[Elecraft] OT: Linear Power Supply?

[Jeff]

Hi gang,

Where can I buy a good quality LINEAR power supply that will provide at
least 500mA (that's all I need) at 12-14VDC?  I don't want a switching power
supply, due to fear that it would produce HF crud.

Thanks very much & 73,
Jeff
NE2J (formerly WB5GWB)
Long Island, NY