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Date
Re: Cables for GE Mastr II S3V225UAUHA
How do you figure? Amplifiers consume DC power. They don't consume RF. The DC current being pulled by an amplifier operating an emission that lacks any amplitude variation (such as FM) will pull
By Jeff DePolo WN3A · #169285 ·
Re: Cables for GE Mastr II S3V225UAUHA
The only time I've used amplifiers in parallel they had measured sections of 75ohm [could have been 1/4 waves] to split into and combine out of the PAs. Just paralleling will present 25ohms to six
By Ray Sohst · #169284 ·
Re: Cables for GE Mastr II S3V225UAUHA
I thought that Quintron/Glenayre paging transmitters used this technique.? 1/4 wave difference seems to come to mind.? It's been a long time..... Joe
By Joe · #169283 ·
Re: Cables for GE Mastr II S3V225UAUHA
Thank you.I have RG 214 ready to cut.I was thinking the amps needed to be fed out of phase to lessen the load on the power supply.
By bil.isom · #169282 ·
Re: Cables for GE Mastr II S3V225UAUHA
The splitters and combiner are Wilkinsons and are mounted on panels. The cables that go to/from them can be any length PROVIDED that the total length of the cable to and from amplifier A is the same
By Jeff DePolo WN3A · #169281 ·
Re: Final notice
Thanks Jim. I hope it doesn't get past my giving them the "Larry David Look" and them revising the bill! There needs to be some consumer service that reviews these bills routinely and levels the
By RFI-EMI-GUY · #169280 ·
Re: 3MHz Compact Duplexer
Repeater-Builder@...> wrote: Thanks, Rob. That is pretty much exactly what I was hoping to find. Not sure how I missed those in my previous searches. The transmit would be high so I'll
By Brett Friermood · #169279 ·
Re: 3MHz Compact Duplexer
Here's a couple eBay listings that have ended. Click on the "See original listing" link at the end of the listing title. These are 30-37-92046-03A units. The 92046 in the model number refers to the
By Rob Lee K7TGU · #169278 ·
Re: 3MHz Compact Duplexer
There are 3 VHF bands available to amateurs: 6 meters, 220 mhz, 2 meters. The.most logical choice for a portable VHF repeater is 220 mhz. John Mackey, KS?F CPBE-DRB-8VSB, CBNE 503-706-6506
By John Mackey · #169277 ·
Re: 3MHz Compact Duplexer
Yeah, my bad! 73, Gary
By Gary HENDRICKSON <w3dtn@...> · #169276 ·
Re: 3MHz Compact Duplexer
Take a look at the Bird / Tx Rx 30-37-01A, 30-37-02A, 30-37-03A and 30-37-04A series. The 01A and 02A will do a 3.0 MHz split. The 03A and 04A will do a 1.5 MHz split. Unlike many duplexers, you
By Rob Lee K7TGU · #169275 ·
Re: Final notice
My wife is a professional medical biller and coder with more billing certifications behind her name than most DX-ers have extra call signs. If you'd like, she can review your medical billing. It's
By Jim Strohm · #169274 ·
Link antenna polarization
Considering a VHF repeater with a typical vertically polarized omni antenna, linked via UHF, is there a case to made for choosing either vertical or horizontal polarization for the link yagis? de
By Larry Horlick · #169273 ·
Re: 3MHz Compact Duplexer
Gary, I think he stated VHF, but I may be wrong¡­. Mark ¨C N9WYS Sent: Friday, September 21, 2018 11:50 AM To: Repeater-Builder@... Subject: Re: [Repeater-Builder] 3MHz Compact
By n9wys · #169272 ·
Re: Final notice
A quick reply, and I¡¯ll leave this go. The hospitals don¡¯t like me¡­ I have several chronic illnesses which require hospitalization from time to time, but for several years before I retired,
By n9wys · #169271 ·
MASTR III's For Sale
Guys,?As I mentioned here acouple of weeks ago, I have several GE MASTR III 380 to 400 MHz repeaters, andhave decided to try to find new homes for them.?I have also developed a complete frequency
By Gary HENDRICKSON <w3dtn@...> · #169270 ·
Re: 3MHz Compact Duplexer
Yep, sorry about that. My bad. This would be the 144-148Mhz, 2m band. [Repeater-Builder] <Repeater-Builder@...> wrote:
By Brett Friermood · #169269 ·
Cables for GE Mastr II S3V225UAUHA
Thank all of you for the information I have received by reading your mail. I have received a S3V225UAUHA 225 watt VHF repeater.? The rf cables are missing and I need to make new ones.? The 110 watt
By bil.isom · #169268 ·
Re: 3MHz Compact Duplexer
It¡¯s a valid question. Last I checked ham radio in ITU region 2 has three VHF bands, 50 MHz, 144 MHz and 222 MHz. -- Bryan Fields M: +1-727-409-1194
By Bryan Fields · #169267 ·
Re: 3MHz Compact Duplexer
Silly answer: "VHF amateur repeater" Which is what he says right at the beginning. Mick - W7CAT
By Teton Amateur Radio Repeater Association (TARRA) · #169266 ·