際際滷shows by User: zl2al / http://www.slideshare.net/images/logo.gif 際際滷shows by User: zl2al / Wed, 28 Jan 2015 05:42:39 GMT 際際滷Share feed for 際際滷shows by User: zl2al Cycle 24 hbarc talk /slideshow/cycle-24-hbarc-talk/43988844 cycle24hbarctalk-150128054239-conversion-gate02
This presentation is about radio propagation and how the sun's activity affects HF radio communications. We are near the top of Cycle 24 and the slides show graphically what will happen to radio paths over the next 11 years into Chcle 25.]]>
This presentation is about radio propagation and how the sun's activity affects HF radio communications. We are near the top of Cycle 24 and the slides show graphically what will happen to radio paths over the next 11 years into Chcle 25.]]> Wed, 28 Jan 2015 05:42:39 GMT /slideshow/cycle-24-hbarc-talk/43988844 zl2al@slideshare.net(zl2al) Cycle 24 hbarc talk zl2al This presentation is about radio propagation and how the sun's activity affects HF radio communications. We are near the top of Cycle 24 and the slides show graphically what will happen to radio paths over the next 11 years into Chcle 25. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/cycle24hbarctalk-150128054239-conversion-gate02-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br> This presentation is about radio propagation and how the sun&#39;s activity affects HF radio communications. We are near the top of Cycle 24 and the slides show graphically what will happen to radio paths over the next 11 years into Chcle 25.
Cycle 24 hbarc talk from Lee Jennings
]]> 1916 5 https://cdn.slidesharecdn.com/ss_thumbnails/cycle24hbarctalk-150128054239-conversion-gate02-thumbnail.jpg?width=120&height=120&fit=bounds presentation Black http://activitystrea.ms/schema/1.0/post http://activitystrea.ms/schema/1.0/posted 0 29 EMI & Filtering /slideshow/29-emi-filtering/43190992 29emifiltering-150104155141-conversion-gate01
All about amateur radio EMI, interference and filtering to minimize. This relates to Section 29 of the NZART Radio Syllabus and may be used to teach this section of the exam.]]>
All about amateur radio EMI, interference and filtering to minimize. This relates to Section 29 of the NZART Radio Syllabus and may be used to teach this section of the exam.]]> Sun, 04 Jan 2015 15:51:41 GMT /slideshow/29-emi-filtering/43190992 zl2al@slideshare.net(zl2al) 29 EMI & Filtering zl2al All about amateur radio EMI, interference and filtering to minimize. This relates to Section 29 of the NZART Radio Syllabus and may be used to teach this section of the exam. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/29emifiltering-150104155141-conversion-gate01-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br> All about amateur radio EMI, interference and filtering to minimize. This relates to Section 29 of the NZART Radio Syllabus and may be used to teach this section of the exam.
29 EMI & Filtering from Lee Jennings
]]> 1735 2 https://cdn.slidesharecdn.com/ss_thumbnails/29emifiltering-150104155141-conversion-gate01-thumbnail.jpg?width=120&height=120&fit=bounds presentation Black http://activitystrea.ms/schema/1.0/post http://activitystrea.ms/schema/1.0/posted 0 28 Radio Propagation /slideshow/28-radio-propagation/43190980 28radiopropagation-150104155106-conversion-gate01
All about amateur radio propagation as understood by amateur radio operators This relates to Section 29 of the NZART Radio Syllabus and may be used to teach this section of the exam.]]>
All about amateur radio propagation as understood by amateur radio operators This relates to Section 29 of the NZART Radio Syllabus and may be used to teach this section of the exam.]]> Sun, 04 Jan 2015 15:51:06 GMT /slideshow/28-radio-propagation/43190980 zl2al@slideshare.net(zl2al) 28 Radio Propagation zl2al All about amateur radio propagation as understood by amateur radio operators This relates to Section 29 of the NZART Radio Syllabus and may be used to teach this section of the exam. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/28radiopropagation-150104155106-conversion-gate01-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br> All about amateur radio propagation as understood by amateur radio operators This relates to Section 29 of the NZART Radio Syllabus and may be used to teach this section of the exam.
