RST System
27 meters band
A - 26,065 do 26,505 MHz,
B - 26,515 do 26,955 MHz,
C - 26,965 do 27,405 MHz,
D - 27,415 do 27,855 MHz,
E - 27,865 do 27,995 MHz.
There are 40 channels within each range.Channels are every 10khz In Poland there are 40 channels in the subband C (26,960 - 27,400MHz)- so called basic forty, 40channels every 10khz. Some channels are every 20 khz.These empty frequencies are called holes and are marked by letter A, e.g.3A, 7A, 11A, 15A oraz 19A.Channels marked A are used in radios equipped with "+10kHz" or "-10kHz" function.
Primary Calling Frequencies:
27.555 MHz USB - International 11m SSB calling frequency
26.285 MHz USB - International 11m SSB calling frequency - secondary to 27.555 MHz
27.385 MHz LSB - American 11m CB SSB calling channel 38LSB
27.425 MHz LSB - American 11m SSB calling frequency - 27.410 to 27.655 in 5 kHz steps, most activity in the 27.420 MHz to 27.505 MHz range
26.915 MHz AM - American 11m AM calling frequency - USA "915"
26.805 MHz FM - American 11m FM calling frequency - USA "805 FM" "26805 FM" or "26.805 FM"
27.805 MHz FM - American 11m FM calling frequency - alternate to 26.805 MHz FM
27.605 MHz FM - Alternate to 27.600 MHz FM - note that UK FM CB radio channel 1 is 27.60125 MHz FM.
27.575 MHz FM - American 11m FM calling frequency - USA "575 FM" "27575 FM" or "27.575 FM"
27.600 MHz FM - American 11m FM calling frequency - primary (unless QRM from SSB or UK FM CB stations is an issue, then use 27.575 MHz FM)
27.650 MHz FM - American 11m FM calling frequency - alternate
27.355 MHz LSB - Australia and Oceania 11m SSB calling channel 35LSB
26.720 MHz LSB - New Zealand 26MHz SSB CB calling channel 35LSB
27.315 MHz FM - European FM mid band CB calling channel 31 FM
27.305 MHz FM - European FM mid-band CB calling channel 30 FM- secondary to 27.315 MHz FM
27.125 MHz AM - European AM mid band CB calling channel 14 AM
27.455 MHz USB - Spanish language SSB calling frequency
26.555 MHz LSB - Spanish language SSB calling frequency
26.225 MHz USB - Spanish language SSB calling frequency
26.425 MHz USB - Polish SSB calling frequency
26.435 MHz USB - Polish SSB calling frequency
Calling Frequencies:
