[Elecraft] FIELD DAY PREP
kevinr
kevinr at coho.net
Sat Jun 15 02:24:28 EDT 2019
Over the years I have been bitten by some tenacious flying insects. The
tiniest are the no-see-ums. They will drive you crazy. The largest
were in Arkansas. I swear their mosquitoes were as large as small
sparrows and could take a pint of blood at each involuntary donation.
But the largest swarms were a little north of Marquette, Iowa. My late
wife and I were touring the area near where I grew up when we visited
Effigy Mounds National Monument. She wanted to rest in the high
humidity of a July afternoon. I pointed to the cloud about 100 yards
away and told her we had to keep in front of it. She, life long native
of Washington County Oregon, had no idea what I meant. Stubborn Swedish
blood wanted to make her own mind and donate it. I advised her she
would be eaten alive and kept walking the trail. A few minutes later she
caught up to me and kept her opinion to herself. We got to the parking
lot and left the park without comment.
Kevin. KD5ONS
-
On 6/14/19 4:58 PM, AB4IQ wrote:
> Bob I wonder if your mosquitoes are bigger than ours?
>
> Ed..
>
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Bob McGraw K4TAX
> Sent: Friday, June 14, 2019 6:54 PM
> To: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] FIELD DAY PREP
>
> Absolutely the best! And the previous scores substantiate such.
>
> I've been using a 134 ft center fed dipole with balanced feed for 50+ years at my various QTH's. I've yet to find any antenna that performs better and always consistently without effects of wind, rain, snow and ice.
>
> 73
>
> Bob, K4TAX
>
> On 6/14/2019 6:47 PM, AB4IQ wrote:
>> We use Ladder line fed dipoles. The dipole is 134ft long and the feed
>> lines
>> (400 ohm Ladder Line) are cut at 96ft. one of our antennas ladder
>> line needs an extra length and I think it is cut at 66 ft. extra. We
>> place the antennas far enough apart but are in a straight line. The
>> ladder lines are terminated into DXEngineering baluns and with less
>> than ten feet of coax from the balun to the rigs. We have had three
>> rigs on the same band but different modes and no interference and have
>> been doing it this way for years. We gave up on beams, G5RV's, and
>> verticals long ago. Our call is W4NJA here in Paducah, Ky. and
>> normally operate 3A with a GOTO Station normally on 6 meters. If you
>> work us on CW you will be talking to my K3 with all the K3S stuff in it. The tuner works great on all bands.
>>
>> Long term forecasts looks like maybe some rain here in far W. Kentucky.
>>
>> Ed... AB4IQ
>>
>> -----Original Message-----
>> From: elecraft-bounces at mailman.qth.net
>> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of
>> donovanf at starpower.net
>> Sent: Friday, June 14, 2019 12:50 PM
>> To: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] FIELD DAY PREP
>>
>> When running multiple HF transmitters simultaneously its wise to:
>> - avoid multi-band antennas, or
>> - use external bandpass filters, or even better
>> - avoid multi-band antennas and use bandpass filters
>>
>>
>> 73
>> Frank
>> W3LPL
>>
>> ----- Original Message -----
>>
>> From: "Bob McGraw K4TAX" <rmcgraw at blomand.net>
>> To: donovanf at starpower.net
>> Cc: elecraft at mailman.qth.net
>> Sent: Friday, June 14, 2019 5:36:21 PM
>> Subject: Re: [Elecraft] FIELD DAY PREP
>>
>> Neither should G5RV antennas.
>>
>> Bob, K4TAX
>>
>>
>> Sent from my iPhone
>>
>>> On Jun 14, 2019, at 10:44 AM, donovanf at starpower.net wrote:
>>>
>>> oops... I meant to say:
>>>
>>>
>>> Inverted V dipole and verticals are NOT allowed at W3AO
>>>
>>> 73
>>> Frank
>>> W3LPL
>>>
>>> ----- Original Message -----
>>>
>>> From: donovanf at starpower.net
>>> To: elecraft at mailman.qth.net
>>> Sent: Friday, June 14, 2019 3:40:43 PM
>>> Subject: Re: [Elecraft] FIELD DAY PREP
>>>
>>> We use a dozen K3 transceivers at W3AO, we've never had a K3 failure
>>> despite running as many as four K3s on the same band (CW SSB Digital
>>> and GOTA). The four K3s on each band do not interfere with each other
>>> either.
>>>
>>>
>>>
>>> Our secrets to success:
>>>
>>>
>>> - same band antennas are horizontally polarized and oriented exactly
>>> end-to-end. Inverted V dipole and verticals are allowed. 100 feet of
>>> tip-to-tip spacing appears to be adequate, although we use much more.
>>>
>>>
>>> - We install W3NQN bandpass filters on every K3 to avoid overload
>>> from signals from nearby antennas for other bands.
>>>
>>>
>>> Its not widely known that K3 transceivers have built in bandpass
>>> filters. As far as I'm aware their performance characteristics have
>>> never been published, hence our preference to also also use external
>>> bandpass filters.
>>>
>>>
>>> 73
>>> Frank
>>> W3LPL
>>>
>>>
>>>
>>>
>>>
>>> ----- Original Message -----
>>>
>>> From: "Bob McGraw K4TAX" <rmcgraw at blomand.net>
>>> To: elecraft at mailman.qth.net
>>> Sent: Friday, June 14, 2019 3:24:01 PM
>>> Subject: Re: [Elecraft] FIELD DAY PREP
>>>
>>> With stations running 100 watts or less and reasonable antenna
>>> separation, I've found no reason for a Receiver Input Protector.
>>> Although, it might be a good idea to circumvent a "screw up" by an
>>> operator. I've seen some mighty strange things done by knowledgeable
>>> hams at Field Day.
>>>
>>> 73
>>>
>>> Bob, K4TAX
>>>
>>>
>>>> On 6/14/2019 10:07 AM, KENT TRIMBLE wrote:
>>>> Have any of you used Ameritron's "Receiver Input Protector" model
>>>> TRP-150? I find no reviews on eHam.
>>>>
>>>> 73,
>>>>
>>>> Kent K9ZTV
>>>>
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Elecraft at mailman.qth.net
>>>
>>> This list hosted by: http://www.qsl.net Please help support this
>>> email list: http://www.qsl.net/donate.html Message delivered to
>>> donovanf at starpower.net
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Elecraft at mailman.qth.net
>>>
>>> This list hosted by: http://www.qsl.net Please help support this
>>> email list: http://www.qsl.net/donate.html Message delivered to
>>> donovanf at starpower.net
>>>
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Elecraft at mailman.qth.net
>>>
>>> This list hosted by: http://www.qsl.net Please help support this
>>> email list: http://www.qsl.net/donate.html Message delivered to
>>> rmcgraw at blomand.net
>>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net Please help support this email
>> list: http://www.qsl.net/donate.html Message delivered to
>> ab4iq at comcast.net
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net Please help support this email
>> list: http://www.qsl.net/donate.html Message delivered to
>> rmcgraw at blomand.net
>>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html Message delivered to ab4iq at comcast.net
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to kevinr at coho.net
>
More information about the Elecraft
mailing list