The invention relates to an improved antenna structure of a racing pigeon foot ring, which comprises an arc-shaped housing, a movable member, a wireless positioning module and an antenna module； the wireless positioning module is arranged in the curved housing, the activity The antenna module is pivotally connected to the arc-shaped housing； the antenna module has opposite end portions, wherein one end portion is inserted into the arc-shaped housing and connected to the wireless positioning module to form an electrical connection. The other end portion is exposed in the curved casing to transmit a signal； and the exposed antenna module is disposed on the curved casing, so that the wireless positioning module is not shielded from the curved casing on the transmission signal. And can smoothly send and receive wireless signals, thereby improving the wireless signal transmission and reception capabilities and quality.本新型關於一種賽鴿腳環天線結構改良，其包括一弧形殼體、一活動件、一無線定位模組、一天線模組；該無線定位模組設在該弧形殼體內，該活動件可樞轉的與該弧形殼體樞接；該天線模組具有相對兩端部，其中一端部穿設入該弧形殼體內並與該無線定位模組連接，以形成電性連接，另外一端部外露於該弧形殼體內以傳輸訊號；透過在該弧形殼體上裝設外露的該天線模組，以使該無線定位模組在傳輸訊號上不受該弧形殼體遮蔽，而得以順利收發無線訊號，藉此提升無線訊號收發能力及品質。
