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Try Build Your Own Intelligent Amateur Radio Transceiver by Randy Lee
Henderson Buy the Book Today! URL: http://www.amazon.com/exec/obidos/AS...andd/104-52237 91-3894306 "ScottnDess" wrote in message ... hello all im new to the amautre world and i was thinking of makeing my own first radio..i have some old books about how they did it way back in the day..but am flabergasted about todays techniques.i have taken some electronics classes in college..if anyone is able to help or would have any advise i would be gratly apprecitive. i live in northwest georgia..if anyone is from this area that could show me how,that would also be great.. Thanks Scott. |
Try Build Your Own Intelligent Amateur Radio Transceiver by Randy Lee
Henderson Buy the Book Today! URL: http://www.amazon.com/exec/obidos/AS...andd/104-52237 91-3894306 "ScottnDess" wrote in message ... hello all im new to the amautre world and i was thinking of makeing my own first radio..i have some old books about how they did it way back in the day..but am flabergasted about todays techniques.i have taken some electronics classes in college..if anyone is able to help or would have any advise i would be gratly apprecitive. i live in northwest georgia..if anyone is from this area that could show me how,that would also be great.. Thanks Scott. |
"ScottnDess" wrote in message ... hello all im new to the amautre world and i was thinking of makeing my own first radio..i have some old books about how they did it way back in the day..but am flabergasted about todays techniques.i have taken some electronics classes in college..if anyone is able to help or would have any advise i would be gratly apprecitive. i live in northwest georgia..if anyone is from this area that could show me how,that would also be great.. Thanks Scott. What college teaches the spelling of the word "amature"? On second thought, don't bother. |
"ScottnDess" wrote in message ... hello all im new to the amautre world and i was thinking of makeing my own first radio..i have some old books about how they did it way back in the day..but am flabergasted about todays techniques.i have taken some electronics classes in college..if anyone is able to help or would have any advise i would be gratly apprecitive. i live in northwest georgia..if anyone is from this area that could show me how,that would also be great.. Thanks Scott. What college teaches the spelling of the word "amature"? On second thought, don't bother. |
NE602s are indeed simple, but a poor choice for a direct conversion
receiver. It's really important for a DC receiver mixer to retain good linearity and balance with large signals. Otherwise, strong AM signals will be demodulated and their audio will appear in the background (or foreground!). Doubly balanced mixers like the SBL-1 or one you can easily make from a couple of ferrite cores and 4 silicon or hot carrier diodes are much less sensitive to this problem than an NE602. In some circles, DC receivers have a bad reputation, and one reason is that people aren't aware of this problem so use inappropriate components. The problem is particularly acute on 40 meter, which it's difficult or impossible to filter out strong AM broadcast stations before they get to the mixer. Roy Lewallen, W7EL John R. Strohm wrote: "Joshua P Luben" wrote in message ... Get a CD-ROM from ARRL of the past few years QST articles. There are some pretty simple to build receivers and transmitters. Then get yourself an ARRL handbook, it will be your best reference for a long time to come. Since you're just begginning, start simple. Work on direct conversion receivers using SBL-1 mixers and LM386 audio op-amps. Keep them simple; once you get one working, tinker with it, add on to it. Most importantly, if it doesn't work--ask very specific questions. NE602 front-ends are even simpler than SBL-1 front ends. Contrary to popular belief in some circles, you can still get the NE602 in 8-pin DIP, new, from Philips: the new name, for an improved part, is SA612AN. (The N suffix means 8-pin DIP.) You can find most of the "Amidon" toroids on eBay: the key is to search for MicroMetals (the actual manufacturer). www.kitsandparts.com also sells the popular toroids in 25-count quantities, for CHEAP. Ocean State Electronics has a lot of useful stuff. www.oselectronics.com (I think). I'd add a copy of "W1FB's Design Notebook" to that CD-ROM and the ARRL Handbook. If you can find DeMaw & Hayward's "Solid State Design for the Radio Amateur", grab it. Check www.qrpbooks.com; they may still have a few copies. |
NE602s are indeed simple, but a poor choice for a direct conversion
