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  • N4CQD's Avatar
    Yesterday, 20:26
    N4CQD replied to a thread Base Radios Icom 746 Pro problem? Please help... in Icom
    Did a Reset on the transceiver, still no Tx.
    2 replies | 77 view(s)
  • N4CQD's Avatar
    Yesterday, 20:24
    N4CQD started a thread Base Radios Icom 745 - No reception on CW Mode in Icom
    I have an old Icom 745 as a backup rig. Using it today on 20 Meters, FB on SSB, however, when I go to CW frequencies, there is NO reception with transceiver set to CW Mode. I confirmed on another transceiver, that there are CW stations working in the 20 Meter CW portion of the band. Any suggestions? TIA Doug N4CQD
    0 replies | 20 view(s)
  • Mobius1's Avatar
    Yesterday, 17:06
    Thanks for the links! I can't wait to get a radio and compare the predicted results with real world results. I've been doing a lot of reading on 2 meter antennas, and if there's one thing I've learned, height is king, and what is "best" is highly subjective. At the moment I am focusing more on my base antenna, since that's what I need to get built before winter (Or at least I hope to.). At this point, I've decided that mounting from my second story is probably the better choice, based on what I feel comfortable doing at this time. With a mast, I could get some pretty significant height. From what I understand (and please correct me if I am wrong!), for my simplex situation, gain is really going to make a difference. If I understand correctly, J Pole antennas have 0 gain, and dipoles just a little bit of gain? I see a lot of recommendations on the web for Collinear antennas (The Ringo Ranger seems to come up a lot.), which seem to have great gain. But I also was wondering if an IsoPole antenna could be...
    6 replies | 205 view(s)
  • vu2nan's Avatar
    Yesterday, 15:25
    vu2nan replied to a thread Tuning 40Mtr antenna in Antennas
    Hi OM Camerart, Measure actual length on one side (assuming both sides are equal!) = L Length to be trimmed on each side = L x It would be wise to follow Obed's advice - 'a little bit at a time'! Repeat the process till you get the lowest SWR at 7.1 MHz.
    2 replies | 106 view(s)
  • Obed's Avatar
    Yesterday, 11:03
    Obed replied to a thread Tuning 40Mtr antenna in Antennas
    a little bit at a time.
    2 replies | 106 view(s)
  • camerart's Avatar
    Yesterday, 10:50
    camerart started a thread Tuning 40Mtr antenna in Antennas
    Hi, My 40 MTR dipole antenna, tunes to a low SWR at 6.66MHz. How much should I shorten each end to tune to 7.1MHz please? Camerart
    2 replies | 106 view(s)
  • WZ7U's Avatar
    Yesterday, 05:00
    WZ7U replied to a thread Base Radios Icom 746 Pro problem? Please help... in Icom
    Hard reset? https://www.qsl.net/iz8dmz/SITO/DMZ/Cpureset.htm https://www.youtube.com/watch?v=6N6vI3fG8zI
    2 replies | 77 view(s)
  • WZ7U's Avatar
    Yesterday, 04:56
    WZ7U replied to a thread Mobile Radios Alinco DR 635 lost output powre in Alinco
    Hopefully there isn't an antenna/feed line issue causing this. If so, it could take out the replacement as well.
    2 replies | 1145 view(s)
  • WZ7U's Avatar
    Yesterday, 04:52
    Investigate this predictor. Helpful info. Input your location and you're off. https://www.heywhatsthat.com/ Plus, look over this extensive site about mobile radio. You'll be glad you did. https://k0bg.com/
    6 replies | 205 view(s)
  • mm3xia's Avatar
    Yesterday, 03:59
    wspr appears on most bands ?
    2 replies | 165 view(s)
  • mm3xia's Avatar
    Yesterday, 01:02
    https://www.youtube.com/watch?v=YJ2EoM2t6Uw
    3 replies | 1106 view(s)
  • Mobius1's Avatar
    Yesterday, 00:08
    That sounds great! I tried to find something like that, but maybe I'm searching using the wrong keywords. Could you recommend a site?
