Radio Navigational Aids, a Common card

The card carries these facts from its Wikipedia article.

• The publication is divided into chapters according to the nature of the service provided by the radio stations.
• The services include Radio direction finder and Radar Stations, stations broadcasting navigational warnings, time signals or medical advice, communication traffic for distress, emergency and safety including the Global Maritime Distress Safety System and long range navigational aids.
• It also contains chapters describing procedures of the AMVER System, and the interim emergency procedures and communication instructions to be followed by U.S merchant vessels in times of crisis.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Radio Navigational Aids article was read about 560 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 40 and blocks with 29: each hit it takes is cut by 12 %.

Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.

The cards just above and just below Radio Navigational Aids in the power ranking, all domains together.