receiver. It's really important for a DC receiver mixer to retain good linearity and balance with large signals. Otherwise, strong AM signals will be demodulated and their audio will appear in the background (or foreground!). Doubly balanced mixers like the SBL-1 or one you can easily make from a couple of ferrite cores and 4 silicon or hot carrier diodes are much less sensitive to this problem than an NE602. In some circles, DC receivers have a bad reputation, and one reason is that people aren't aware of this problem so use inappropriate components. The problem is particularly acute on 40 meter, which it's difficult or impossible to filter out strong AM broadcast stations before they get to the mixer. Roy Lewallen, W7EL John R. Strohm wrote: "Joshua P Luben" wrote in message ... Get a CD-ROM from ARRL of the past few years QST articles. There are some pretty simple to build receivers and transmitters. Then get yourself an ARRL handbook, it will be your best reference for a long time to come. Since you're just begginning, start simple. Work on direct conversion receivers using SBL-1 mixers and LM386 audio op-amps. Keep them simple; once you get one working, tinker with it, add on to it. Most importantly, if it doesn't work--ask very specific questions. NE602 front-ends are even simpler than SBL-1 front ends. Contrary to popular belief in some circles, you can still get the NE602 in 8-pin DIP, new, from Philips: the new name, for an improved part, is SA612AN. (The N suffix means 8-pin DIP.) You can find most of the "Amidon" toroids on eBay: the key is to search for MicroMetals (the actual manufacturer). www.kitsandparts.com also sells the popular toroids in 25-count quantities, for CHEAP. Ocean State Electronics has a lot of useful stuff. www.oselectronics.com (I think). I'd add a copy of "W1FB's Design Notebook" to that CD-ROM and the ARRL Handbook. If you can find DeMaw & Hayward's "Solid State Design for the Radio Amateur", grab it. Check www.qrpbooks.com; they may still have a few copies. |
One of the worst mistakes most beginner amateurs make is to aim for "small".
That takes skills you don't have. Trying to cram everything into a small package will get you couplings you don't want and will result in all sorts of problems. You should aim for "simple", but you already knew that. |
One of the worst mistakes most beginner amateurs make is to aim for "small".
That takes skills you don't have. Trying to cram everything into a small package will get you couplings you don't want and will result in all sorts of problems. You should aim for "simple", but you already knew that. |
NE602 front-ends are even simpler than SBL-1 front ends. Contrary to popular belief in some circles, you can still get the NE602 in 8-pin DIP, new, from Philips: the new name, for an improved part, is SA612AN. (The N suffix means 8-pin DIP.) I don't think it's exactly like that. The NE602 was manufactured by Signetics. Philips bought Signetics in 1975 from its previous parent company Corning Glass WOrks. In 1991 Philips Semiconductors became a separate company within the Philips group, and Signetics was integrated into Philips Semiconductors in 1993 to give greater product recognition in the US. From what I understand Signetics was aquired from Philips in 1995 by the Keo Pyung (KP) Group, and subsequently transferred to private ownership. Anyway, a few years ago legend has it that there was a fire at a Signetics semiconductor manufacture plant in Korea, destroying (amongst other things) the master die and several year's worth of NE602 stocks. This is what gave rise to the rumour amongst radio amateurs already hit by dicontinuation of other mixers, that the NE602 had been discontinued. In fact it hadn't, Philips continued production of the NE602 as part SA602. Philips also offered a less expensive but slightly inferior equivalent, the SA612. Later, a new manufacturing process was developed producing better performance and reliability, and at the same time minor changes were made to the SA602/612 circuit to improve performance. The new devices are part numbers SA602A and SA612A. The N suffix is for 8-pin DIP, D suffix for 8-Pin SO Surface Mount. So, both the SA602A and the SA612A are still in production by Philips, the 602 being slightly superior to the 612. Incidentally, despite the datasheet sating the internal oscillator can be used up to 200MHz, I am having a lot of success using it in a VCO covering range 140-300MHz. See some preliminary pictures of my spectrum analyser project http://www.hanssummers.com/electroni...ctrumanalyser/. Hans G0UPL |