28 Radio Propagation from Lee Jennings
]]> 1518 2 https://cdn.slidesharecdn.com/ss_thumbnails/28radiopropagation-150104155106-conversion-gate01-thumbnail.jpg?width=120&height=120&fit=bounds presentation Black http://activitystrea.ms/schema/1.0/post http://activitystrea.ms/schema/1.0/posted 0 27 Antennas /slideshow/27-antennas/43190968 27antennas-150104155026-conversion-gate02
All about amateur radio Antennas This relates to Section 27 of the NZART Radio Syllabus and may be used to teach this section of the exam.]]>
All about amateur radio Antennas This relates to Section 27 of the NZART Radio Syllabus and may be used to teach this section of the exam.]]> Sun, 04 Jan 2015 15:50:26 GMT /slideshow/27-antennas/43190968 zl2al@slideshare.net(zl2al) 27 Antennas zl2al All about amateur radio Antennas This relates to Section 27 of the NZART Radio Syllabus and may be used to teach this section of the exam. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/27antennas-150104155026-conversion-gate02-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br> All about amateur radio Antennas This relates to Section 27 of the NZART Radio Syllabus and may be used to teach this section of the exam.
27 Antennas from Lee Jennings
]]> 1956 3 https://cdn.slidesharecdn.com/ss_thumbnails/27antennas-150104155026-conversion-gate02-thumbnail.jpg?width=120&height=120&fit=bounds presentation Black http://activitystrea.ms/schema/1.0/post http://activitystrea.ms/schema/1.0/posted 0 26 Transmission Lines /slideshow/26-transmission-lines/43190946 26transmissionlines-150104154937-conversion-gate01
All about amateur radio RF transmission lines. This relates to Section 26 of the NZART Radio Syllabus and may be used to teach this section of the exam.]]>
All about amateur radio RF transmission lines. This relates to Section 26 of the NZART Radio Syllabus and may be used to teach this section of the exam.]]> Sun, 04 Jan 2015 15:49:37 GMT /slideshow/26-transmission-lines/43190946 zl2al@slideshare.net(zl2al) 26 Transmission Lines zl2al All about amateur radio RF transmission lines. This relates to Section 26 of the NZART Radio Syllabus and may be used to teach this section of the exam. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/26transmissionlines-150104154937-conversion-gate01-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br> All about amateur radio RF transmission lines. This relates to Section 26 of the NZART Radio Syllabus and may be used to teach this section of the exam.
26 Transmission Lines from Lee Jennings
]]> 2631 4 https://cdn.slidesharecdn.com/ss_thumbnails/26transmissionlines-150104154937-conversion-gate01-thumbnail.jpg?width=120&height=120&fit=bounds presentation Black http://activitystrea.ms/schema/1.0/post http://activitystrea.ms/schema/1.0/posted 0 24 Operating Procedures /slideshow/24-operating-procedures/43190940 24operatingprocedures-150104154923-conversion-gate01
All about amateur radio operating Procedures. This relates to Section 29 of the NZART Radio Syllabus and may be used to teach this section of the exam.]]>
All about amateur radio operating Procedures. This relates to Section 29 of the NZART Radio Syllabus and may be used to teach this section of the exam.]]> Sun, 04 Jan 2015 15:49:23 GMT /slideshow/24-operating-procedures/43190940 zl2al@slideshare.net(zl2al) 24 Operating Procedures zl2al All about amateur radio operating Procedures. This relates to Section 29 of the NZART Radio Syllabus and may be used to teach this section of the exam. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/24operatingprocedures-150104154923-conversion-gate01-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br> All about amateur radio operating Procedures. This relates to Section 29 of the NZART Radio Syllabus and may be used to teach this section of the exam.
