The countdown to Neptune ended, and the first Long March 11 rocket leaped out of the erected launch barrel like a missile.

At the same time as the power given by the catapult system was exhausted, the rocket engine turned on in mid-air, and blazing flames erupted, pushing the rocket into the air quickly.

At the same time, in the command room, information related to the launch was constantly broadcast:

"Radar tracking normal ......"

Telemetry ......

"The rocket flew smoothly ......"

Although everyone knew that there should be no problems, after all, it was the first launch, and everyone was a little nervous.

Everyone was staring intently at the big screen, watching the simulation of the rocket's flight status.

Watching the rocket move forward little by little, Mu Feng even felt that the passage of time had become slow.

However, in fact, the orbital altitude of 500 km is a low orbit, and now it is launched from a launch site on the edge of the equator, so it will not take much time.

After more than 40 minutes, the rocket reached the predetermined altitude, and the next step was to use the final booster to propel each of the eight satellites into their own orbits.

The whole process of orbiting and adjusting the eight satellites took just over 20 minutes.

From launch to orbit, the time lasted a little more than an hour, and the large screen in the control center showed that all satellite signals were normal.

Neptune stood up directly and reported loudly:

"Commander, the first batch of 8 remote sensing satellites was successfully launched, and all of them are operating normally!"

Mu Feng took a deep breath:

"Well done! Great work, everyone! ”

The ship girls who paid attention to the news at the scene and in other places confirmed the last news, and their steady faces smiled, spontaneously began to fail, and their lively personalities jumped up and cheered directly.

An atmosphere of joy lingered in the venue.

Yuanwang No. 7, which was still floating on the sea, couldn't help but remind:

"Everyone, pay attention, this is only the first one, there are two more rockets below!"

Neptune reacted at once:

"Right...... And also...... Continue to prepare...... Launch Preparation ......"

When the other people's shipwives heard this, they immediately cheered up again.

The two rockets on the other two launchers were checked at the same time before, and now they are just launched at the point in time.

In addition to the launch window, the timing of rocket launch is also subject to manufacturing speed, transportation mode, launch site, etc.

Low-orbit satellites are less affected by the Sun and the Moon, and have a long launch window.

But no one launched multiple rockets on the same day, mainly stuck in the manufacturing and transportation links.

Mufeng does not have these restrictions here, so after the manufacturing is completed, it will be launched continuously, continuously launched, and the global coverage will be achieved in one go.

From morning to noon, three rockets were launched in one go, basically one for more than an hour, and at the end of the day, three batches of a total of 24 satellites were launched into the sky.

After all three rockets were successfully launched, Mu Feng immediately took the ship girls from the space island to prepare the second batch of rockets and satellites.

Assembled, placed, tested, and made sure there were no problems, and the next day three more rockets were launched, and another 24 satellites were successfully launched.

On the third day, the last two rockets of the first batch of eight, 16 satellites, were successfully launched.

8 rockets in 3 days, a total of 64 small satellites, all successfully launched.

The main task of these small satellites is topographic mapping, with a certain amount of communication and broadcasting capabilities.

From the moment the first satellites entered orbit and began to work, the control center on the ground began to receive the data.

However, it is not a successful launch of the satellite, and you can immediately get a complete picture of the entire planet, and get a clear and accurate satellite map.

Remote sensing satellites don't just take pictures of the ground like cameras.

Instead, remote sensing devices such as visible, infrared and ultraviolet cameras, infrared scanners, imaging spectrometers, and synthetic aperture radar are used to telemetry the ground and obtain data.

After this data is transmitted back to the control center, it needs to be processed by special equipment and algorithms to form charts and files for analysis.

Secondly, because of the influence of weather, cloud cover, temperature, and ground environment, remote sensing satellites cannot obtain complete and accurate data in a single scan.

Satellites need to be scanned multiple times to obtain data from the same location and hand it over to the software for processing.

The radius of the planet is 9555 km, and the satellite is in an orbit of 500 km above the ground, flying at a speed of 9.1km/s, and it takes about 2 hours to orbit the planet.

If the first telemetry is disturbed and the data is not accurate, then the second time, the third time, or the second or third day will scan the supplementary data.

As you scan over and over again, the data will become more and more accurate, and the processed picture will become clearer and clearer.

Finally, the resolution of a satellite image is inversely proportional to the range of a single scan.

If you want to be clear, then the scanning range is small, and if you want a large range, then the picture is blurry.

For the first scan, the satellite first scans the largest possible area with the lowest resolution, and roughly scans the world as quickly as possible.

The software of the control center processes and analyzes the data, screens out valuable areas, and improves the scanning resolution in a targeted manner.

At present, the key area is the island.

According to the pre-set program, every time the satellite discovers an island, it will be directly displayed on the screen of the scientific research equipment in the form of latitude and longitude, and a document will be formed.

On the display in the control center, the data and images are constantly scrolling.

Islands are not available everywhere, they may be empty oceans for long distances, they may encounter strings of archipelagos, or they may be affected by the weather, and the data scrolls quickly and slowly.

It has been confirmed that there are a large number of contiguous islands, most likely archipelagos, and there will be multiple satellites that will scan them in a targeted manner to slowly count the shape, area, and topography of these islands.

On the third day, all 64 satellites were completed in orbit and all the working conditions were normal.

But it's not the end, it's the beginning.

In the future, rocket and satellite launches will gradually enter the normalization, and the main function of the satellites launched in the next period of time is no longer detection, but global communication.

From the Northern Islands to the Western Islands, a distance of 25,000 kilometers, the construction of submarine cables between the two has already begun, but it will take more than half a year to connect.

The distance between the Northern Islands and the USN mainland and the IJN mainland is at least more than 10,000 kilometers, and it will take several months to build an undersea fiber optic cable between the three.

Moreover, in any case, it is difficult for the communication base station on the ground to completely cover the ocean.

Therefore, after leaving the mainland, the feasible way of communication is satellite communication.

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