I've used these as a dummy load and they work
fine even at 440mhz..
http://www.ohmite.com/catalog/pdf/tah_tch_series.pdf
Mouser sells them..
http://www.mouser.com/catalog/620/415.pdf

Hope this answers your question..

-Pete

James Bond wrote:
are metal film resistors wirewound or not? I've been trying to find this one
out. Someone who I know says they're not so are suitable for RF but Maplin
catalog seems to say they are.


someone please help!

dr. x