Basic Omnidirectional: Sky Band Base Antenna This inexpensive, discone type antenna gives you full-band coverage (25 - 1300 Mhz) at a very reasonable. price.
Better: Ground Plane Scanner Antenna Kit The Comtelco is a great mobile antenna, now you can use it as a base antenna.
Best: Discone Base Antenna This Discone antenna is omni-directional and covers the full scanner
range of 25 thru 1300 MHz. It is an ideal antenna for most situations
and will provide years of service due to its high quality stainless
Best Plus: Ferret 8 Band Base Antenna It doesn't get any better than this! The Ferret is a Multi-element base
antenna that provides great omnidirectional coverage on all scanner
bands. It doesn't get any better than this!