24 Operating Procedures from Lee Jennings
]]> 958 2 https://cdn.slidesharecdn.com/ss_thumbnails/24operatingprocedures-150104154923-conversion-gate01-thumbnail.jpg?width=120&height=120&fit=bounds presentation Black http://activitystrea.ms/schema/1.0/post http://activitystrea.ms/schema/1.0/posted 0 23 Radio Regulations & 24 Operating Practices /slideshow/23-radio-regs-24-operating-practices/43190916 23radioregs24operatingpractices-150104154813-conversion-gate01
All about amateur radio Regulations and Operating practices This relates to Section 23 and 24 of the NZART Radio Syllabus and may be used to teach this section of the exam.]]>
All about amateur radio Regulations and Operating practices This relates to Section 23 and 24 of the NZART Radio Syllabus and may be used to teach this section of the exam.]]> Sun, 04 Jan 2015 15:48:13 GMT /slideshow/23-radio-regs-24-operating-practices/43190916 zl2al@slideshare.net(zl2al) 23 Radio Regulations & 24 Operating Practices zl2al All about amateur radio Regulations and Operating practices This relates to Section 23 and 24 of the NZART Radio Syllabus and may be used to teach this section of the exam. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/23radioregs24operatingpractices-150104154813-conversion-gate01-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br> All about amateur radio Regulations and Operating practices This relates to Section 23 and 24 of the NZART Radio Syllabus and may be used to teach this section of the exam.
23 Radio Regulations & 24 Operating Practices from Lee Jennings
]]> 990 6 https://cdn.slidesharecdn.com/ss_thumbnails/23radioregs24operatingpractices-150104154813-conversion-gate01-thumbnail.jpg?width=120&height=120&fit=bounds presentation Black http://activitystrea.ms/schema/1.0/post http://activitystrea.ms/schema/1.0/posted 0 Yagi Antennas Presentation /slideshow/yagi-antennas-presentation/43167001 yagitalk-150103053947-conversion-gate02
]]>
]]> Sat, 03 Jan 2015 05:39:47 GMT /slideshow/yagi-antennas-presentation/43167001 zl2al@slideshare.net(zl2al) Yagi Antennas Presentation zl2al <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/yagitalk-150103053947-conversion-gate02-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br>
Yagi Antennas Presentation from Lee Jennings
]]> 7597 4 https://cdn.slidesharecdn.com/ss_thumbnails/yagitalk-150103053947-conversion-gate02-thumbnail.jpg?width=120&height=120&fit=bounds presentation Black http://activitystrea.ms/schema/1.0/post http://activitystrea.ms/schema/1.0/posted 0 Ham Radio History /slideshow/ham-radio-history/43164947 hamradiohistorytalk2-150103025126-conversion-gate02
This is a presentation outlining the beginnings of Amateur radio in the early 1900s to the present day. There are 37 slides from the the Spark era to the rise of the internet within our hobby. Anyone is welcome to use any of this material if they presenting a similar talk.]]>
This is a presentation outlining the beginnings of Amateur radio in the early 1900s to the present day. There are 37 slides from the the Spark era to the rise of the internet within our hobby. Anyone is welcome to use any of this material if they presenting a similar talk.]]> Sat, 03 Jan 2015 02:51:26 GMT /slideshow/ham-radio-history/43164947 zl2al@slideshare.net(zl2al) Ham Radio History zl2al This is a presentation outlining the beginnings of Amateur radio in the early 1900s to the present day. There are 37 slides from the the Spark era to the rise of the internet within our hobby. Anyone is welcome to use any of this material if they presenting a similar talk. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/hamradiohistorytalk2-150103025126-conversion-gate02-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br> This is a presentation outlining the beginnings of Amateur radio in the early 1900s to the present day. There are 37 slides from the the Spark era to the rise of the internet within our hobby. Anyone is welcome to use any of this material if they presenting a similar talk.
