Posted: 10/18/2013 12:23:05 PM EDT
| i got a used radio and noticed that on a few repeaters I had trouble getting in even though they were not much further out the others i had no trouble with. A friend has a watt meter. As it turns out, I'm able to transmit at full power except when transmitting on 144.xx. All repeaters that had an input frequency of 144.xx only shows about 1/3 the power on the watt meter. Is it normal to be able to transmit at full power except for a certain frequency range? |
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When programming in repeaters, the memory for each takes freq, tones, and other settings. They can also be programmed for power levels. So look everything carefully, perhaps this is the case.
When you transmit observe the display. Doe the power setting indication on the display indicate Low, or Mid, or some other tag to show lower power? |
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Quoted:
That's what i was afraid of. The radio still operates fine otherwise so for what i paid, i can't complain. If it is the final, will it get worse over time? Quoted:
Quoted:
Once you eliminate the antenna as a culprit it could be the VHF final? That's what i was afraid of. The radio still operates fine otherwise so for what i paid, i can't complain. If it is the final, will it get worse over time? It is the fold back, the antenna is nor really wide banded. Also as you begin the reach the band edges the radio will not show as much power out. It has to do with the band pass filters, and you will loose some of the power due to heat in the inductors. When a final gets weak, it will be consistent across the board. Normally band pass filters will not cause that much of a reduction in power. The only way to be sure is to put the radio into a dummy load with the power meter on it. More than likely it is just the antenna. They work great, but not real wide banded/ |
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Quoted:
It is the fold back, the antenna is nor really wide banded. Also as you begin the reach the band edges the radio will not show as much power out. It has to do with the band pass filters, and you will loose some of the power due to heat in the inductors. When a final gets weak, it will be consistent across the board. Normally band pass filters will not cause that much of a reduction in power. The only way to be sure is to put the radio into a dummy load with the power meter on it. More than likely it is just the antenna. They work great, but not real wide banded/ Quoted:
Quoted:
Quoted:
Once you eliminate the antenna as a culprit it could be the VHF final? That's what i was afraid of. The radio still operates fine otherwise so for what i paid, i can't complain. If it is the final, will it get worse over time? It is the fold back, the antenna is nor really wide banded. Also as you begin the reach the band edges the radio will not show as much power out. It has to do with the band pass filters, and you will loose some of the power due to heat in the inductors. When a final gets weak, it will be consistent across the board. Normally band pass filters will not cause that much of a reduction in power. The only way to be sure is to put the radio into a dummy load with the power meter on it. More than likely it is just the antenna. They work great, but not real wide banded/ Very good info. Thanks. |
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Quoted:
It is the fold back, the antenna is nor really wide banded. Also as you begin the reach the band edges the radio will not show as much power out. It has to do with the band pass filters, and you will loose some of the power due to heat in the inductors. When a final gets weak, it will be consistent across the board. Normally band pass filters will not cause that much of a reduction in power. The only way to be sure is to put the radio into a dummy load with the power meter on it. More than likely it is just the antenna. They work great, but not real wide banded/ Quoted:
Quoted:
Quoted:
Once you eliminate the antenna as a culprit it could be the VHF final? That's what i was afraid of. The radio still operates fine otherwise so for what i paid, i can't complain. If it is the final, will it get worse over time? It is the fold back, the antenna is nor really wide banded. Also as you begin the reach the band edges the radio will not show as much power out. It has to do with the band pass filters, and you will loose some of the power due to heat in the inductors. When a final gets weak, it will be consistent across the board. Normally band pass filters will not cause that much of a reduction in power. The only way to be sure is to put the radio into a dummy load with the power meter on it. More than likely it is just the antenna. They work great, but not real wide banded/ It was the antenna. I got my hands on a dual band antenna and was able to transmit at full power on the lower part of the band. |