    6 replies | 205 view(s)
  • paulears's Avatar
    Wed 17th Oct 2018, 17:21
    paulears replied to a thread Mobile Radios Unique circumstances??? in Amateur Radios
    Here, and I believe in the US, genuine emergency calls can be made on any system available to you. For instance, in a distress scenario you could grab a marine radio and call the coastguard. Yours won't really be genuine emergencies though, will it? It will be important or urgent stuff - if somebody breaks down or they lose their keys, that's not going to cut it with the authorities. Practically - if you choose an out of the way frequency, and use it rarely, I doubt anybody would even notice - illegal of course. This seems an ideal use for network radio - you could call in an emergency on any of the public groups and somebody would relay your emergency even if they were in a remote part of the world. Legal, and more effective. Let's face it - if you are outside an area covered by cell towers, you're unlikely to find any radio network that works any better. If there are people, there are cells. Ham radio or commercial radio can give coverage but somebody would have to fund it? If you run out of cellular...
    9 replies | 215 view(s)
  • paulears's Avatar
    Wed 17th Oct 2018, 17:13
    Topography is the key here. There are quite a few predictors on the net, where you enter your houses coordinates and the height of the antenna and it predicts the coverage either as a graphic display or as location to location - you'd enter your home and the place you fish, and it tells you if there is a path or not. Once you check how the RF will fly, you can move onto the kit. Where I am it's quite flat, but the nearby town 10 miles away is below the RF horizon, as there's a slight hum between here and there. In the other direction 30 miles is possible, but only 6 miles North.
    6 replies | 205 view(s)
  • Rich A's Avatar
    Wed 17th Oct 2018, 15:51
    Thanks for the info. I am running a few solid state amps for a 160m thru 70cm QRP station. So I've got a mix of HF, and VHF / UHF 100 watt amps. Don't think I would ever be running more than one amp at any given time. I think the 50 Amp supply I have will do fine and I'll take your advice about using the three sets of output terminals to one fuse block and then run that to the pwr distribution panel. I was concerned about how much each single output terminal could handle and I guess if you are running 10 ga. wire in your setup I should be able to do the same. BTW, I currently have a 100 watt solid state HF linear for 160 - 10, and also some separate 100 watt amps for 50, 144 and 430. Thinking about upgrading to an HF amp in the 100 or higher range that will do 160 thru 6. I'm curious about what your 500 watt amp is .. Thanks .. Rich WA1TRY
    3 replies | 186 view(s)
  • Mobius1's Avatar
    Wed 17th Oct 2018, 13:35
    You're right, I had gotten things mixed up! I had taken the 20 WPM exam just to try it, but failed miserably. Then I failed the General class after that (By 1 question!). I was happy to come away with my tech plus though, because that's what I had been after anyways! As for an antenna for the house, I had made a J-pole antenna out of copper pipe in the past, so I could always do that again. But I've also wondered about making a dipole antenna. Does anyone have a link to good information on antennas (specifically for 2 meters)? As for VHF versus UHF, I had assumed that VHF would be the better option, but could it be possible that UHF would perform better in forests/mountains? In regards to HT's, I wouldn't be using that for long range. I tend to wander off for the day when I'm out fishing, and my wife is a worrier. I'd usually be using it for <1 mile - 4 miles or so, which should be easy enough if I get an AiLunce HD1 like I was planning. For radios, I was eyeing a Retevis for that as well, to...
    6 replies | 205 view(s)
  • Obed's Avatar
    Wed 17th Oct 2018, 11:13
    ok, just a jab for fun, but the General class never had a 20 WPM requirement, that was the extra class...your memory (like mine is slipping on the numbers) General was 12 or 13 WPM, can't remember that was a long time ago. 20 miles simplex is doable, but the mountainous terrain may be an issue. The two story house is not an issue and neither is making your own antenna. Cost will depend on you, but at least go with two good mobile radios, I would not try an HT on either end for your use. Antennas, well on both ends it will pretty much be a vertical in the VHF/UHF area that you would most likely use. Lots of mfg's in the mobile arena, you can make your own vertical for the house.
    6 replies | 205 view(s)
  • R2D2's Avatar
    Tue 16th Oct 2018, 20:42
    There are no dumb questions, just dumb people!
    9 replies | 399 view(s)
  • R2D2's Avatar
    Tue 16th Oct 2018, 20:31
    R2D2 replied to a thread Mobile Radios Alinco DR 635 lost output powre in Alinco
    Needs a New Final Transistor - is a very common problem with that model.
