The period after opening symbol or PAO symbol is a graphic symbol that identifies the useful lifetime of a cosmetics product after its package has been opened for the first time. It depicts an open cosmetics pot and is used together with a written number of months or years. Closeup of a womans eye while wearing makeup Cosmetics or makeup are substances to enhance the beauty of the human body, apart from simple cleaning. ...
In the European Union, cosmetics products with a shelf-life of at least 30 months are not required to carry a "best used before end of ..." date. Instead, there has to be "an indication of the period of time after opening for which the product can be used without any harm to the consumer". The EU Cosmetics Directive defines in Annex VIIIa the language-neutral open-jar symbol, which manufacturers should use to indicate this period.
The time period is most often represented compactly as a number of months, followed by the letter "M", as in "36M" for a period of three years, written either onto the front side of the depicted pot, or to the right of it. The letter "M" is the initial for the word month not only in English, but also in Latin (mensis), Spanish (mes), French (mois), German (Monat), Italian (mese), Dutch (maand), Danish (måned), Polish (miesiąc), Russian (месяц), Irish (mí) and many other languages. It also is used in the ISO 8601 duration notation. ISO 8601, Data elements and interchange formats – Information interchange – Representation of dates and times is an international standard for date and time representations. ...
After a few years on 6m I have decided that there is a problem that should be brought out into the open, nobody seems to have the courage to do it or maybe nobody else is stupid enough to speak out !.
Now that the use of the 6m band is at an all-time high, it is very important that the way each of us use the band does not upset our many close radio neighbours by spoiling their ability to work DX stations and have fun them themselves.
With the quickly shifting propagation as regularly encountered on 6m, it is quite possible that two stations who have been occupying a frequency for several hours running pile-ups without hearing each other, to suddenly find themselves in a clash.
This is the 'Jones version' of the Lawn Chair 6M Halo as viewed through the rear window of the mobile.
Dick described a 6M Halo antenna that was built from the aluminum frame of a 'generic' lawn chair.
However, I put the article and the idea aside, because I had no interest in a 6M vertical antenna for this QTH (nor, for mobile operation, either.) And, that was how the antenna was 'portrayed' in the article.
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