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North America Adventure Frequency: 146.58 MHz
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<blockquote data-quote="TCARC-BOT" data-source="post: 5496" data-attributes="member: 82"><p><a href="https://www.k0nr.com/wordpress/2021/01/north-america-adventure-freq/" target="_blank">North America Adventure Frequency: 146.58 MHz</a></p><p></p><p><a href="https://i2.wp.com/www.k0nr.com/wordpress/wp-content/uploads/2021/01/Yaesu-146-58-scaled.jpg?ssl=1" target="_blank"><img src="https://i2.wp.com/www.k0nr.com/wordpress/wp-content/uploads/2021/01/Yaesu-146-58-scaled.jpg?resize=474%2C181&ssl=1" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a>Recently, on the <a href="https://nasota.groups.io" target="_blank">nasota group</a>, there was a discussion about designating an alternative 2m FM frequency for Summits On The Air (SOTA) use (instead of 146.52 MHz). The main driver for this is that 146.52 MHz can get busy with other radio traffic and/or a busy SOTA activation can tie up the calling frequency for a long time.</p><p></p><p>Rex KE6MT (SOTA W6 Association Manager) kicked it off with:</p><p></p><p></p><p></p><p>I have previously written about the challenges of using 146.52: <a href="https://www.k0nr.com/wordpress/2008/02/the-use-of-14652-mhz/" target="_blank">The Use of 146.52 MHz</a></p><p></p><p>One important idea is to include the other “OTAs” in adopting this frequency, most notably Parks On The Air (POTA). Hence the name “Adventure Frequency,” and not “SOTA Frequency.” It is really about hams operating portable in an outdoor setting. Of course, like all amateur spectrum, this frequency must be shared with other users.</p><p></p><p>It may seem like a simple thing to choose a nationwide simplex frequency but VHF band plans are managed regionally. In particular, there is a mix of 15-kHz and 20-kHz channel spacings. (For more background on this see <a href="https://www.k0nr.com/wordpress/2020/08/simplex-channels-2m/" target="_blank">Simplex Channel Confusion on 2 Meters</a>.)</p><p></p><p>After some discussion, the group settled on 146.58 MHz. There was some dialog around using CTCSS for signaling but nothing specific surfaced.</p><p></p><p>Some key points:</p><p></p><ul> <li data-xf-list-type="ul">The NAAF is 146.58 MHz.</li> <li data-xf-list-type="ul">This frequency is in addition to, not a replacement for, the National Simplex Calling Frequency 146.52 MHz.</li> <li data-xf-list-type="ul">Local usage will likely vary depending on needs.</li> <li data-xf-list-type="ul">Program 146.58 MHz as <em>The Other Simplex Frequency</em> in your radio.</li> </ul><p></p><p><strong>What does this mean to you?</strong></p><p></p><p>Program 146.58 MHz into your radio and have it available. If you are doing SOTA (or POTA) activations, consider using this frequency, especially if you are in an area where 146.52 is used a lot. (I’ve already started using this frequency for SOTA activations near urban areas.)</p><p></p><p>73 Bob K0NR</p><p></p><p>The post <a href="https://www.k0nr.com/wordpress/2021/01/north-america-adventure-freq/" target="_blank">North America Adventure Frequency: 146.58 MHz</a> appeared first on <a href="https://www.k0nr.com/wordpress" target="_blank">The KØNR Radio Site</a>.</p></blockquote><p></p>
[QUOTE="TCARC-BOT, post: 5496, member: 82"] [url="https://www.k0nr.com/wordpress/2021/01/north-america-adventure-freq/"]North America Adventure Frequency: 146.58 MHz[/url] [URL='https://i2.wp.com/www.k0nr.com/wordpress/wp-content/uploads/2021/01/Yaesu-146-58-scaled.jpg?ssl=1'][IMG]https://i2.wp.com/www.k0nr.com/wordpress/wp-content/uploads/2021/01/Yaesu-146-58-scaled.jpg?resize=474%2C181&ssl=1[/IMG][/URL]Recently, on the [URL='https://nasota.groups.io']nasota group[/URL], there was a discussion about designating an alternative 2m FM frequency for Summits On The Air (SOTA) use (instead of 146.52 MHz). The main driver for this is that 146.52 MHz can get busy with other radio traffic and/or a busy SOTA activation can tie up the calling frequency for a long time. Rex KE6MT (SOTA W6 Association Manager) kicked it off with: I have previously written about the challenges of using 146.52: [URL='https://www.k0nr.com/wordpress/2008/02/the-use-of-14652-mhz/']The Use of 146.52 MHz[/URL] One important idea is to include the other “OTAs” in adopting this frequency, most notably Parks On The Air (POTA). Hence the name “Adventure Frequency,” and not “SOTA Frequency.” It is really about hams operating portable in an outdoor setting. Of course, like all amateur spectrum, this frequency must be shared with other users. It may seem like a simple thing to choose a nationwide simplex frequency but VHF band plans are managed regionally. In particular, there is a mix of 15-kHz and 20-kHz channel spacings. (For more background on this see [URL='https://www.k0nr.com/wordpress/2020/08/simplex-channels-2m/']Simplex Channel Confusion on 2 Meters[/URL].) After some discussion, the group settled on 146.58 MHz. There was some dialog around using CTCSS for signaling but nothing specific surfaced. Some key points: [LIST] [*]The NAAF is 146.58 MHz. [*]This frequency is in addition to, not a replacement for, the National Simplex Calling Frequency 146.52 MHz. [*]Local usage will likely vary depending on needs. [*]Program 146.58 MHz as [I]The Other Simplex Frequency[/I] in your radio. [/LIST] [B]What does this mean to you?[/B] Program 146.58 MHz into your radio and have it available. If you are doing SOTA (or POTA) activations, consider using this frequency, especially if you are in an area where 146.52 is used a lot. (I’ve already started using this frequency for SOTA activations near urban areas.) 73 Bob K0NR The post [URL='https://www.k0nr.com/wordpress/2021/01/north-america-adventure-freq/']North America Adventure Frequency: 146.58 MHz[/URL] appeared first on [URL='https://www.k0nr.com/wordpress']The KØNR Radio Site[/URL]. [/QUOTE]
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