Home |
Search |
Today's Posts |
|
#1
![]() |
|||
|
|||
![]() |
#3
![]() |
|||
|
|||
![]()
On Sun, 04 Jan 2004 22:34:19 GMT, Brian Whatcott
wrote: Lessee: 23 feet, say 7 meters is a quarter wave so a wavelength is 28 meters. 300/28 = 10.7 MHz or a little lower.... The wire in a glass whip can break. Checking it for resonance would eliminate this possibility. Brian W The wire in the whip isn't a straight piece of wire. It's coiled around a form to form a continuously-loaded shortened whip. The electrical length of it is considerably longer than 23'. It'll resonate lower than 10 Mhz somewhere...... |
#4
![]() |
|||
|
|||
![]() |
#6
![]() |
|||
|
|||
![]()
On Sun, 04 Jan 2004 22:34:19 GMT, Brian Whatcott
wrote: Lessee: 23 feet, say 7 meters is a quarter wave so a wavelength is 28 meters. 300/28 = 10.7 MHz or a little lower.... The wire in a glass whip can break. Checking it for resonance would eliminate this possibility. Brian W The wire in the whip isn't a straight piece of wire. It's coiled around a form to form a continuously-loaded shortened whip. The electrical length of it is considerably longer than 23'. It'll resonate lower than 10 Mhz somewhere...... |
#7
![]() |
|||
|
|||
![]()
Lessee: 23 feet, say 7 meters is a quarter wave
so a wavelength is 28 meters. 300/28 = 10.7 MHz or a little lower.... The wire in a glass whip can break. Checking it for resonance would eliminate this possibility. Brian W On 4 Jan 2004 05:28:37 -0800, (GeoffSchultz) wrote: The antenna is a 23 foot Shakespeare whip. I´ve checked the connections to it and they appear to be good. I´ve been told that my signal sounds good although I can only transmit at low power. I would have thought that at some frequency that the antenna would be tuned. -- Geoff Freebee wrote in message . .. you didn't say what the antenna is - assuming sailboat backstay - maybe check the condition of the HT wire from the tuner to the backstay? On 3 Jan 2004 11:25:06 -0800, (GeoffSchultz) wrote: I just got down to my boat on the Rio Dulce in Guatemala and found that my SEA-235 SSB tuner isn't tuning. The tuner should automatically tune |
#8
![]() |
|||
|
|||
![]()
The antenna is a 23 foot Shakespeare whip. I´ve checked the
connections to it and they appear to be good. I´ve been told that my signal sounds good although I can only transmit at low power. I would have thought that at some frequency that the antenna would be tuned. -- Geoff Freebee wrote in message . .. you didn't say what the antenna is - assuming sailboat backstay - maybe check the condition of the HT wire from the tuner to the backstay? On 3 Jan 2004 11:25:06 -0800, (GeoffSchultz) wrote: I just got down to my boat on the Rio Dulce in Guatemala and found that my SEA-235 SSB tuner isn't tuning. The tuner should automatically tune |
#9
![]() |
|||
|
|||
![]()
you didn't say what the antenna is - assuming sailboat backstay -
maybe check the condition of the HT wire from the tuner to the backstay? On 3 Jan 2004 11:25:06 -0800, (GeoffSchultz) wrote: I just got down to my boat on the Rio Dulce in Guatemala and found that my SEA-235 SSB tuner isn't tuning. The tuner should automatically tune |
Reply |
|
Thread Tools | Search this Thread |
Display Modes | |
|
|
![]() |
||||
Thread | Forum | |||
Johnson outboard problem | Cruising | |||
Cavitation problem | General | |||
fuel delivery problem on outboard? help | General | |||
Johnson outboard problem | General | |||
back with a problem now | General |