The following
radio stations broadcast on
AM frequency 630 kHz: 630 AM is a regional U.S. broadcast frequency.[1]630 kHz is a Philippine clear-channel frequency used by NTC.
DZMM share Class A status at 630 kHz and being defunctional because of legislative franchise lapsed
Because 630 kHz is a multiple of both 9 and 10, the frequency is available for use by broadcast stations in
all three ITU regions.[2]
2 Shortwave uses a combination of
AM,
VSB,
USB and
LSB, with some
NBFM and
CW/
morse code (in the case of
time signal stations) as well as numerous frequencies, depending on the time of day/night, season, and solar activity level. A reasonably full list from 16 kHz to 27MHz can be found at
[1]
3 Regions 1 and 3 also use Region 2's frequencies as well, with 50 to 100 kHz spacing.
The following
radio stations broadcast on
AM frequency 630 kHz: 630 AM is a regional U.S. broadcast frequency.[1]630 kHz is a Philippine clear-channel frequency used by NTC.
DZMM share Class A status at 630 kHz and being defunctional because of legislative franchise lapsed
Because 630 kHz is a multiple of both 9 and 10, the frequency is available for use by broadcast stations in
all three ITU regions.[2]
2 Shortwave uses a combination of
AM,
VSB,
USB and
LSB, with some
NBFM and
CW/
morse code (in the case of
time signal stations) as well as numerous frequencies, depending on the time of day/night, season, and solar activity level. A reasonably full list from 16 kHz to 27MHz can be found at
[1]
3 Regions 1 and 3 also use Region 2's frequencies as well, with 50 to 100 kHz spacing.