27.995 MHz USB - Top end freeband 11 meter calling frequency (also: 27.997 MHz LSB, 28.000 MHz LSB)
27.99125 MHz FM - UK FM CB channel 40 - UK calling/working channel
27.98125 MHz FM - UK FM CB channel 39 - UK calling/working channel
27.975 MHz USB - French language freeband working channel
27.97125 MHz FM - UK FM CB channel 38 - UK calling/working channel
27.965 MHz USB - French language freeband working channel - including North Africa and other areas
27.96125 MHz FM - UK FM CB channel 37 - UK calling/working channel
27.95125 MHz FM - UK FM CB channel 36 - UK calling/working channel
27.94125 MHz FM - UK FM CB channel 35 - UK calling/working channel
27.855 MHz FM - 11 meter freeband calling and working frequency - FM mode
27.855 MHz USB - 11 meter freeband calling and working frequency - USB mode
27.805 MHz FM - US FM 11 meter FM CB working channel
27.800 MHz FM - US FM 11 meter FM CB working channel - see also: UK FM CB Channel 21 on 27.80125 MHz FM
27.79125 MHz FM - UK FM CB channel 20 - non interference basis to 27.795 MHz, 27.790 MHz, 27.800 MHz
27.78125 MHz FM - UK FM CB channel 19 - UK calling/working channel, 27.781 MHz or 27.781 FM
27.775 MHz FM - US FM 11 meter FM CB working channel
27.765 MHz USB - German 11m SSB - "Deutsche Welle"
27.765 MHz FM - German 11m FM
27.765 MHz AM - German 11m AM
27.73125 MHz FM - UK FM CB channel 14 - UK base station channel 27.731 MHz or 27.731 FM
27.68125 MHz FM - UK FM CB channel 9 - possible interference from 27.685 MHz / 27.690 MHz
27.60125 MHz FM - UK FM CB channel 1 - UK calling channel
27.580 MHz USB - Kilo Papa 11m SSB calling frequency
27.515 MHz LSB - Jamaica and Caribbean calling frequency
27.510 MHz LSB - Jamaica and Caribbean calling frequency
27.500 MHz USB - Italy - Papa Charlie DX Club
27.465 MHz AM - Italian 11m AM calling channel - canal 45 or channel 45
27.455 MHz USB - Spanish language SSB calling - Latin America
27.455 MHz LSB - American 11m SSB calling/working frequency - Canadian and US stations
27.315 MHz FM - US FM CB Calling Working Channel FM CB 31 FM
27.285 MHz USB - Finland SSB calling - Nordic SSB calling - mid band CB channel 28 USB
27.285 MHz AM - American 11m high power AM calling - CB channel 28
27.275 MHz USB - UK SSB calling England mid band SSB frequency mid band CB channel 27
27.275 MHz FM - US FM CB Calling Working Channel FM CB 27 FM
27.270 MHz FM - Russian FM calling channel (Polish frequency "zeros") channel 27
27.265 MHz AM - American 11m high power AM calling - CB channel 26
27.235 MHz USB - Swedish and Nordic SSB calling Sweden - mid band CB channel 24 USB
27.195 MHz FM - US FM Calling unofficial - AM voice noted here as well
27.190 MHz USB - European SSB calling frequency - in between channels 19 and 20
27.135 MHz FM - Russian FM calling and road channel - mid band CB channel 15
27.135 MHz AM - Russian AM calling and road channel - mid band CB channel 15
27.135 MHz USB - German 11m SSB in-band calling/working frequency
27.125 MHz AM - UK AM calling England mid band SSB frequency mid band CB channel 14
27.085 MHz AM - American 11m high power AM calling - CB channel 11
27.065 MHz AM - Spanish language AM calling - CB channel 9
27.025 MHz AM - American 11m high power AM calling - CB channel 6 - The Super Bowl
27.005 MHz AM - German AM CB calling - CB channel 4 AM
26.965 MHz FM - German FM CB calling - CB channel 1 FM
26.925 MHz FM - American 11m FM working frequency - low band 26 MHz FM
26.875 MHz FM - American 11m FM working frequency - low band 26 MHz FM
26.835 MHz AM - American 11m AM calling frequency
26.825 MHz FM - American 11m FM working frequency - low band 26 MHz FM (alternate to 26.805 MHz FM)
26.815 MHz AM - American 11m AM calling frequency
26.805 MHz FM - American 11m FM calling frequency - 26 MHz FM calling
26.775 MHz AM - American 11m AM calling frequency
26.735 MHz AM - US truckers, other land mobile users
26.715 MHz AM - Spanish language AM calling
26.705 MHz AM - Spanish language AM calling
26.585 MHz AM - Spanish language AM calling - Mexico and others - often very busy
26.575 MHz FM - German FM CB calling - German 80 channel CB channel 42
26.565 MHz FM - German FM CB calling - German 80 channel CB channel 41
26.500 MHz AM - New Zealand 26MHz AM CB calling channel 15
26.500 MHz USB - Caribbean calling/working SSB 11 meter frequency
26.500 MHz LSB - Caribbean calling/working SSB 11 meter frequency
26.450 MHz AM - New Zealand 26MHz AM CB trucking channel 11
26.405 MHz AM - North and South America - Spanish and English
26.305 MHz AM - North and South America - Spanish and English
26.105 MHz AM - North and South America - Spanish and English
25.985 MHz USB - Spanish language - Latin America (frequency also used for taxi dispatch in AM mode)
