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Subject:
From:
colin McDonald <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Thu, 24 Mar 2011 17:19:46 -0600
Content-Type:
text/plain
Parts/Attachments:
text/plain (155 lines)
I worked senegal and kape verday on tuesday night around 7:30 on 
20M...granted, it was with a 756 pro 3 and a 4 element beam at 65FT from our 
club station.
73
Colin, V A6BKX
----- Original Message ----- 
From: "Ed Malmgren" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, March 22, 2011 7:31 AM
Subject: Re: Ht burning out?


>   For sure, I worked two chinese and one vietnam station this morning on 
> 40
> C W so I think there pretty good.  73
> Ed  K7UC
> ----- Original Message ----- 
> From: "colin McDonald" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Monday, March 21, 2011 1:29 PM
> Subject: Re: Ht burning out?
>
>
>> granted, conditions aren't what they are at the peak of the Sun Spot
>> cycle.
>> We all know that.  but they're not dismal either.
>> Just listen to the boys working pile ups on 15, 17, 20, 40M on a daily 
>> and
>> nightly basses.
>> 73
>> Colin, V A6BKX
>> ----- Original Message ----- 
>> From: "John Miller" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Sunday, March 20, 2011 6:09 AM
>> Subject: Re: Ht burning out?
>>
>>
>>>I love it when some say conditions are horrible still on HF, they're
>>> improving and the club I belong to is even talking about going back to 
>>> 3A
>>> next field day. Biggest problem right now is the shelter but it looks
>>> like
>>> it's going to happen.
>>> ----- Original Message ----- 
>>> From: "colin McDonald" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Sunday, March 20, 2011 1:33 AM
>>> Subject: Re: Ht burning out?
>>>
>>>
>>>> Darren:
>>>> as with anything from the internet, make sure you take things with a
>>>> grain
>>>> of sault.  Just because the guy has a call sign and writes something
>>>> coherent, doesn't mean he's automatically correct or even close to the
>>>> mark.
>>>> Many licensed hams who write articles and blogs and tid bits are
>>>> correct,
>>>> but things like this just have to be taken with a huge pinch of sault.
>>>> Same goes for the sub group of would be, old time HF operators who
>>>> haven't
>>>> touched it in years because "the conditions aren't there" or the
>>>> "propigation is terrible" or whatever...in their experience perhaps, 
>>>> but
>>>> the
>>>> facts of the matter are quite the opposite for those of us who actually
>>>> make
>>>> an effort to closely monitor such things on a daily basses.
>>>> I get pretty choked at some local hams who would have everyone,
>>>> including
>>>> new hams, believe that there is no point to getting on the HF
>>>> frequencies
>>>> because propigation is so bad anyway, why bother.  These guys haven't
>>>> turned
>>>> a radio with a decent antenna on in 15 years or more in most cases...or
>>>> they're of the type that sit down on 3700 and don't move.  Unless they
>>>> hear
>>>> Europe blasting in at 40 over S9 on 80 meters, then they figure there's
>>>> no
>>>> conditions.
>>>>
>>>> anyway sorry for the rant, but I don't like intentional misinformation
>>>> especially for newer hams.
>>>> I am occasionally wrong about something and am corrected usually lol.
>>>> However, if I am wrong, it is not intentionally misleading.
>>>>
>>>> 73
>>>> Colin, V A6BKX
>>>> ----- Original Message ----- 
>>>> From: "John Miller" <[log in to unmask]>
>>>> To: <[log in to unmask]>
>>>> Sent: Saturday, March 19, 2011 8:11 PM
>>>> Subject: Re: Ht burning out?
>>>>
>>>>
>>>>> Even back when I liked 2 meters, and used an HT a lot, I never had 
>>>>> that
>>>>> problem and really can't think of one person I know who has.
>>>>> ----- Original Message ----- 
>>>>> From: "KK4AHX Darren Duff" <[log in to unmask]>
>>>>> To: <[log in to unmask]>
>>>>> Sent: Saturday, March 19, 2011 9:03 PM
>>>>> Subject: Ht burning out?
>>>>>
>>>>>
>>>>>> Hi.
>>>>>> After reading the below paragraph in an online article I am worried
>>>>>> about
>>>>>> burning out my ht. It's the only rig I have now. I want to get a
>>>>>> mobile
>>>>>> to
>>>>>> use as a base station but it's not in the budget right now. I would
>>>>>> like
>>>>>> to
>>>>>> know what other's think. here is the snip from the article.
>>>>>>
>>>>>> HAND HELD DUTY CYCLE LIMITS
>>>>>>
>>>>>> If you subject today's HTs to frequent full power, 5w transmissions 
>>>>>> of
>>>>>> several minutes duration they overheat and the final power 
>>>>>> transistors
>>>>>> may
>>>>>> fail prematurely. Kenwood and Yaesu state in their service manuals
>>>>>> that
>>>>>> their HTs are rated for 20% duty cycle at their maximum RF output, or
>>>>>> 30
>>>>>> seconds of transmit to 2 minutes of standby. After I first got my
>>>>>> license,
>>>>>> I burned up three sets of "finals" in less than a year with long
>>>>>> winded
>>>>>> QSOs using a Radio Shack HTX-202 which produced 8w when powered at
>>>>>> 13.8V
>>>>>> from my auto cigarette lighter plug! When the warranty ran out, I
>>>>>> replaced
>>>>>> it with a Kenwood TH-22 and repeated the same result. Kenwood's
>>>>>> Virginia
>>>>>> Beach service center politely admonished me that I was "exceeding the
>>>>>> recommended duty cycle" and should buy a mobile. I followed their
>>>>>> advice
>>>>>> and am satisfied with my two Kenwood mobiles, but I sought out other
>>>>>> HTs
>>>>>> and pass that advice along.
>>>>>>
>>>>>> Thanks, 73's.
>>>>>>
>>>>>> Darren Duff.
>>>>>>
>>>>>> amateur radio station KK4AHX.
>>>>>>
>>>>>>
>>>>>
>> 

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