It can be said that racing pigeons wear GPS positioning and scanning anklets, which adds new significance to the racing pigeon competition. The purpose is to track and monitor the homing flight trajectory of racing pigeons, judge their directional ability and flying over surface obstacles such as mountains, rivers and lakes, so as to master the homing flight law of racing pigeons and provide corresponding basis for analyzing and judging the quality of racing pigeons. At the same time, we can also master the reasons for the late return and loss of racing pigeons. Another important point is that it can be used to prevent cheating.

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By monitoring the flying route, flying speed and flying height of racing pigeons, it is judged whether the racing pigeons belong to abnormal flying homing, so as to avoid cheating phenomena such as sweeping empty circles and AB sheds. This is the advantage and main purpose of racing pigeons wearing GPS positioning scanning anklets, and these advantages are obvious.

Second, the influence of racing pigeons wearing GPS positioning scanning anklets on racing pigeons' flight.

1. At present, due to technical reasons and the need of power supply, the weight of the anklet scanned by GPS is generally kept at 3 to 4 grams, which invisibly adds a lot of burden to the flight of racing pigeons.

2. Pigeon racing is about flying distance and speed. Wearing GPS positioning scanning anklet will not only bring weight-bearing pressure to racing pigeons, but also affect their balance.

3. It is not difficult to see from the relevant video materials that racing pigeons obviously feel uncomfortable after wearing huge GPS positioning and scanning anklets before the game, either kicking or falling. The intention is obvious, that is, to drive away the uninvited guests who make the racing pigeons feel uncomfortable and get in the way, and the reaction is very intense. This is the physiological reaction of racing pigeons.

On the other hand, homing orientation instinct of racing pigeons depends largely on the body's geomagnetic navigation function, and the geomagnetic included angle is perceived by the body's navigation function, and then the homing flight direction is judged by the brain. GPS positioning scanning anklet will send out wireless signals during data transmission, which will produce a certain degree of magnetic field, interfere with the navigation function of homing pigeons and have a certain impact on the direction of racing pigeons.

Secondly, it is not easy for racing pigeons to fly home from different places at high speed. On the one hand, their own weight invisibly increases the flight burden of racing pigeons wearing GPS positioning and scanning anklets. On the other hand, it will also increase the wind resistance in flight, which will not only directly consume the physical strength of racing pigeons, but also affect the flying distance and speed of racing pigeons, which is extremely unfavorable and fatal to the homing of racing pigeons.

From the above analysis, it has advantages and disadvantages for racing pigeons to wear GPS positioning and scanning anklets. Then it depends on the relationship between advantages and disadvantages, whether the advantages outweigh the disadvantages or the disadvantages outweigh the advantages, which is worthy of consideration by the organizers of competition units and the majority of pigeon fanciers.