Joe/Rich, IF PC-ALE good prove that it never transmits when the frequency is in use, would you have any other objections ? I'm just trying to make sure I understand your issues.
By the way, I have designed a "QRL" test for PC-ALE. I'll let you know the results when I have completed the test. Andy K3UK On 8/21/06, Joe Ivey <[EMAIL PROTECTED]> wrote: > > Rich, > > This is my thinking also. I do not think this kind of communications has a > place in the ham bands. > > Joe > W4JSI > > ----- Original Message ----- > From: KV9U > To: digitalradio@yahoogroups.com <digitalradio%40yahoogroups.com> > Sent: Monday, August 21, 2006 2:52 PM > Subject: Re: [digitalradio] Multiband Scanning ALE on HF and VHF > > My understanding is that your group promotes frequency hopping ALE. In > other words, it moves from one frequency to another. The frequency could > be in a given amateur radio band or hop to another band. > > The only other kind of frequency hopping I am familiar with is for a > particular spread spectrum technique but that would be a separate issue > since as far as I know, FHSS is not used in this application although it > may use some kind of SS technique. > > You also use the term band scanning, but I question if that is the > correct terminology since you are scanning a specific frequency within a > given band and then typically moving to another band to scan another > frequency. Band scanning to me means that you are scanning a range of > frequencies across a given band. > > In any event, how do you propose to properly address the issue of > listening on the frequency before transmitting? A fraction of one second > does not seem reasonable to me, and even several seconds would be > inadequate in most situations. It is not uncommon to listen a minute (or > even more) and call QRL? or ask if the frequency is in use on voice and > have someone come back out of the blue! > > The amateur radio bands are not the same as discrete channels typically > used in commercial circuits since they are not owned by any individual > or group, nor are there assigned frequencies you can transmit on without > first listening. > > The impression you are giving me with your comments below is that since > there are so many hams using this mode, they are just going to do > whatever they want to do. > > I have heard ALE signals a number of times from casual tuning around. I > did not recognize what they were until about a year ago. If only a few > hams use it, then even if they use poor amateur practices, they may not > be too obnoxious. But if you get a lot of people using this mode for in > effect calling CQ blindly throughout band areas, I can see some concerns > developing. > > KV9U > > expeditionradio wrote: > > >--- In digitalradio@yahoogroups.com <digitalradio%40yahoogroups.com>, > KV9U <[EMAIL PROTECTED]> wrote: > > > > > >>The problem that I see is that multi band hopping ALE is > >>non compatible with amateur radio. > >> > >> > > > >Hi Rick, > > > >I don't know any hams who are using the frequency hopping > >type of ALE. Is is available in some mil radios. > > > >But multi-band scanning ALE is well-suited to both HF and VHF > >amateur radio, and has been ham-compatible for many years. > >Popularity will continue even more so in the future, as the > >installed base becomes larger, and embedded ALE transceivers > >become more ubiquitous. > > > >There are presently hundreds of hams worldwide with ALE stations. > >The majority are using PCALE, but there are also very many using > >embedded ALE transceivers and some using hardware controllers. > >I have a dedicated PCALE station, and a separate embedded ALE rig, > >the Icom IC-F7000. > > > >There are regular link ups for QSOs between old friends and new > >friends happening all the time. The ALE linking signals are such > >short duration, that unless you are actually running ALE you > >probably won't catch them. A long-winded CQ isn't needed :) > > > >Bonnie KQ6XA > > > > > > > > > > > > > >Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org > > > >Other areas of interest: > > > >The MixW Reflector : http://groups.yahoo.com/group/themixwgroup/ > >DigiPol: http://groups.yahoo.com/group/Digipol (band plan policy > discussion) > > > > > >Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > > > > [Non-text portions of this message have been removed] > > > -- Andy K3UK Fredonia, New York. Skype Me : callto://andyobrien73 Also available via Echolink [Non-text portions of this message have been removed] Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org Other areas of interest: The MixW Reflector : http://groups.yahoo.com/group/themixwgroup/ DigiPol: http://groups.yahoo.com/group/Digipol (band plan policy discussion) Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/digitalradio/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
