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Yes Robb but opinions based on uninformed personal beliefs and opinions based on years of experience and knowledge are two completely different things. BJ's 40m antenna at 30 feet is equivalent to an 11m antenna at 7 or 8 feet above the ground in terms of wavelengths. Antenna performance and TOA would be very similar. I can't fathom how many people swear by this 36 feet thing or my favourite as they call it "into the first wavelength". Saying that "You may get some at 20 feet" is a bit misleading IMO. You will get plenty of DX at 20 feet. I have gotten plenty of DX with a ground mounted antenna six INCHES above the ground. I am not in any way disputing the fact that a higher antenna is a better performer than a lower one but for a temporary antenna at a camp or field day operation throw up whatever you can and worry more about how long your battery will last than what the TOA or antenna height is. I operate "campground mobile" every year and just throw a wire up into a nearby tree or over the tent even and have a ball on 20m and up. When 10/11m is open you WILL work DX regardless of what you have for an antenna.When camping or going on a fishing trip the least of my worries is my antenna because I have seen what will work over the last 35 years and anything near a 1/4 vertical or 1/2 wave dipole high enough not to walk into will work DX on 11m. Not everything you hear but it will work a lot of it. I have worked a few operators from the UK, two near Blackpool, that operate bicycle mobile near the beach with an incredible signal and less than 100 watts output.

<blockquote data-quote="Captain Kilowatt" data-source="post: 365127" data-attributes="member: 39"><p>Yes Robb but opinions based on uninformed personal beliefs and opinions based on years of experience and knowledge are two completely different things. BJ&#039;s 40m antenna at 30 feet is equivalent to an 11m antenna at 7 or 8 feet above the ground in terms of wavelengths. Antenna performance and TOA would be very similar. I can&#039;t fathom how many people swear by this 36 feet thing or my favourite as they call it &quot;into the first wavelength&quot;. Saying that &quot;You may get some at 20 feet&quot; is a bit misleading IMO. You will get plenty of DX at 20 feet. I have gotten plenty of DX with a ground mounted antenna six INCHES above the ground. I am not in any way disputing the fact that a higher antenna is a better performer than a lower one but for a temporary antenna at a camp or field day operation throw up whatever you can and worry more about how long your battery will last than what the TOA or antenna height is.&nbsp; I operate &quot;campground mobile&quot; every year and just throw a wire up into a nearby tree or over the tent even and have a ball on 20m and up. When 10/11m is open you WILL work DX regardless of what you have for an antenna.When camping or going on a fishing trip the least of my worries is my antenna because I have seen what will work over the last 35 years and anything near a 1/4 vertical or 1/2 wave dipole high enough not to walk into&nbsp; will work DX on 11m. Not everything you hear but it will work a lot of it. I have worked a few operators from the UK, two near Blackpool, that operate bicycle mobile near the beach with an incredible signal and less than 100 watts output.</p></blockquote><p></p>

[QUOTE="Captain Kilowatt, post: 365127, member: 39"] Yes Robb but opinions based on uninformed personal beliefs and opinions based on years of experience and knowledge are two completely different things. BJ's 40m antenna at 30 feet is equivalent to an 11m antenna at 7 or 8 feet above the ground in terms of wavelengths. Antenna performance and TOA would be very similar. I can't fathom how many people swear by this 36 feet thing or my favourite as they call it "into the first wavelength". Saying that "You may get some at 20 feet" is a bit misleading IMO. You will get plenty of DX at 20 feet. I have gotten plenty of DX with a ground mounted antenna six INCHES above the ground. I am not in any way disputing the fact that a higher antenna is a better performer than a lower one but for a temporary antenna at a camp or field day operation throw up whatever you can and worry more about how long your battery will last than what the TOA or antenna height is. I operate "campground mobile" every year and just throw a wire up into a nearby tree or over the tent even and have a ball on 20m and up. When 10/11m is open you WILL work DX regardless of what you have for an antenna.When camping or going on a fishing trip the least of my worries is my antenna because I have seen what will work over the last 35 years and anything near a 1/4 vertical or 1/2 wave dipole high enough not to walk into will work DX on 11m. Not everything you hear but it will work a lot of it. I have worked a few operators from the UK, two near Blackpool, that operate bicycle mobile near the beach with an incredible signal and less than 100 watts output. [/QUOTE]

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