    2 replies | 1145 view(s)
  • R2D2's Avatar
    Tue 16th Oct 2018, 20:30
    R2D2 replied to a thread Mobile Radios Unique circumstances??? in Amateur Radios
    In today's world where everyone wants everything free, cheap and easy, in the long run, the ones that actually wants to become a ham, gets a license and associates with other people that also wants to be an active ham, not just a person that got a license in case stuff happened and they needed a cheap / easy way to communicate with others. The answer is - how can we explain to others what it is that we do when we operate our amateur radio equipment! We need to break down to the most fundamental level to explain the difference between an emergency and a disaster. A disaster is what happens to someone else, while an emergency is something that happens to ME! Is what happens to me an actual emergency? Maybe to me, but not to others!
    9 replies | 215 view(s)
  • N4CQD's Avatar
    Tue 16th Oct 2018, 19:28
    N4CQD started a thread Base Radios Icom 746 Pro problem? Please help... in Icom
    My Icom 746 Pro has been working perfectly. Suddenly today, it will NOT transmit, on either CW or SSB. Until today both modes of transmission have been functioning without any problems. All connections are tight and secure, and I am not aware of any changes I have made to the buttons on the front panel of the transceiver. Can you suggest any solution for this issue?
    2 replies | 77 view(s)
  • Mobius1's Avatar
    Tue 16th Oct 2018, 18:42
    My wife and I have recently moved to a rural area of Montana, that is both mountainous and wooded. I work from home, but my wife does volunteer work that has her driving in all directions, often in the backwoods (with hills\mountains between us), but no more than a 20 mile radius away from home. Needless to say, she has no cell coverage most of the time, but we often have need to communicate, and I especially worry about her in the winter time, where icy conditions can easily leave her stranded. I'm very glad that we have this need, because it has given my wife incentive to get her license, and I'm excited to share this hobby with her. Now as for myself, I used to have a tech plus license, and passed the old General exam but failed on the 20 wpm code (I hadn't even planned to go for the General license at the time but figured I'd give it a shot!). Unfortunately, it's been 20 years since then, so I have a lot of studying to do, myself, since it has been so long, and I know I need to retake the test. I...
    6 replies | 205 view(s)
  • Davei's Avatar
    Tue 16th Oct 2018, 13:45
    Davei replied to a thread Mobile Radios Unique circumstances??? in Amateur Radios
    I have been talking to the HAM operator here in town and he has informed me of the repeaters we have in the area and with the same radio I have ordered and similar antenna he can reach a minimum of 70 miles in any direction and up to 120 to the north without any boosters on his radio. It appears that we do have the infrastructure here in the middle of nowhere for these frequencies. I do know they are line of sight radios but I also realize that lower frequencies "bend" a little more and do allow for little more wiggle room. Even if I have to get to a location where there is a line of site to a repeater, that is still a better chance than the cell phone to reaching out in an emergency situation. Loving the information guys. I'm studying some every morning and working towards the license. I'll get there. ;)
    9 replies | 215 view(s)
  • Obed's Avatar
    Tue 16th Oct 2018, 11:00
    i have 3 like that, I ran a fuse block behind them and ran 10 ga. wire from each terminal to the fuse. The wiring terminals are too small for anything larger than 10 ga. I ran two supplies in parallel to run a 500 watt solid state amp. I used that combo in my shop out back and it worked fine until the amp finally died.
    3 replies | 186 view(s)
  • vu2nan's Avatar
    Tue 16th Oct 2018, 04:44
    vu2nan replied to a thread Guy pole? in Antennas
    Hi OM Iain, OM Joe's mast application is not known! 73, Nandu.
    4 replies | 268 view(s)
  • Obed's Avatar
    Mon 15th Oct 2018, 14:34
    Obed replied to a thread Mobile Radios Unique circumstances??? in Amateur Radios
    well, considering the distances you are talking about, realistically the vhf/uhf radios you have and the antennas you have, are not going to cut it for you. These are line of sight type radios and most often used in conjunction with repeaters. if you have varied terrain with any mountains that can restrict distance even more, I would guess that the most distance you can get reliably will be 25 to 35 miles. That is likely better than what you have available to you now, but at the distances you spoke of they will be just about useless.
    9 replies | 215 view(s)
  • K7KBN's Avatar
    Mon 15th Oct 2018, 04:32
    K7KBN replied to a thread Mobile Radios Unique circumstances??? in Amateur Radios
    When you get your amateur radio license, you are authorized to transmit on various BANDS of frequencies (you don't get "assigned" one; that would be for other services). It would be up to you to determine what frequency on which band would work for you at what time of day and during what times of the year. You will learn the amateur radio bands that pertain to whichever class of license you hold. You will also learn which modes you can use on which bands (AM, FM, SSB, etc).
    9 replies | 215 view(s)
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