47 CFR §97.211

1. (a)Any amateur station designated by the licensee of a space station is eligible to transmit as a telecommand station for that space station, subject to the privileges of the class of operator license held by the control operator.
2. (b)A telecommand station may transmit special codes intended to obscure the meaning of telecommand messages to the station in space operation.
3. (c)The following frequency bands and segments are authorized to telecommand stations:
   1. (1)The 17 m, 15 m, 12 m and 10 m bands, 6 mm, 4 mm, 2 mm and 1 mm bands; and
   2. (2)The 7.0-7.1 MHz, 14.00-14.25 MHz, 144-146 MHz, 435-438 MHz, 1260-1270 MHz and 2400-2450 MHz, 5.65-5.67 GHz, 10.45-10.50 GHz and 24.00-24.05 GHz segments.
4. (d)A telecommand station may transmit one-way communications.