Publisher Correction: Planar array with bidirectional elements for tunnel environments

Area of Science:

• Scientific publishing
• Article errata

Context:

• A previously published scientific article contained an error.
• The correction is linked within the article's HTML and PDF versions.

Purpose:

• To notify readers of a correction to a published article.
• To ensure the accuracy of scientific records.

Summary:

• A correction has been issued for this article.
• The error identified in the original publication has been rectified.

Impact:

• Ensures the integrity of scientific literature.
• Provides accurate information to researchers and readers.