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	Comments on: Fun with RF &#038; PAL TVs	</title>
	<atom:link href="https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/feed/" rel="self" type="application/rss+xml" />
	<link>https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/</link>
	<description>Fun with Virtualization</description>
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		<title>
		By: neozeed		</title>
		<link>https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-330593</link>

		<dc:creator><![CDATA[neozeed]]></dc:creator>
		<pubDate>Sat, 20 May 2023 23:02:09 +0000</pubDate>
		<guid isPermaLink="false">http://virtuallyfun.com/?p=12386#comment-330593</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-330579&quot;&gt;GromBeestje&lt;/a&gt;.

Thanks! as someone who grew up outside of Europe, it&#039;s been a bit overwhelming when it comes to this old stuff, It&#039;s a parallel univers of incompatible standards.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-330579">GromBeestje</a>.</p>
<p>Thanks! as someone who grew up outside of Europe, it&#8217;s been a bit overwhelming when it comes to this old stuff, It&#8217;s a parallel univers of incompatible standards.</p>
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		<title>
		By: GromBeestje		</title>
		<link>https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-330579</link>

		<dc:creator><![CDATA[GromBeestje]]></dc:creator>
		<pubDate>Sat, 20 May 2023 19:49:25 +0000</pubDate>
		<guid isPermaLink="false">http://virtuallyfun.com/?p=12386#comment-330579</guid>

					<description><![CDATA[System I is for the UK, both VHF and UHF
System B is for VHF, System G is for UHF, in most continental European countries.
System L is for France. 

System L uses positive modulation, while system I, B and G use negative modulation. 

Note that France used the SECAM colour system, while the rest of Europe used the PAL system. It was commonly said the systems were incompatible due the PAL/SECAM difference, but the real incompatibility was the L system.

In the past, Greece used SECAM on top of the B/G black&#038;white sytems. A television set from example, the Netherlands, which was for B/G PAL, would receive B/G SECAM signals only in black&#038;white, as it understand B/G but not SECAM.

The same can be said about the PAL/NTSC difference. Countries that uses NTSC commonly use it on top of an incompatible black&#038;white system.

The difference between continental European G and UK I broadcasts is the spacing between the video and the audio channel. 

I have seen RF modulators back in the days, like the one that came with a camcorder, to have a switch between G and I.
PAL RF Modulators also commonly have a potmeter to adjust the channel. Such a potmeter is also found at the back of a PAL VCR.]]></description>
			<content:encoded><![CDATA[<p>System I is for the UK, both VHF and UHF<br />
System B is for VHF, System G is for UHF, in most continental European countries.<br />
System L is for France. </p>
<p>System L uses positive modulation, while system I, B and G use negative modulation. </p>
<p>Note that France used the SECAM colour system, while the rest of Europe used the PAL system. It was commonly said the systems were incompatible due the PAL/SECAM difference, but the real incompatibility was the L system.</p>
<p>In the past, Greece used SECAM on top of the B/G black&amp;white sytems. A television set from example, the Netherlands, which was for B/G PAL, would receive B/G SECAM signals only in black&amp;white, as it understand B/G but not SECAM.</p>
<p>The same can be said about the PAL/NTSC difference. Countries that uses NTSC commonly use it on top of an incompatible black&amp;white system.</p>
<p>The difference between continental European G and UK I broadcasts is the spacing between the video and the audio channel. </p>
<p>I have seen RF modulators back in the days, like the one that came with a camcorder, to have a switch between G and I.<br />
PAL RF Modulators also commonly have a potmeter to adjust the channel. Such a potmeter is also found at the back of a PAL VCR.</p>
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		<item>
		<title>
		By: neozeed		</title>
		<link>https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-329794</link>

		<dc:creator><![CDATA[neozeed]]></dc:creator>
		<pubDate>Fri, 05 May 2023 13:26:30 +0000</pubDate>
		<guid isPermaLink="false">http://virtuallyfun.com/?p=12386#comment-329794</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-329591&quot;&gt;nortti&lt;/a&gt;.

