For that matter frequency can't be high or low... That's the wrong
measurement... It's actually just more or less often, right? Something being
high is relative to the observer.
> On Nov 11, 2013, at 1:37 PM, "Fuqua, Bill L" <wlfuqu00@uky.edu> wrote:
>
> Isn't "UHF Connector" an oxymoron?
> 73
> Bill wa4lav
>
> ________________________________________
> From: Amps [amps-bounces@contesting.com] on behalf of Peter Voelpel
> [dj7ww@t-online.de]
> Sent: Monday, November 11, 2013 1:35 PM
> To: 'Amps'
> Subject: Re: [Amps] "N, " "TNC" and "BNC" connectors are rated at 500 Watts
> and work at 1, 000 Watts as log as the load is good..
>
> My 2m equipment runs 2.5KW out via N connectors since 1988.
> Of course all my connectors and relays are made in Germany by Spinner or RFS
> and no Chinese or US crap.
>
> 73
> Peter
>
> -----Original Message-----
> From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of Carl
> Sent: Montag, 11. November 2013 18:40
> To: N1BUG; amps@contesting.com
> Subject: Re: [Amps] "N," "TNC" and "BNC" connectors are rated at 500 Watts
> and work at 1,000 Watts as log as the load is good..
>
> My 2M amp runs a solid 1500W with N connectors at the amp, transfer relay,
> Bird line section, and up at the rotor loop, power divider and antennas.
> Never blew one.
>
> Of course all are US made mil spec from hamfests, etc and no import crap.
>
> The 432 military cavity ran 1000W AM carrier, 4000W PEP, thru N's. I guess
> its all in the details such as who made them. I cant run that amp at 1500W
> here without upgrading the feed and antennas.
>
> Carl
> KM1H
>
>
>
> ----- Original Message -----
> From: "N1BUG" <paul@n1bug.com>
> To: <amps@contesting.com>
> Sent: Monday, November 11, 2013 6:58 AM
> Subject: Re: [Amps] "N, " "TNC" and "BNC" connectors are rated at 500 Watts
> and work at 1, 000 Watts as log as the load is good..
>
>
>> My weak mind is trying to understand the problem. Maybe it's something to
>> do with the imbalance of the antenna?
>>
>> I ran QRO significantly exceeding this definition through N connectors at
>> 144 MHz for many years without ever losing one. SWR was often well above
>> 2:1 (more than 3:1 with any ice or snow) and the feedline typically was
>> 150 feet or less of Andrew LDF5-50A (7/8 heliax), with runs as short as 60
>
>> feet being in use most of the time. There was an N connector at the
>> transmitter end too.
>>
>> I can think of others who have abused N connectors even more without
>> problems.
>>
>> 73,
>> Paul N1BUG
>>
>>
>>
>>> On 11/11/2013 03:04 AM, Roger (K8RI) wrote:
>>>> On 11/11/2013 2:03 AM, Charles Harpole wrote:
>>>> Notice that the Alpha 76a warns to put no more than 100 watts thru it on
>
>>>> stand by.
>>>
>>> Having used, misused, and abused N-type connectors, experience in the
>>> real world has shown me that these are not connectors to use for QRO.
>>> Yes, I know hams who have used them at the legal limit for years,
>>>
>>> I have found N-type will run the legal limit if the SWR is low AND to
>>> you QRO is not 1 watt over the 1500 and usually at the end of several
>>> hundred feet of inexpensive coax.
>>>
>>> With a center fed, sloping dipole, which is far from being a balanced
>>> antenna, I have blown Male and the double female connectors by moving 50
>>> to 100 KHz off resonance. I've also had nearby lightening strikes take
>>> them out.
>>>
>>> I'd prefer DIN 7-16 connectors, but haven't found a source at reasonable
>>> prices. Although their construction is such that a small shop could
>>> easily copy the design.
>>>
>>> UHF connectors are fine if properly weatherproofed and the loss through
>>> 50 MHz isn't enough to be worth mentioning. I just do not like their
>>> lack of strength and they start to get expensive to fit LMR-600.
>>>
>>> I'd limit my use of BNCs to a 100 watts as do you or replace them with
>>> UHF or N type for a couple hundred watts.
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>>
>> -----
>> No virus found in this message.
>> Checked by AVG - www.avg.com
>> Version: 10.0.1432 / Virus Database: 3222/6327 - Release Date: 11/11/13
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|