To order merchandise to these ham shops you need to call these shops with help from a Korean speaking person.
Most of these shops can deliver ordered items by parcel post(택배) within Korea.
***Ham Shop, partial list***
http://www.guil.co.kr, Guil Communications (Seoul)
서울 구로구 구로동 1258 중앙유통단지 지하 C-01호
http://35ham.net (temporary out of service as of 12/2011), Samo Communications (Seoul)
서울 마포구 동교동 158-8 (청기와주유소 바로뒷편)
This ham shop is probably the easiest one to access by subway. Take subway line 2 and get off at Hongik University station.
Exit to gate 1 and make a right turn immediately and proceed 100 meters.
This small ham shop is located on the right corner of the first crossing street.
There is no English sign board at this shop.
They have only ham accessories on display and you may order ham equipment there.
서울 용산구 한강로2가 15-2 나진상가19동 좌열 29호
http://www.alphaham.co.kr, Alpha Ham Shop (Suwon city, 50km south from Seoul)
수원시 팔달구 인계동 908
http://www.kenwood-as.kr/(Busan city, 450km south from Seoul)
부산시 영도구 대교동1가 95번지 동양제강 2층
AB Communications in Seoul, no homepage
This company is an importer and distributor of ham accessories, mostly from Diamond Antenna Co of Japan.
Look for Diamond model number you need and call this company 02-867-1582. They may have in stock
or can order to Diamond. This is a whole seller to ham shops but they also sell directly to individual hams.
You can visit their warehouse in Youngdeungpo-gu, Seoul or deposit to their bank account and ask them to deliver to your address by
parcel post. Prices here are the same or higher than local ham shops. You will need help from a Korean speaking person.