I&#039;ve set it to an aggressive cache on cloudflare as I had someone hitting it every second, and it was causing a bit of havoc.  I think it should be doing something now.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-329591">nortti</a>.</p>
<p>I&#8217;ve set it to an aggressive cache on cloudflare as I had someone hitting it every second, and it was causing a bit of havoc.  I think it should be doing something now.</p>
]]></content:encoded>
		
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		<item>
		<title>
		By: neozeed		</title>
		<link>https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-329683</link>

		<dc:creator><![CDATA[neozeed]]></dc:creator>
		<pubDate>Wed, 03 May 2023 23:27:32 +0000</pubDate>
		<guid isPermaLink="false">http://virtuallyfun.com/?p=12386#comment-329683</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-329644&quot;&gt;Evan Anderson&lt;/a&gt;.

I’ll have to check it soonish.

I need to publish the why it’s been going on.  So much to fix..  but it’s slowly getting there]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-329644">Evan Anderson</a>.</p>
<p>I’ll have to check it soonish.</p>
<p>I need to publish the why it’s been going on.  So much to fix..  but it’s slowly getting there</p>
]]></content:encoded>
		
			</item>
		<item>
		<title>
		By: Evan Anderson		</title>
		<link>https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-329644</link>

		<dc:creator><![CDATA[Evan Anderson]]></dc:creator>
		<pubDate>Wed, 03 May 2023 12:05:34 +0000</pubDate>
		<guid isPermaLink="false">http://virtuallyfun.com/?p=12386#comment-329644</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-329591&quot;&gt;nortti&lt;/a&gt;.

I&#039;m seeing the same thing here re: the RSS feed. I&#039;m able to repro the error message (below w/ my IP removed) from my feed reader (a self-hosted system that uses cURL to download feeds), Chrome w/ NoScript, and an up-to-date Microsoft Chromium/Edge in stock configuration.

---

I got an error when visiting virtuallyfun.com/feed.

Error code: 1020
Ray ID: 7c185ad968e22d8e
Country: US
Data center: ord07
IP: x.x.x.x
Timestamp: 2023-05-03 12:02:24 UTC]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-329591">nortti</a>.</p>
<p>I&#8217;m seeing the same thing here re: the RSS feed. I&#8217;m able to repro the error message (below w/ my IP removed) from my feed reader (a self-hosted system that uses cURL to download feeds), Chrome w/ NoScript, and an up-to-date Microsoft Chromium/Edge in stock configuration.</p>
<p>&#8212;</p>
<p>I got an error when visiting virtuallyfun.com/feed.</p>
<p>Error code: 1020<br />
Ray ID: 7c185ad968e22d8e<br />
Country: US<br />
Data center: ord07<br />
IP: x.x.x.x<br />
Timestamp: 2023-05-03 12:02:24 UTC</p>
]]></content:encoded>
		
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		<title>
		By: nortti		</title>
		<link>https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-329591</link>

		<dc:creator><![CDATA[nortti]]></dc:creator>
		<pubDate>Tue, 02 May 2023 16:09:23 +0000</pubDate>
		<guid isPermaLink="false">http://virtuallyfun.com/?p=12386#comment-329591</guid>

					<description><![CDATA[It looks like the RSS feed is broken at the moment, with Cloudflare error message when I try to access it.]]></description>
			<content:encoded><![CDATA[<p>It looks like the RSS feed is broken at the moment, with Cloudflare error message when I try to access it.</p>
]]></content:encoded>
		
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		<title>
		By: JQW		</title>
		<link>https://virtuallyfun.com/2023/04/30/fun-with-rf-pal-tvs/comment-page-1/#comment-329478</link>

		<dc:creator><![CDATA[JQW]]></dc:creator>
		<pubDate>Sun, 30 Apr 2023 18:05:24 +0000</pubDate>
		<guid isPermaLink="false">http://virtuallyfun.com/?p=12386#comment-329478</guid>

					<description><![CDATA[The suffixes are the different CCIR channel allocations, with different bandwidths per channel, and different audio channel offset frequencies. CCIR B, G and I were used for PAL, whereas CCIR L was used by the SECAM system in France.]]></description>
			<content:encoded><![CDATA[<p>The suffixes are the different CCIR channel allocations, with different bandwidths per channel, and different audio channel offset frequencies. CCIR B, G and I were used for PAL, whereas CCIR L was used by the SECAM system in France.</p>
]]></content:encoded>
		
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