Change frequency because on 90% of the sat exist a trasponder, one frequency it's for tx the up frequency and an another frequency it's only for receive the down frequency.
La frequencia cambia porquè casi todos los satelites de radioaficionado y no, tiene una frecuencia para entrar (quando uno trasmite) y otra solo para recibir ,que seria la frequencia de escucha, es casi como si fuese un repetidor para tener una idea mejor, usan tambien subtonos para activar el trasmisor del satelite.
Sometimes ham radio communications are "split" in 2 frequencies, one for RX and one for TX... i think this is a case of Crossband transmission (Rx in one band, TX in other)
Nice video de K3NXH.
Jinxbo 6 months ago
Change frequency because on 90% of the sat exist a trasponder, one frequency it's for tx the up frequency and an another frequency it's only for receive the down frequency.
La frequencia cambia porquè casi todos los satelites de radioaficionado y no, tiene una frecuencia para entrar (quando uno trasmite) y otra solo para recibir ,que seria la frequencia de escucha, es casi como si fuese un repetidor para tener una idea mejor, usan tambien subtonos para activar el trasmisor del satelite.
Leo
MultiSwl 1 year ago
Sometimes ham radio communications are "split" in 2 frequencies, one for RX and one for TX... i think this is a case of Crossband transmission (Rx in one band, TX in other)
maniaferroviaria 2 years ago
Por que cambia frequencia cuando transmites si no estas usando repeater?
anglitoestebancito 3 years ago
He is using AO51 satelite : uplink in VHF and Downlink in UHF.
Ham radio have also communication satelites...
leman13 2 years ago