25.985 MHz LSB - Spanish language - Latin America (frequency also used for taxi dispatch in AM mode)
25.835 MHz AM - US truckers, other land mobile users
25.775 MHz USB - Spanish language - Latin America (frequency also used for taxi dispatch in AM mode)
25.775 MHz LSB - Spanish language - Latin America (frequency also used for taxi dispatch in AM mode)
Freeband 11 Meter Frequency Ranges Bands
24.265 MHz - 24.705 MHz - Band A on 12-band radios 24.265 MHz - 29.655 MHz i.e. Superstar 158EDX, etc.
24.715 MHz - 25.155 MHz - Band B on 12-band radios - includes 12 meter ham radio band 24.890 MHz - 24.990 MHz
25.165 MHz - 25.605 MHz - Band A on 8-band radios 25.165 MHz - 28.755 MHz Galaxy DX 99, DX 98VHP, DX 99V2, etc.
25.615 MHz - 26.055 MHz - Band A on most export radios - often used by taxi cabs and trucking companies (AM mode in the Americas, AM or FM elsewhere)
26.065 MHz - 26.505 MHz - Band B - often used by taxi cabs, trucking companies and hunting clubs
26.225 MHz USB - Latin American SSB activity
26.285 MHz USB - 26 MHz international calling frequency (commonly used in Europe)
26.305 MHz AM - Latin American (and American) AM activity
26.315 MHz AM - popular out-of-band trucker channel USA
26.375 MHz AM - popular out-of-band trucker channel USA
26.405 MHz AM - popular out-of-band trucker channel USA
26.500 MHz LSB - Caribbean and Latin American calling/working frequency
26.500 MHz USB - Caribbean and Latin American calling/working frequency
26.515 MHz - 26.955 MHz - Band C - "low band" or "lowers" all sorts of users, AM in the Americas, mixture of AM and FM elsewhere
26.515 MHz AM - active in southern USA
26.555 MHz LSB - very active in Mexico and Central/South America (and Caribbean)
26.565 MHz - 26.955 MHz - German CB channels 41-80, FM mode only, heavily used in Europe
26.565 MHz FM - German FM CB DX calling channel (Channel 41)
26.575 MHz FM - German FM CB DX calling channel (Channel 42)
26.585 MHz AM - Mexican trucker channel, often very busy
26.605 MHz AM - alternate to 26.585 MHz (see also, 26.575 MHz, 26.595 MHz)
26.675 MHz AM - popular out-of-band trucker channel USA
26.685 MHz AM - popular out-of-band trucker channel USA
26.695 MHz AM - alternate to 26.705 MHz and 26.715 MHz
26.705 MHz AM - Puerto Rico, Florida and other Caribbean AM stations, often extremely powerful
26.715 MHz AM - alternate to 26.705 MHz
26.725 MHz AM - alternate to 26.705 MHz and 26.715 MHz
26.735 MHz AM - CB channel 19 "down one band" - truckers are often heard here (see also 27.635 MHz)
26.740 MHz LSB - European packet and PSK31 frequency
26.745 MHz AM - popular out-of-band trucker channel USA
26.755 MHz AM - often active in southern USA + every 10 kHz to 26.955 MHz
26.775 MHz AM - often active in southern USA (channel 22 down one band - 27.225 MHz - .450 MHz)
26.805 MHz AM - Channel 23 down one band, popular in North America, Latin America and Caribbean
26.810 MHz LSB - European packet and PSK31 frequency
26.815 MHz AM - CB channel 26 down one band (active during band openings)
26.820 MHz LSB - European packet and PSK31 frequency
26.830 MHz LSB - European packet and PSK31 frequency
26.835 MHz AM - CB channel 28 down one band (similar to 26.815 MHz, 26.905 MHz, 26.915 MHz, etc)
26.840 MHz LSB - European packet and PSK31 frequency
26.845 MHz AM - popular out-of-band trucker channel USA
26.855 MHz AM - popular out-of-band trucker channel USA
26.865 MHz AM - popular out-of-band trucker channel USA
26.875 MHz AM - popular out-of-band trucker channel USA
26.885 MHz AM - alternate to 26.915 MHz, others
26.895 MHz AM - popular out-of-band trucker channel USA
26.905 MHz AM - alternate to 26.915 MHz, others, Mexican taxicab dispatcher lady also logged on this frequency
26.915 MHz AM - Big radios USA "915" channel 36 down one band, AM DX channel
26.925 MHz AM - popular out-of-band trucker channel USA
26.935 MHz AM - popular out-of-band trucker channel USA
26.945 MHz AM - Lower channel for local nets, hunting clubs, AM DX, etc.
26.955 MHz AM - Channel 40 down one band, popular in USA for local radio nets
26.965 MHz - 27.405 MHz - Band D - legal CB band - "mid band", "FCC band" or "CEPT" band
26.985 MHz AM - CB channel 3 - Militia Patriot AM CB 11 meter calling frequency
27.005 MHz AM - CB channel 4 - Militia Patriot AM CB 11 meter tactical/secondary calling
27.025 MHz AM - CB channel 6 - The Superbowl - big radios, lots of power, often in the tens of kilowatts
27.085 MHz AM - CB channel 11 - AM DX calling channel - the original calling channel from the 23 channel CB days
27.125 MHz AM - CB channel 14 - often used as a local AM CB channel, also used for AM CB in Europe and UK
