Standard frequency and time signals

|- style="background: #E7E7FF"

|- style="background: #E7E7FF"

! Freq (kHz)    !! Callsign  !! Location !! Operation Notes       

! Freq (kHz)    !! Callsign  !! Location !! Operation Notes       

|-

|-

| 2500 || WWV || Fort Collins, CO || continuous

| 2500 || WWV || Fort Collins, CO || continuous

|-

|-

| 2500 || WWVH || Kekaha, HI || continuous

| 2500 || WWVH || Kekaha, HI || continuous

|-

|-

| 3810 || HD2IOA || Guayaquil, Ecuador ||

| 3810 || HD2IOA || Guayaquil, Ecuador ||

|-

|-

| 4996 || RWM || Moscow, RUS || continuous

| 4996 || RWM || Moscow, RUS || continuous

|-

|-

| 5000 || WWV || Fort Collins, CO || continuous

| 5000 || WWV || Fort Collins, CO || continuous

|-

|-

| 5000 || WWVH || Kekaha, HI || continuous

| 5000 || WWVH || Kekaha, HI || continuous

|-

|-

| 7600 || HD2IOA || Guayaquil, Ecuador ||

| 7600 || HD2IOA || Guayaquil, Ecuador ||

|-

|-

| 9996 || RWM || Moscow, RUS || continuous

| 9996 || RWM || Moscow, RUS || continuous

|-

|-

| 10000 || WWV || Fort Collins, CO || continuous

| 10000 || WWV || Fort Collins, CO || continuous

|-

|-

| 10000 || WWVH || Kekaha, HI || continuous

| 10000 || WWVH || Kekaha, HI || continuous

|-

|-

| 14996 || RWM || Moscow, RUS || continuous

| 14996 || RWM || Moscow, RUS || continuous

|-

|-

| 15000 || WWV || Fort Collins, CO || continuous

| 15000 || WWV || Fort Collins, CO || continuous