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Repeater Antennas
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Justin Reed
At 15:37 4/24/99 -0500, you wrote:
From: drreality <drreality@...>The decibel products folded dipole antennas cut for the 450 to 470 MHz range work just perfectly in the 440-450 ham band. My repeater is living proof. Others in my area are using the same thing. They are fairly broad banded, and they work fine. I replaced my so-called diamond X500 HNA antenna with "11 dB" of gain with a DB products antenna with 6 dB gain and i actually gained a field strength of 3 dB. Go figure, i guess. Justin and Kim Reed NUJQ and KBNTH 910 N. Argyle Minneapolis, Kansas 67467 e-mail: jreed@... The N0UJQ Homepage |
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drreality
Hi Guys: I am working on putting a repeater together with a few other
folks help, and I am in need of a reccomendation of a good UHF repeater antenna. I have seen a few of the DB products antennas and called them about an antenna that would work for amateur UHF purposes. They informed me that they do not build an antenna for the Amateur UHF frequencies. I would like to stay away from the fiberglass antennas also. The local repeater here used one for a while but the noise buildup sometimes made the repeater almost useless to use. The frequency for this new repeater is on 442.700 Mhz. Any help you folks could reccomend would be appreciated. Terry KF0AO |
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Randy Leval
I agree regarding the Decibel Products folded dipole being a great antenna. Yes
they dont have one designed for 440 but the 450-470 version works fine. I've been running the 8 folded dipole DB products antenna for 12 years now on my repeater 442.750 repeater AH6GR/R. Its very well built. It is a great choice....the only draw back it that its expensive but definetely worth the money. 73 Randy Justin Reed wrote: From: Justin Reed <jreed@...>-- See Randy's ("The Guru") Personal Homepage at |
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In a message dated 4/25/99 12:33:11 PM Eastern Daylight Time, litz@...
writes: << >Hi Guys: I am working on putting a repeater together with a few other >folks help, and I am in need of a reccomendation of a good UHF repeater >antenna. I have seen a few of the DB products antennas and called them >about an antenna that would work for amateur UHF purposes. They >informed me that they do not build an antenna for the Amateur UHF >frequencies. I would like to stay away from the fiberglass antennas >also. The local repeater here used one for a while but the noise >buildup sometimes made the repeater almost useless to use. The >frequency for this new repeater is on 442.700 Mhz. Any help you folks >could reccomend would be appreciated. > >Terry >KF0AO > >------------------------------------------------------------------------ >G-SHOCK SPORTS WATCH - Built Tough! Built Cool! G-SHOCK keeps you in >> Terry your telling us that Decibel don,t make antennas cut for the ham bands, i just order one cut to the uhf 440-450mhz ham band, model DB420 a 8 bay dual exposed (16 dipoles 9 dbd.. I ordered thru Tessco in Maryland 1800-472-7373 their catalog number was 32470 it cost me 743.80 + 85 .00 for shipping.... It was a special order and they did not have it in stock, they say three weeks deleivery... Maybe you spoke to the wrong person at Decibel.. Fred |
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litz
I've been using the DB 420-B, 8 element exposed folded diapole array for
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working area UHF repeaters - with no problems. It replaced a Celwave PD 455-6 heavy duty fiberglass stick (also in the 450 to 460 band). Both antennas were rated for 10 dB gain - BUT the DB 420 far outperforms the fiberglass stick. Friends at the local radio shop swear by the DB antennas as well - they last longer and provide better lighning protection. Brian N0PMZ At 03:37 PM 4/24/99 -0500, you wrote:
From: drreality <drreality@...> |
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David Peterson
Try Sinclair Labs. They will tune their antennas in
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the Ham Bands. To me they are just as good as DB, but last time I've checked they are less expensive then DB. I have a new SRL-224 new in the box. It is for two meters, if any one is interested. Dave KD4POG PS this would have to be a pick up or a meet somewhere near the Atlanta area. this is a large antenna. -----Original Message-----
From: drreality [mailto:drreality@...] Sent: Saturday, April 24, 1999 4:37 PM To: Repeater-builder@... Subject: [Repeater-builder] Repeater Antennas From: drreality <drreality@...> Hi Guys: I am working on putting a repeater together with a few other folks help, and I am in need of a reccomendation of a good UHF repeater antenna. I have seen a few of the DB products antennas and called them about an antenna that would work for amateur UHF purposes. They informed me that they do not build an antenna for the Amateur UHF frequencies. I would like to stay away from the fiberglass antennas also. The local repeater here used one for a while but the noise buildup sometimes made the repeater almost useless to use. The frequency for this new repeater is on 442.700 Mhz. Any help you folks could reccomend would be appreciated. Terry KF0AO ------------------------------------------------------------------------ G-SHOCK SPORTS WATCH - Built Tough! Built Cool! G-SHOCK keeps you in Sync! Shock Resistant and Loaded with Features! Electo-luminescent, Satisfaction Guaranteed*No-Hassle Returns*Only $69 Free Freight in US ------------------------------------------------------------------------ This list is sponsored by the owners and users of "RBTIP" |
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Thomas, Kevin
Hello Terry,
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KB5ZVK here to tell you that I'm using a DB420 set at 451.000 mhz. 35 watt transmitter on a 175' tower at a ground level of 185' with 1 5/8 hardline and I get a range 40 miles to a mobile on medium power and still abile to use the autopatch on a cat1000 controler. I called DB Products about the antenna. and they told me that I could get a new phasing harnes tuned to amateur band But the price scared me away so I'm still using the this antenna tuned for 451.000 mhz. I love it.And have no complaints about the operation. -----Original Message----- |
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Ken Califf
What is the bandwidth/freq. of this antenna? Also what is price? I live in
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central Ga. and was considering a new DB224. David Peterson wrote: From: David Peterson <DPeterson@...> |
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