The application of GPS jammers in emergency rescue mainly focuses on the following aspects:

1. Improved positioning accuracy:
It is crucial to quickly and accurately locate the victims or rescue teams in emergency rescue operations. GPS jammers can eliminate or weaken interference sources that may affect GPS signals, such as natural obstacles such as buildings and mountains, thereby improving positioning accuracy and ensuring that rescue teams can quickly reach designated locations.

2. Search and rescue mission support:
After a disaster occurs, ground communication is often damaged, and GPS jammers can assist in restoring the communication network. For example, by locating damaged base stations, quickly repairing communication lines, or in remote areas without communication infrastructure, using satellite communication equipment to provide necessary communication support.

3. Disaster assessment and monitoring:
After a disaster occurs, GPS jammers can help rescue teams monitor changes in disaster areas, such as the dynamics of geological disasters such as ground subsidence and landslides. By continuously tracking these changes, potential danger areas can be warned in advance and rescue plans can be optimized.

4. Resource allocation and scheduling optimization:
Effective resource allocation and scheduling are crucial for improving rescue efficiency in large-scale rescue operations. GPS jammers can help rescue command centers monitor the position and movement status of rescue teams in real-time, dynamically adjust the allocation and scheduling of rescue resources based on actual situations, and ensure efficient rescue operations.

5. To avoid false positives and misjudgments:
Accurate information transmission is the key to avoiding false alarms and misjudgments in emergency rescue. GPS jammers can help confirm the authenticity of reports, for example, by comparing the location information of disaster victims, eliminating false reports, and ensuring that rescue resources are allocated correctly.

6. Improve rescue efficiency:
By reducing positioning errors and improving communication efficiency, GPS jammers can significantly improve rescue efficiency. For example, in earthquake rescue, quickly locating the location of trapped individuals can shorten rescue time and reduce casualties.

7. Training and drills:
In regular training and drills, it is possible to simulate real-world environments and improve the recognition and response capabilities of rescue personnel to GPS interference. Through this simulation training, rescue personnel can better cope with unexpected situations in practical operation

8. International rescue cooperation:
In cross-border rescue operations, GPS jammers can help rescue teams from different countries share location information and coordinate operations. This international cooperation helps to improve rescue efficiency and jointly address global disaster challenges.

9. Disaster prevention and preparedness:
In the disaster prevention stage, GPS jammers can assist in monitoring changes in potential disaster areas and provide data support for disaster warning. For example, by monitoring crustal movement, it is possible to predict the possibility of earthquakes and take preventive measures in advance.

10. Environmental monitoring and assessment:
In post disaster environmental assessment, GPS jammers can help monitor environmental changes such as soil erosion and water pollution. These pieces of information are crucial for post disaster reconstruction and environmental restoration work.

Through these applications, GPS jammers play an important role in emergency rescue, helping rescue teams respond more effectively to disasters, reduce losses, and accelerate recovery efforts. However, when using GPS jammers, it is also important to comply with relevant laws and regulations to ensure that their use does not cause unnecessary interference to other legal activities.