[AMRadio] AM Presentation
rbethman
rbethman at comcast.net
Tue Jun 18 18:16:49 EDT 2013
We have 40M AM on the East Coast and we also get the West end of
Pennsylvania.
I can regularly hit NC, SC, PA, NY, and etc. Sometimes I get into FL.
I can do it with a DX-60 feeding an external Amp, A Ricebox feeding an
external Amp, OR I can light off the BC-610. I have an easy going on
40M. Except for one or two that need to get receivers! Seemd thay can
talk but can't hear......
Bob - N0DGN
On 6/18/2013 3:48 PM, Bob Macklin wrote:
> If you were a ham between 1955 and 1960 you could understand the push
> to convert to SSB. In that period AM was still the main HF mode. SSB
> was the new kid on the block.
>
> Any night 75M was packed wall to wall with phone signals. AM and SSB.
> It was noisy. The spectrum was small compared to today. The same was
> true for 20M on weekends.
>
> In those days there were few commercial SSB rigs and these were out of
> reach for the average ham. I believe it was probably the Heathkit
> HW-100/101 that gave more people the chance to convert to SSB.
>
> Sometime after about 1960 the manufactures stopped producing AM
> transmitters and new stuff was all SSB.
>
> In those days there was little interest in restoring old AM transmitters.
>
> The problem I see today is the small amount of AM operation currently.
> The PNW group has gone dormant. The SoCal group does not reach the PNW.
>
> How are things elsewhere? To get people interested in AM means there
> has to be AM activity they can listen to.
>
> I wish there was 40M AM activity. I have used my DX-60 for local rag
> chew operation. But there is no one left here that wants to play.
>
> Why is the 75M AM Window the only place AM seems to live. 75M used to
> be a good late night band. But the groups I know of only operate
> daytime or early evening. Then the propagation is limited.
>
> I'm not even hearing late night SSB on 75M here anymore.
>
> A 100W SSB RICEBOX can only produce about a 25W carrier in AM mode.
> But that is plenty for a club to use for local operation. And there is
> plenty of space between 7200 and 7300 to find a clear spot to work in.
>
> All you need is people with an interest in playing with their radios.
>
> AM is not a mode for just answering a CQ and giving a signal report.
> AM was made for roundtable BS sessions. I'd like to see that type of
> operation again.
>
> SMOKING IS NOT REQUIRED! IT'S OPTIONAL!
>
> Bob Macklin
> K5MYJ
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