NE602 front-ends are even simpler than SBL-1 front ends. Contrary to popular belief in some circles, you can still get the NE602 in 8-pin DIP, new, from Philips: the new name, for an improved part, is SA612AN. (The N suffix means 8-pin DIP.) I don't think it's exactly like that. The NE602 was manufactured by Signetics. Philips bought Signetics in 1975 from its previous parent company Corning Glass WOrks. In 1991 Philips Semiconductors became a separate company within the Philips group, and Signetics was integrated into Philips Semiconductors in 1993 to give greater product recognition in the US. From what I understand Signetics was aquired from Philips in 1995 by the Keo Pyung (KP) Group, and subsequently transferred to private ownership. Anyway, a few years ago legend has it that there was a fire at a Signetics semiconductor manufacture plant in Korea, destroying (amongst other things) the master die and several year's worth of NE602 stocks. This is what gave rise to the rumour amongst radio amateurs already hit by dicontinuation of other mixers, that the NE602 had been discontinued. In fact it hadn't, Philips continued production of the NE602 as part SA602. Philips also offered a less expensive but slightly inferior equivalent, the SA612. Later, a new manufacturing process was developed producing better performance and reliability, and at the same time minor changes were made to the SA602/612 circuit to improve performance. The new devices are part numbers SA602A and SA612A. The N suffix is for 8-pin DIP, D suffix for 8-Pin SO Surface Mount. So, both the SA602A and the SA612A are still in production by Philips, the 602 being slightly superior to the 612. Incidentally, despite the datasheet sating the internal oscillator can be used up to 200MHz, I am having a lot of success using it in a VCO covering range 140-300MHz. See some preliminary pictures of my spectrum analyser project http://www.hanssummers.com/electroni...ctrumanalyser/. Hans G0UPL |
W7TI wrote in
: Yes, Scott, it does matter how you type. The sooner you realize it, the better your life will become. If you submit a resume using your current skills, you will be spending a lot of time at the unemployment office. Believe it or not, I *am* applying the Golden Rule right now. I agree that how you present yourself in the written word means a great deal. But I too would be very interested in following this thread for the information he is seeking. If the replies are only for him, reply by email, if you have information the group can benefit from, myself in particular, please reply to the group. Troy, KC0EJO |
W7TI wrote in
: Yes, Scott, it does matter how you type. The sooner you realize it, the better your life will become. If you submit a resume using your current skills, you will be spending a lot of time at the unemployment office. Believe it or not, I *am* applying the Golden Rule right now. I agree that how you present yourself in the written word means a great deal. But I too would be very interested in following this thread for the information he is seeking. If the replies are only for him, reply by email, if you have information the group can benefit from, myself in particular, please reply to the group. Troy, KC0EJO |
I never thought of it in that sense. Sorry if i came off being harsh. I hope
your job hunting goes well, but yes i aim to make a "simple" radio as someone had stated earlier in this post. I have looked at the books and the CD's and i must thank you for the redirection. Thanks Once Again Scott. |
I never thought of it in that sense. Sorry if i came off being harsh. I hope
your job hunting goes well, but yes i aim to make a "simple" radio as someone had stated earlier in this post. I have looked at the books and the CD's and i must thank you for the redirection. Thanks Once Again Scott. |
I figured I'd geat a response like this. It's quite alright tho. Yes i went to college, does it matter much of how i type? Throwing flames is not how to help a pesrosn out. I wish some of you could understand that flamewars is how people get turned away from something that they might actually enjoy. If you cant say something nice,dont say anything at all. Remember the " Golden rule" , and I will remember it as well. ===================== I might want to help you with a problem in the future. However, if I can't uderstand you, it probably will not be possible. Jack W8RAG |
I figured I'd geat a response like this. It's quite alright tho. Yes i went to college, does it matter much of how i type? Throwing flames is not how to help a pesrosn out. I wish some of you could understand that flamewars is how people get turned away from something that they might actually enjoy. If you cant say something nice,dont say anything at all. Remember the " Golden rule" , and I will remember it as well. ===================== I might want to help you with a problem in the future. However, if I can't uderstand you, it probably will not be possible. Jack W8RAG |
I already said i was sorry. What else do you want me to do?
|
I already said i was sorry. What else do you want me to do?
