Dual Band J Pole Copper Cactus / The gain and pattern are the same as with a normal vertical dipole.
Dual Band J Pole Copper Cactus / The gain and pattern are the same as with a normal vertical dipole.. 5 видео 783 просмотра обновлен 9 июл. Start date feb 9, 2007. While all the designs performed. The copper cactus j pole antenna design is a simple amateur radio antenna model that will allow you to operate both bands with good performance it dual band j pole. It probably adds some inductance which could explain why.
From wikipedia, the free encyclopedia. While all the designs performed. The copper cactus antenna to: Listed under the antennas/vhf uhf category that is about antennas for vhf uhf bands. It does not require a ground plane for operation, but it is firmly recommended that the antenna should be mounted on a well grounded metal pole.
K9JEB - Ham Radio and Electronics from k9jeb.com This is a very easy and simple 2 meter/70cm vertical antenna. The gain and pattern are the same as with a normal vertical dipole. Using 50w i frequently worked repeaters across lake michigan or to however, if you follow the dimensions in this article you will have a j that should exhibit less than 1.5:1 vswr across the 2m band and under 3.0:1 across 70cm. Find many great new & used options and get the best deals for 2 meter dual band collapsible copper j pole antenna i had cliff set my j pole to the center of the old commercial band for me and figured it would have just a little bit higher swr on ham 2 meter and 70 cm than it would normally be. Jump to navigation jump to search. I do have a discone outside for one, but after finding this forum, i thought that i might build something. While all the designs performed. I built one of these myself and seems to work quit well.
The copper cactus j pole antenna design is a simple amateur radio antenna model that will allow you to operate both bands with good performance it dual band j pole.
What i did was use hose clamps until i got the sw correct and then. The radiation pattern is that of a half wave antenna and is symmetrical and doesn't need a counterpoise to work. I built one of these myself and seems to work quit well. It probably adds some inductance which could explain why. From wikipedia, the free encyclopedia. 5 видео 783 просмотра обновлен 9 июл. You can either feed it with separate coax's for each band or a single coax, however, separate coax's make it. A dual band j pole had been in the back of my mind for a number of years, the simplicity of this design and the fact that it was ground independent, that is requiring no ground plan radials made the j pole the choice. The copper cactus j pole antenna design is a simple amateur radio antenna model that will allow you to operate both bands with good performance it dual band j pole. This is a very easy and simple 2 meter/70cm vertical antenna. Dcx, i have made a couple of copper cactus antennas and they work pretty well when they are set up correctly. How to make your own copper cactus j pole antenna for amateur radio. This will provide some protection in the event of a lightning strike.
Start date feb 9, 2007. The copper cactus j pole antenna design is a simple amateur radio antenna model that will allow you to operate both bands with good performance it dual band j pole. Any recommendations to a new tech for a good vhf/uhf antenna for a ham shack. I built one of these myself and seems to work quit well. This is a very easy and simple 2 meter/70cm vertical antenna.
11 best Antenna, VHF/UHF J-Pole & Slim Jim images on ... from i.pinimg.com A balun is necessary because a j pole antenna uses a balanced feed the. The copper cactus j pole antenna design is a simple amateur radio antenna model that will allow you to operate both bands with good performance it dual band j pole. You can either feed it with separate coax's for each band or a single coax, however, separate coax's make it. The antenna is a dual j pole design, and has a common driven element for both bands. Find many great new & used options and get the best deals for 2 meter dual band collapsible copper j pole antenna i had cliff set my j pole to the center of the old commercial band for me and figured it would have just a little bit higher swr on ham 2 meter and 70 cm than it would normally be. From wikipedia, the free encyclopedia. I built one of these myself and seems to work quit well. This will provide some protection in the event of a lightning strike.
Copper cactus dual band super j pole antenna project 2 meter 70 cm home brew antenna.
This is a very easy and simple 2 meter/70cm vertical antenna. The antenna is a dual j pole design, and has a common driven element for both bands. The copper cactus j pole antenna design is a simple amateur radio antenna model that will allow you to operate both bands with good performance it dual band j pole. Listed under the antennas/vhf uhf category that is about antennas for vhf uhf bands. While all the designs performed. From wikipedia, the free encyclopedia. A dual band j pole had been in the back of my mind for a number of years, the simplicity of this design and the fact that it was ground independent, that is requiring no ground plan radials made the j pole the choice. A balun is necessary because a j pole antenna uses a balanced feed the. I do have a discone outside for one, but after finding this forum, i thought that i might build something. The radiation pattern is that of a half wave antenna and is symmetrical and doesn't need a counterpoise to work. This is a very easy and simple 2 meter/70cm vertical antenna. The gain and pattern are the same as with a normal vertical dipole. Copper cactus dual band super j pole antenna project 2 meter 70 cm home brew antenna.
This will provide some protection in the event of a lightning strike. From wikipedia, the free encyclopedia. Start date feb 9, 2007. This is a very easy and simple 2 meter/70cm vertical antenna. How to make your own copper cactus j pole antenna for amateur radio.
2 Meter Dual Band Collapsible Copper J Pole Antenna ... from ssli.ebayimg.com It probably adds some inductance which could explain why. Copper cactus dual band super j pole antenna project 2 meter 70 cm home brew antenna. The copper cactus j pole antenna design is a simple amateur radio antenna model that will allow you to operate both bands with good performance it dual band j pole. Find many great new & used options and get the best deals for 2 meter dual band collapsible copper j pole antenna i had cliff set my j pole to the center of the old commercial band for me and figured it would have just a little bit higher swr on ham 2 meter and 70 cm than it would normally be. 5 видео 783 просмотра обновлен 9 июл. I wanted something a little more substantial, though, for when operating at my primary/secondary qths. You can either feed it with separate coax's for each band or a single coax, however, separate coax's make it. I do have a discone outside for one, but after finding this forum, i thought that i might build something.
A dual band j pole had been in the back of my mind for a number of years, the simplicity of this design and the fact that it was ground independent, that is requiring no ground plan radials made the j pole the choice.
Listed under the antennas/vhf uhf category that is about antennas for vhf uhf bands. It probably adds some inductance which could explain why. The copper cactus antenna to: I do have a discone outside for one, but after finding this forum, i thought that i might build something. What i did was use hose clamps until i got the sw correct and then. Copper cactus dual band super j pole antenna project 2 meter 70 cm home brew antenna. You can either feed it with separate coax's for each band or a single coax, however, separate coax's make it. I built one of these myself and seems to work quit well. This is a very easy and simple 2 meter/70cm vertical antenna. Any recommendations to a new tech for a good vhf/uhf antenna for a ham shack. Using 50w i frequently worked repeaters across lake michigan or to however, if you follow the dimensions in this article you will have a j that should exhibit less than 1.5:1 vswr across the 2m band and under 3.0:1 across 70cm. The gain and pattern are the same as with a normal vertical dipole. This is a very easy and simple 2 meter/70cm vertical antenna.
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