Nearly all Target stores use 155.955Mhz with an 179.9 CTCSS tone.

Many McDonalds still operate on 154.600Mhz with an 82.5 CTCSS tone, although
some have migrated to 457 or 469Mhz UHF. Output is commonly on 35.020Mhz.

Burger King often uses 154.540Mhz with an 88.5 CTCSS. Output is commonly
33.400Mhz.

Taco Bell commonly uses 151.895Mhz with an 88.5 CTCSS. Output is commonly on
33.400.

For best results, use a scanner to monitor the output frequency. Make sure
there is sufficient space between your transmitting and receiving (scanner)
antennas so as to prevent bleedthrough from the transmitter when monitoring the
output. This way, you will hear exactly what the clerk hears and know
precisely how well you are getting into the system.

Modified dual-band ham transceivers are excellent for this type of work.
Business band radios that are user-programmable "on-the-fly" (no programming
software required) are a close second.

Coming up in our next episode: Crossbanding between fast-food restaurants...or
"Hearing Burger King customers order Nacho Chalupas while Taco Bell patrons
express their desire for Whoppers!"