|
Hans Summers wrote:
NE602 front-ends are even simpler than SBL-1 front ends. Contrary to popular belief in some circles, you can still get the NE602 in 8-pin DIP, new, from Philips: the new name, for an improved part, is SA612AN. (The N suffix means 8-pin DIP.) I don't think it's exactly like that. The NE602 was manufactured by Signetics. Philips bought Signetics in 1975 from its previous parent company Corning Glass WOrks. In 1991 Philips Semiconductors became a separate company within the Philips group, and Signetics was integrated into Philips Semiconductors in 1993 to give greater product recognition in the US. From what I understand Signetics was aquired from Philips in 1995 by the Keo Pyung (KP) Group, and subsequently transferred to private ownership. Anyway, a few years ago legend has it that there was a fire at a Signetics semiconductor manufacture plant in Korea, destroying (amongst other things) the master die and several year's worth of NE602 stocks. This is what gave rise to the rumour amongst radio amateurs already hit by dicontinuation of other mixers, that the NE602 had been discontinued. In fact it hadn't, Philips continued production of the NE602 as part SA602. Philips also offered a less expensive but slightly inferior equivalent, the SA612. Later, a new manufacturing process was developed producing better performance and reliability, and at the same time minor changes were made to the SA602/612 circuit to improve performance. The new devices are part numbers SA602A and SA612A. The N suffix is for 8-pin DIP, D suffix for 8-Pin SO Surface Mount. So, both the SA602A and the SA612A are still in production by Philips, the 602 being slightly superior to the 612. Incidentally, despite the datasheet sating the internal oscillator can be used up to 200MHz, I am having a lot of success using it in a VCO covering range 140-300MHz. See some preliminary pictures of my spectrum analyser project http://www.hanssummers.com/electroni...ctrumanalyser/. Hans, Looks interesting. Back in the early '90s I built a similar project, described in Electronics Australia magazine some time in 1992. It used a TV tuner as the front end and an NE602 as the converter, and displays the signal on any old CRO. Strangely, I only just got it out of hiding a few days ago and fixed a fault with one of the rotary switches. It hasn't been used in many years but I recently gave away my AM/FM tuner, and I remembered that this Spectrum Analyzer has the neat ability to tune in and play FM radio, which is why I bothered to get it going again. It covers the ranges 88-108MHz, 138-225MHz and 470-870MHz which as you can see is discontinuous. This is because of the tuner, but nowadays you can get tuners that don't have gaps in their coverage. Electronics Australia no longer exists, sadly; it closed in 2001 after an illustrious 80 years or so, having begun as "Radio & Hobbies" in the '20s. However, reprints of almost all articles are available from http://www.siliconchip.com.au for about AU$10.00 Rob |
Hans Summers wrote:
NE602 front-ends are even simpler than SBL-1 front ends. Contrary to popular belief in some circles, you can still get the NE602 in 8-pin DIP, new, from Philips: the new name, for an improved part, is SA612AN. (The N suffix means 8-pin DIP.) I don't think it's exactly like that. The NE602 was manufactured by Signetics. Philips bought Signetics in 1975 from its previous parent company Corning Glass WOrks. In 1991 Philips Semiconductors became a separate company within the Philips group, and Signetics was integrated into Philips Semiconductors in 1993 to give greater product recognition in the US. From what I understand Signetics was aquired from Philips in 1995 by the Keo Pyung (KP) Group, and subsequently transferred to private ownership. Anyway, a few years ago legend has it that there was a fire at a Signetics semiconductor manufacture plant in Korea, destroying (amongst other things) the master die and several year's worth of NE602 stocks. This is what gave rise to the rumour amongst radio amateurs already hit by dicontinuation of other mixers, that the NE602 had been discontinued. In fact it hadn't, Philips continued production of the NE602 as part SA602. Philips also offered a less expensive but slightly inferior equivalent, the SA612. Later, a new manufacturing process was developed producing better performance and reliability, and at the same time minor changes were made to the SA602/612 circuit to improve performance. The new devices are part numbers SA602A and SA612A. The N suffix is for 8-pin DIP, D suffix for 8-Pin SO Surface Mount. So, both the SA602A and the SA612A are still in production by Philips, the 602 being slightly superior to the 612. Incidentally, despite the datasheet sating the internal oscillator can be used up to 200MHz, I am having a lot of success using it in a VCO covering range 140-300MHz. See some preliminary pictures of my spectrum analyser project http://www.hanssummers.com/electroni...ctrumanalyser/. Hans, Looks interesting. Back in the early '90s I built a similar project, described in Electronics Australia magazine some time in 1992. It used a TV tuner as the front end and an NE602 as the converter, and displays the signal on any old CRO. Strangely, I only just got it out of hiding a few days ago and fixed a fault with one of the rotary switches. It hasn't been used in many years but I recently gave away my AM/FM tuner, and I remembered that this Spectrum Analyzer has the neat ability to tune in and play FM radio, which is why I bothered to get it going again. It covers the ranges 88-108MHz, 138-225MHz and 470-870MHz which as you can see is discontinuous. This is because of the tuner, but nowadays you can get tuners that don't have gaps in their coverage. Electronics Australia no longer exists, sadly; it closed in 2001 after an illustrious 80 years or so, having begun as "Radio & Hobbies" in the '20s. However, reprints of almost all articles are available from http://www.siliconchip.com.au for about AU$10.00 Rob |
