term "Microwave Link Budget" and its components. A.A microwave link budget is a comprehensive analysis of all gains and losses in a communication link. Components include transmitter power, cable losses, free space path loss, and receiver sensitivity. Q. How does Frequency Reuse work in Microwave Networks? A. Frequency reuse involves using the same frequency for multiple links in a network. It optimizes spectrum utilization, allowing more links to operate simultaneously without interference. Q. Discuss the role of the IF (Intermediate Frequency) in Microwave Receivers. A. The IF is an intermediary frequency used in the receiver to simplify signal processing. It allows for easier filtering, amplification, and demodulation of the received signal. Q. What are the key considerations when designing a Microwave Link for a specific distance? A. Design considerations include the required availability, frequency selection, antenna height, and appropriate modulation scheme. Detailed link budget calculations are essential for successful design. Q. Discuss the challenges and solutions related to Co-Channel Interference in Microwave Networks. A. Co-Channel Interference occurs when multiple links share the same frequency. Solutions include frequency planning, proper antenna placement, and the use of advanced interference mitigation techniques. #interview #microwave #fading #interference #linkbudget #LOS
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The demand for services in sectors like electrical, power, and digital is growing. However, they face unique operational challenges that can be solved by highly skilled support staff. Check out the blog to learn how "Uberization" can help. http://spr.ly/6048umiHy #LifeIsOn
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The demand for services in sectors like electrical, power, and digital is growing. However, they face unique operational challenges that can be solved by highly skilled support staff. Check out the blog to learn how "Uberization" can help. http://spr.ly/6048umpcy #LifeIsOn
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The demand for services in sectors like electrical, power, and digital is growing. However, they face unique operational challenges that can be solved by highly skilled support staff. Check out the blog to learn how "Uberization" can help. http://spr.ly/6043uLubV #LifeIsOn
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#Transformation of the energy supply will not work without IT. That's why we need your #IT know-how on our growth path. Apply to us and become part of the #transformation! https://lnkd.in/e_-mptVr
Software Anwendungsberater und -Support (m/w/d) | XING Jobs
xing.com
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Hello dear colleagues and fellow professionals! Today, I want to share with you about one of the technical solutions that continues to exhibit outstanding efficiency in data transmission - the coaxial cable. In this age of ever-evolving technologies, coaxial cables still hold their ground and find successful applications in various fields. Advantages of Coaxial Cables: 1. Reliable Data Transmission: Coaxial cables are known for their high reliability, making them particularly valuable in critical applications where continuous and stable data transmission is a priority. 2. Wide Range of Applications: One of the key advantages of coaxial cables is their versatility. They are used in television technology, telephone networks, computer networks, video surveillance systems, and radio communications. 3. Protection from External Interference: Coaxial cables are designed to provide high protection against external electromagnetic and radio frequency interferences, reducing the likelihood of data disruptions and distortions. 4. Good Bandwidth Capacity: Coaxial cables possess good bandwidth capacity, making them an excellent choice for transmitting high-frequency signals and high-speed data. 5. Cost-Effectiveness: Compared to some of the newer technologies, coaxial cables remain a more affordable and cost-effective solution. In addition to these advantages, it is worth mentioning that coaxial cables boast excellent durability, allowing them to maintain their performance over extended periods without compromising data transmission quality. While new technologies, such as fiber optics, are actively advancing, it is essential to recognize that there is not always a need to replace existing working solutions. In many cases, coaxial cables continue to be the optimal choice. In my work and projects, I often encounter the use of coaxial cables, and their efficiency never fails to impress me. I would love to hear your experiences and opinions on using coaxial cables. Please share your insights in the comments! #coaxialcables #datatransmission #technologies #professionalexperience
Interested parties should send resume to MTI at jobs@mainthia.com