I think the answer is two factors, three if you count operator skill:
(1) Use of CW. Even the oldest xmtr or comparable power can put out a
clean CW signal.
(2) Low noise receiver, no digital hash or synthesizer phase noise.
Also, what antenna do you use?
73,
Bob WB2VUF
On 8/10/2012 7:59 PM, Richards wrote:
> Well... just think... I bet you could have knocked those
> down in half the time, with a newer TT rig... ;-)
>
>
> [But seriously, folks,... congratulations, and well said.]
>
> --------------------------- K8JHR --------------------------------
>
> On 8/10/2012 7:51 PM, Curt wrote:
>> Not sure why, but remain impressed by capabilities of my older Ten-Tec rigs
>> ( 540, 544, 546 ). With little effort this afternoon, Bulgaria, Gibraltar,
>> Slovenia, Slovak Republic in about 30 minutes using the 544 on cw. Not many
>> bells and whistles, still FB.
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