"W7TI" wrote in message ... On 22 Jul 2003 00:10:59 GMT, (ScottnDess) wrote: I already said i was sorry. What else do you want me to do? __________________________________________________ _______ You just don't get it do you? Nobody wants your apology. I/we want you to learn proper English. The rules of English exist for a reason - to facilitate communication. I'm probably wasting my time with this, but it annoys me no end to see someone who has some potential throw it away with such rotten grammar. Enough said, I'm through. Do it or not, your choice. -- Bill, W7TI Did I miss something here? I thought this was the 'rec.radio.amateur.homebrew' newsgroup, and not the 'rec.strictly.correct.grammar&spelling' group. Are we really so damn petty that we must carry on like spoilt little brats just because his spelling or grammar is not perfect? Is that what our hobby is all about? No wonder amateur radio is dying out. Get a damn life! Yes, OK, his spelling and grammar was annoying, but so is more than half of the people who post to newsgroups. I don't recall absolutely correct spelling & grammar being a mandatory requirement for entry to internet newsgroups, or amateur radio for that matter. And what the hell has his resume got to do with a posting in a newsgroup? I wasn't aware that he WAS applying for a job here! Grow up, please, and get a life outside your office of divine intervention! 73's and very best wishes Martin, VK2UMJ PS - I sincerely hope my spelling and grammar met the high standards of this newsgroup............ or, should that be: i sinserley hope me speling and gramar are good enuf for ya news group, mate.... |
"W7TI" wrote in message ... On 22 Jul 2003 00:10:59 GMT, (ScottnDess) wrote: I already said i was sorry. What else do you want me to do? __________________________________________________ _______ You just don't get it do you? Nobody wants your apology. I/we want you to learn proper English. The rules of English exist for a reason - to facilitate communication. I'm probably wasting my time with this, but it annoys me no end to see someone who has some potential throw it away with such rotten grammar. Enough said, I'm through. Do it or not, your choice. -- Bill, W7TI Did I miss something here? I thought this was the 'rec.radio.amateur.homebrew' newsgroup, and not the 'rec.strictly.correct.grammar&spelling' group. Are we really so damn petty that we must carry on like spoilt little brats just because his spelling or grammar is not perfect? Is that what our hobby is all about? No wonder amateur radio is dying out. Get a damn life! Yes, OK, his spelling and grammar was annoying, but so is more than half of the people who post to newsgroups. I don't recall absolutely correct spelling & grammar being a mandatory requirement for entry to internet newsgroups, or amateur radio for that matter. And what the hell has his resume got to do with a posting in a newsgroup? I wasn't aware that he WAS applying for a job here! Grow up, please, and get a life outside your office of divine intervention! 73's and very best wishes Martin, VK2UMJ PS - I sincerely hope my spelling and grammar met the high standards of this newsgroup............ or, should that be: i sinserley hope me speling and gramar are good enuf for ya news group, mate.... |
The Kit Radio Company Invites you to visit our web site http://hometown.aol.co.uk/kitradioco/uk.htm Thank you!! Scott |
The Kit Radio Company Invites you to visit our web site http://hometown.aol.co.uk/kitradioco/uk.htm Thank you!! Scott |
John S. MacKay wrote:
What college teaches the spelling of the word "amature"? On second thought, don't bother. Not college, it's that hobbiest place. You know, the one that's hobbier than all the others. -- All relevant people are pertinent. All rude people are impertinent. Therefore, no rude people are relevant. -- Solomon W. Golomb |
John S. MacKay wrote:
What college teaches the spelling of the word "amature"? On second thought, don't bother. Not college, it's that hobbiest place. You know, the one that's hobbier than all the others. -- All relevant people are pertinent. All rude people are impertinent. Therefore, no rude people are relevant. -- Solomon W. Golomb |
I find it remarkable that, in a hobby that requires a multitude of non-
