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T1B03

COMMISSION'S RULES · Frequency allocations; Emission modes; Spectrum sharing; Transmissions near band edges; Contacting the International Space Station; Power output

T1B03§ 97.301(a)T1B →

Which frequency is in the 6-meter amateur band?

  1. A49.00 MHz
  2. B52.525 MHz
  3. C28.50 MHz
  4. D222.15 MHz
Why The 6-meter band runs from 50.0 to 54.0 MHz, so 52.525 MHz falls squarely inside it (it is also the national FM simplex calling frequency for the band). Band limits come from the frequency allocation table in 97.301(a). A quick check: wavelength in meters is about 300 divided by frequency in MHz, and 300/52.5 is roughly 5.7 meters, which rounds to the 6-meter band.
Watch out 49.00 MHz is close to the band but below 50 MHz and is not an amateur allocation at all; 28.50 MHz is in the 10-meter band and 222.15 MHz is in the 1.25-meter band.
6 meters = 50 to 54 MHz. Remember 52.525, the '5-2-5-2-5' FM calling frequency, sits in the middle.
HamSandwich explanation, first draft. The question and answers are the NCVEC text.
47 CFR 97.301(a) Authorized frequency bands.

The following transmitting frequency bands are available to an amateur station located within 50 km of the Earth's surface, within the specified ITU Region, and outside any area where the amateur service is regulated by any authority other than the FCC.

(a) For a station having a control operator who has been granted a Technician, General, Advanced, or Amateur Extra Class operator license or who holds a CEPT radio-amateur license or IARP of any class:

(b) For a station having a control operator who has been granted an Amateur Extra Class operator license, who holds a CEPT radio amateur license, or who holds a Class 1 IARP license:

(c) For a station having a control operator who has been granted an operator license of Advanced Class:

(d) For a station having a control operator who has been granted an operator license of General Class:

(e) For a station having a control operator who has been granted an operator license of Novice Class or Technician Class:

eCFR text as of 1 Sep 2026 · read on ecfr.gov
← T1B02 All of T1B T1B04 →

The rest of T1B

  1. T1B01 Which of the following frequency ranges are available for phone operation by Technician licensees?
  2. T1B02 Which of the following U.S. amateur radio operators are allowed to contact the International Space Station (I…
  3. T1B03 Which frequency is in the 6-meter amateur band?
  4. T1B04 Which amateur band includes 146.52 MHz?
  5. T1B05 Which of the following bands include frequencies where Technicians are authorized to use digital modes such a…
  6. T1B06 On which HF bands does a Technician class operator have phone privileges?
  7. T1B07 Which of the following VHF/UHF band segments are limited to CW only?
  8. T1B08 How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?
  9. T1B09 Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?
  10. T1B10 Where may SSB phone be used in amateur bands above 50 MHz?
  11. T1B11 What is the maximum peak envelope power output for Technician class operators in their HF band segments?
  12. T1B12 Except for some specific restrictions, what is the maximum peak envelope power output for Technician class op…
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