T-MARC

50.00 - 54.00 MHz Band Plan

START      STOP       USE

---------- ---------- ----------

50.000    50.600 CW/SSB/AM
50.000    50.100 CW only [97.305(c)]
50.060    50.080 Automatically controlled propagation beacons [97.203(d)]
50.100    50.125 DX Window (for contacts only with DX stations)
50.110    SSB DX Calling frequency
50.125    SSB U.S. Calling frequency
50.400    AM Calling frequency
50.600    50.780 Digital (can be paired with 51.100 - 51.280 and/or 51.600 - 51.780)
50.800    50.980 Radio-controlled models (Newer R-C segment - No voice or digital operation)
51.000    51.090 First Pacific DX Window
51.100    51.280* Digital (can be paired with 50.600 - 50.780 and/or 51.600 - 51.780)
51.300    51.480* Repeater Inputs (500 kHz spacing on 10 even 20 kHz channels)
51.500    51.580* FM Simplex and experimental (4 channels)
51.600    51.780* Digital (can be paired with 50.60 - 50.780 and/or 51.100 - 51.280)
51.800    51.980* Repeater Outputs (paired with 51.100 - 51.280)
52.000    52.100# Second Pacific DX Window
52.110    52.490* Repeater Inputs (1 MHz spacing on 20 odd 20 kHz channels)
52.510    52.590* FM Simplex
52.525    National FM Simplex Calling frequency
52.610    52.990* Repeater Inputs (1 MHz spacing on 20 odd 20 kHz channels)
53.000    + every 100 kHz Radio-Controlled models (Older R-C segment using wide-band receivers)
53.010    53.090*# FM Simplex and experimental (4 channels)
53.110    53.490* Repeater Outputs
53.510    51.590*# FM Simplex and experimental (4 channels)
53.610    53.990* Repeater Outputs

New repeater coordinations will only be issued which conform to this band plan. Existing repeaters, which were coordinated on non-conforming frequencies prior to the adoption of this band plan, will be "grandfathered". However, in the event that any of these non-conforming coordinations are cancelled, all future coordinations will only be issued which conform to the band plan then in use.

* See Footnote 3

# See Footnote 4

¹This band plan was recommended by the T-MARC Open Band-Planning Committee, and adopted by the T-MARC membership on November 15, 1998.

²There is a national effort under way to move the domestic SSB calling frequency from 50.125 MHz to 50.200 MHz. If such a move is universally adopted, this band plan will be amended to reflect the change.

³ *FM channels between 51.100 and 51.980 MHz use the even 20 kHz frequencies, in order to conform to the SERA band plan.

FM channels between 52.110 and 53.990 MHz use the odd 20 kHz frequencies.

⁴# These segments may be used for repeater inputs or outputs in other areas. Therefore, caution should be observed when using these frequencies when the band is open.

⁵ Existing coordinated repeaters with inputs within this segment in the T-MARC area will be "grandfathered". No new repeaters will be coordinated within this segment.

⁶ R-C usage in this segment is slowly being phased out, as users acquire newer, narrow-band, equipment which operates in the 50.80 - 50.98 band segment. The Academy of Model Aeronautics (AMA) should be consulted for information regarding continued use of these frequencies.