English expressions and anachronisms, we have an old timer who's faulting someone's use of the Queens English! Presumably, W7TI also refuses QSO's with anyone who is unable to speak fluent, clear English. Even in my humble experience, I can see that such an approach to our hobby is inappropriate and one must surely feel sorry for W7TI and the small world he has limited himself to. Bill; you have my sympathy and thoughts. Scott, on behalf of all amature radio operators who uphold the tradition of making contact with a fellow enthusiast despite the QRM around them, I wish you all the best. I, to, am in the process of selecting a suitable HF design and I'll follow this thread with interest. For what it's worth, here's my observations of starting out at homebrewing - and I'll bet this starts a run of mail as well!: 1. Select a kit if your confidence or experience is minimal. Some kit manufacturers even offer a 'get-you-running' service to iron out those little bugs that creep in. 2. Ensure you can beg / borrow suitable test kit. You'll probably need a multimeter or two, a resonable power supply (ideally, a current-limiting one), an RF probe (do a Google search; they're easy & cheap to make), dummy loaad (again, Google) and an oscilloscope. There's nothing worse than having a circuit board on the desk & no means of knowing if it's okay to proceed with the next bit! Other items might well include: RF Watt meter, Frequency counter, RF Generator.... the list can go on! Make friends with locals. 3. Accept that this project will take about three times more time than you planned for. On reflection, that might just be me: I'm not that skilled! Re. the earlier post about 'by small you mean simple'. I couldn't agree more! Personally, I'd avoid building the all-singing, all dancing radio some of the books advocate unless you or one of the locals you're now very friendly with has experience of debugging such a beast. For me, half the fun is building, so I'm already poking about for a suitable something for when the current VHF SSB set is finished! Good luck & I hope you find a suitable diagram / kit / idea to work on. I look forward to hearing you on the air with it - there's nothing better than that first QSO with a homebrew! Regards, Dave Anyone who wants to comment on the essential tools for beginners, would you mind starting a new post please? It will help keep this one on-topic. Thanks & see you all on-air. ============================================= __________________________________________________ _______ "not perfect"? Understatement of the day. Like they say, Martin, you're either part of the solution or part of the problem. Apologists like you who accept and tolerate lousy grammar and spelling help perpetuate the problem. Like I said, the rules of English exist for a reason. Learn them and do it right. I don't care about the occasional typo - I make 'em too - but when a message is so laden with errors it becomes hard to merely read it.... |
I find it remarkable that, in a hobby that requires a multitude of non-
English expressions and anachronisms, we have an old timer who's faulting someone's use of the Queens English! Presumably, W7TI also refuses QSO's with anyone who is unable to speak fluent, clear English. Even in my humble experience, I can see that such an approach to our hobby is inappropriate and one must surely feel sorry for W7TI and the small world he has limited himself to. Bill; you have my sympathy and thoughts. Scott, on behalf of all amature radio operators who uphold the tradition of making contact with a fellow enthusiast despite the QRM around them, I wish you all the best. I, to, am in the process of selecting a suitable HF design and I'll follow this thread with interest. For what it's worth, here's my observations of starting out at homebrewing - and I'll bet this starts a run of mail as well!: 1. Select a kit if your confidence or experience is minimal. Some kit manufacturers even offer a 'get-you-running' service to iron out those little bugs that creep in. 2. Ensure you can beg / borrow suitable test kit. You'll probably need a multimeter or two, a resonable power supply (ideally, a current-limiting one), an RF probe (do a Google search; they're easy & cheap to make), dummy loaad (again, Google) and an oscilloscope. There's nothing worse than having a circuit board on the desk & no means of knowing if it's okay to proceed with the next bit! Other items might well include: RF Watt meter, Frequency counter, RF Generator.... the list can go on! Make friends with locals. 3. Accept that this project will take about three times more time than you planned for. On reflection, that might just be me: I'm not that skilled! Re. the earlier post about 'by small you mean simple'. I couldn't agree more! Personally, I'd avoid building the all-singing, all dancing radio some of the books advocate unless you or one of the locals you're now very friendly with has experience of debugging such a beast. For me, half the fun is building, so I'm already poking about for a suitable something for when the current VHF SSB set is finished! Good luck & I hope you find a suitable diagram / kit / idea to work on. I look forward to hearing you on the air with it - there's nothing better than that first QSO with a homebrew! Regards, Dave Anyone who wants to comment on the essential tools for beginners, would you mind starting a new post please? It will help keep this one on-topic. Thanks & see you all on-air. ============================================= __________________________________________________ _______ "not perfect"? Understatement of the day. Like they say, Martin, you're either part of the solution or part of the problem. Apologists like you who accept and tolerate lousy grammar and spelling help perpetuate the problem. Like I said, the rules of English exist for a reason. Learn them and do it right. I don't care about the occasional typo - I make 'em too - but when a message is so laden with errors it becomes hard to merely read it.... |
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