Ham Radio History from Lee Jennings
]]> 5098 12 https://cdn.slidesharecdn.com/ss_thumbnails/hamradiohistorytalk2-150103025126-conversion-gate02-thumbnail.jpg?width=120&height=120&fit=bounds presentation Black http://activitystrea.ms/schema/1.0/post http://activitystrea.ms/schema/1.0/posted 0 Radio propagation 101 /slideshow/radio-propagation-101/43124434 radiopropagation101-141231201444-conversion-gate01
I developed this presentation for a talk to our local radio club in 2014. It graphically shows how the sun and it's activity affects ham radio activity.The 11 year cycle is explored along with the terms used to describe sunspot activity and it's relationship to radio communication.]]>
I developed this presentation for a talk to our local radio club in 2014. It graphically shows how the sun and it's activity affects ham radio activity.The 11 year cycle is explored along with the terms used to describe sunspot activity and it's relationship to radio communication.]]> Wed, 31 Dec 2014 20:14:44 GMT /slideshow/radio-propagation-101/43124434 zl2al@slideshare.net(zl2al) Radio propagation 101 zl2al I developed this presentation for a talk to our local radio club in 2014. It graphically shows how the sun and it's activity affects ham radio activity.The 11 year cycle is explored along with the terms used to describe sunspot activity and it's relationship to radio communication. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/radiopropagation101-141231201444-conversion-gate01-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br> I developed this presentation for a talk to our local radio club in 2014. It graphically shows how the sun and it&#39;s activity affects ham radio activity.The 11 year cycle is explored along with the terms used to describe sunspot activity and it&#39;s relationship to radio communication.
Radio propagation 101 from Lee Jennings
]]> 4832 11 https://cdn.slidesharecdn.com/ss_thumbnails/radiopropagation101-141231201444-conversion-gate01-thumbnail.jpg?width=120&height=120&fit=bounds presentation Black http://activitystrea.ms/schema/1.0/post http://activitystrea.ms/schema/1.0/posted 0 Ham Radio Vertical Antennas /slideshow/vertical-antennas/43124340 verticalantennas-141231200155-conversion-gate01
This presentation is about Amateur Radio Vertical antennas and was used with my talk to a local radio club in Napier New Zealand in 2014]]>
This presentation is about Amateur Radio Vertical antennas and was used with my talk to a local radio club in Napier New Zealand in 2014]]> Wed, 31 Dec 2014 20:01:55 GMT /slideshow/vertical-antennas/43124340 zl2al@slideshare.net(zl2al) Ham Radio Vertical Antennas zl2al This presentation is about Amateur Radio Vertical antennas and was used with my talk to a local radio club in Napier New Zealand in 2014 <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/verticalantennas-141231200155-conversion-gate01-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br> This presentation is about Amateur Radio Vertical antennas and was used with my talk to a local radio club in Napier New Zealand in 2014
Ham Radio Vertical Antennas from Lee Jennings
]]> 3924 8 https://cdn.slidesharecdn.com/ss_thumbnails/verticalantennas-141231200155-conversion-gate01-thumbnail.jpg?width=120&height=120&fit=bounds presentation White http://activitystrea.ms/schema/1.0/post http://activitystrea.ms/schema/1.0/posted 0 https://cdn.slidesharecdn.com/profile-photo-zl2al-48x48.jpg?cb=1523426782 Amateur Radio Operator for 63 years (VE3OE - ZL2AL and others). Retired and now 77 yrs old. Ex IBM engineer, pilot and Secondary school Technical teacher www.zl2al.com https://cdn.slidesharecdn.com/ss_thumbnails/cycle24hbarctalk-150128054239-conversion-gate02-thumbnail.jpg?width=320&height=320&fit=bounds slideshow/cycle-24-hbarc-talk/43988844 Cycle 24 hbarc talk https://cdn.slidesharecdn.com/ss_thumbnails/29emifiltering-150104155141-conversion-gate01-thumbnail.jpg?width=320&height=320&fit=bounds slideshow/29-emi-filtering/43190992 29 EMI &amp; Filtering https://cdn.slidesharecdn.com/ss_thumbnails/28radiopropagation-150104155106-conversion-gate01-thumbnail.jpg?width=320&height=320&fit=bounds slideshow/28-radio-propagation/43190980 28 Radio Propagation