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Subject:
From:
colin McDonald <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Mon, 21 Mar 2011 13:29:16 -0600
Content-Type:
text/plain
Parts/Attachments:
text/plain (117 lines)
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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