in the ground floor at cerulean communities or something like that
you only get the card in heartgold and/or soulsilver
The expn card automatically attaches to your radio now you can tune into kanto radio!
You talk to Whitney{Pink-haired girl} and she'll quiz you. If you answer all the questions correctly, she will give you the Radio Card.
Once your in Kanto go to Lavender town.Find the radio tower and talk to the old man in brown.He will install the Kanto radio.You can now wake up Snorlax.Pokeflute channel is at the top;you must find it manually.
Talk to the last woman at the counter in the goldenrod radio tower. You should get it there. In the kanto region though, you need to fix the power plant first. Then talk to the man in the brown suit near the elevator. He should give you the kanto radio card.
The Kanto radio station in both Pokemon heartgold and soulsilver is in Lavender Town.
You will receive it from a person in the Lavender Town Radio Tower.
its in Lavender town
you can´t
in the top of the kanto radio tower.
go to lavender town and get a kanto radio card from the radio tower. then go next to snorlax, and tune in to the pokeflute frequency. finally press A.
You don't buy them. In the Johto part you go to the radio tower in city. You have to do a quiz with five questions on it. Then you get that card. In the Kanto part you go into a big building in Lavender city and there is a guy that will give you the card. You can't use the Johto stations in Kanto or the Kanto stations in Johto.