The high priced items are at the bottom of the list, and are only there for completeness.

• $59.00 - Elecraft XG2 Three Band Receiver Test Oscillator / S-Meter Calibrator http://www.elecraft.com/mini_module_kits/mini_modules.htm#xg2
• $59.00 - Elecraft 2T-gen 2-Tone Test Oscillator http://www.elecraft.com/mini_module_kits/mini_modules.htm#2tgen
• $89.95 - Elecraft W1 140W Computing Wattmeter and SWR Bridge http://www.elecraft.com/mini_module_kits/mini_modules.htm#w1
• $42.50 - Rockmite 20 Meter Radio Kit with Control & Connector option (Choose the 20M band) - http://smallwonderlabs.com/orderform_US2.htm
• $71.90 - Mystery Antenna with 20 Meter enhancer - http://www.thewireman.com/antacc.html (see product 884 and 844A on this page)

• Variac AC Variable Transformer - 5 amp or more rating. See Ebay
• MFJ-269 Antenna Analyzer http://www.mfjenterprises.com/products.php?prodid=MFJ-269
• Antenna Tuner http://www.mfjenterprises.com/products.php?prodid=MFJ-902
• RF Signal Generator Kit - no current ideas in a reasonable price range
• Analog Oscilloscope (used, at least 100 MHz sample range)
• Kenwood TD-700 mobile radio