27.135 MHz AM - Russian Trucker channel (see also 27.135 MHz FM, 27.180 MHz)
27.143 MHz CW - 14RS000 11 meter beacon CB beacon 27145 LSB 27140 USB 27.140 MHz USB 27.14245 MHz
27.145 MHz LSB - 14RS000 beacon 11m beacon 11 meter beacon 27 MHz CW beacon 27.143 MHz
27.165 MHz AM - CB channel 17 - often used as an alternate channel to 27.185/channel 19 for truckers
27.185 MHz AM - CB channel 19 - trucker channel, road channel, interstate highways, probably the best spot to try first
27.215 MHz AM - CB channel 21 - often used as an alternate channel to 27.185/channel 19 for truckers
27.235 MHz FM - European packet PSK31 channel - channel 24
27.235 MHz USB - Swedish and Nordic SSB calling Sweden
27.235 MHz USB - European digital modes ROS data modes channel
27.245 MHz FM - European packet PSK31 channel
27.245 MHz USB - European digital modes ROS data modes channel
27.255 MHz USB - WSPR weak signal digital modes 11m frequency (confirmed active July 2021)
27.255 MHz CW - 11 meter beacon 27 MHz beacon CB beacon frequency
27.265 MHz AM - CB channel 26 - AM DX calling channel, see also: 27.025 AM, 27.085 AM, 27.285 AM
27.275 MHz USB - UK SSB calling England mid band SSB frequency ch. 27
27.285 MHz AM - CB channel 28 - AM DX calling channel, see also: 27.025 MHz, etc
27.285 MHz USB - Finland SSB calling
27.315 MHz AM - CB channel 31 - AM DX calling channel (secondary)
27.315 MHz FM - European FM calling channel
27.355 MHz LSB - CB channel 35 - SSB DX calling channel Australia and Oceania
27.365 MHz USB - CB channel 36 - Militia Patriot SSB CB 11m tactical - USB mode 27.365 USB
27.368 MHz USB - Militia Patriot SSB CB 11m tactical - USB mode 27.368 USB
27.375 MHz USB - CB channel 37 - Militia Patriot SSB CB 11m tactical - USB mode 27.375 USB
27.378 MHz USB - Militia Patriot SSB CB 11m tactical - USB mode 27.378 USB
27.385 MHz LSB - CB channel 38 - SSB DX calling channel, LSB mode - North American SSB channel (see also: 27.375 LSB, 27.395 LSB)
27.405 MHz - 27.855 MHz - Band E - "high band" or "uppers", mixture of SSB, AM and FM
27.415 MHz LSB - US calling/working frequencies (channels +5 kHz, 27.420 MHz, 27.425 MHz, 27.430 MHz, and so on, usually in LSB mode)
27.425 MHz USB - Militia Patriot SSB CB 11m tactical - USB mode 27.425 USB
27.428 MHz USB - Militia Patriot SSB CB 11m tactical - USB mode 27.428 USB
27.455 MHz USB - Latin American calling frequency (see also 26.555 MHz LSB) - Spanish language
27.465 MHz AM - Italian high power channel - canal 45 - similar to 27.025 MHz or 26.705/26.715 MHz in the Americas
27.500 MHz LSB - Caribbean and Latin American calling/working frequency (see also: 26.225 MHz USB, 26.555 MHz LSB)
27.500 MHz USB - Caribbean and Latin American calling/working frequency
27.500 MHz AM or CW - unofficial 11 meter beacon frequency
27.515 MHz LSB - Jamaica and Caribbean calling/DX frequency "The Knight Patrol"
27.555 MHz USB - international 11 meter DX calling frequency
27.580 MHz USB - Knight Patrol club frequency (see also: 27.515 LSB)
27.60125 MHz - 27.99125 MHz - UK FM 27/81 CB (UK only) also CADS/WPAS Channels LW01-LW40 UK, Ireland (AM/FM modes, Church broadcasts) straight 10 kHz channel steps
27.605 MHz - 27.995 MHz - CADS/WPAS Channels UW01-UW40 UK, Ireland and elsewhere straight 10 kHz channel steps
27.605 MHz AM - popular out-of-band trucker channel USA
27.615 MHz AM - popular out-of-band trucker channel USA
27.625 MHz AM - popular out-of-band trucker channel USA
27.635 MHz USB - digital modes found here in Europe (ROS, PSK31)
27.635 MHz AM - CB channel 19 "up one band" - truckers are often heard here (see also 26.735 MHz, 28.085 MHz, 25.635 MHz, 26.285 MHz)
27.665 MHz USB - Spanish language common frequencies + 5 kHz USB/LSB to 27.705 MHz or higher
27.695 MHz USB - Spanish language, South America popular (also Brazil) - USB and LSB
27.700 MHz USB - international 11 meter SSTV frequency
27.735 MHz USB - international 11 meter SSTV frequency (alternate, also digital SSTV)
27.765 MHz FM - “Deutsche Welle”, German speaking stations out of band freeband
27.765 MHz USB - “Deutsche Welle” SSB freebanders
27.775 MHz AM - sometimes AM signals are heard on this frequency and higher during band openings, often taxi dispatchers, etc
27.855 MHz - 28.305 MHz - Band F - up to 27.995 MHz (channel 11A) popular with taxicabs and truckers, although truckers are often heard above 28.000 MHz it is strongly advised that freebanders stay below 28 MHz
SELECT BAND for CB – 10M Best as 11M will be BETTER!
For CB Radio Skip Prediction, select your Country and leave the the Band set to 10M for the current real time 11Metres DX Propagation Map and the possibility of CB Radio QSO’s worldwide. NOTE Time on Map Base is UTC.
