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  • WZ7U's Avatar
    Today, 07:04
    WZ7U replied to a thread TS-480 Finals in Kenwood
    How do you know the watt meter is calibrated correctly? Is this an external meter or one built in? I ask because it seems that one antenna terminal is connected to the internal tuner & one isn't if I'm reading the manual correctly. Next thing that comes to mind is are you generating a single, solid tone or a series of dahs/dits? That might explain the discrepancy. Is the power turned down in a menu somewhere? 80 watts is too close to rated maximum for me to suspect bad finals. I'm more inclined to think peak vs rms meter readout or something as sublime as that. Can you transmit in RTTY and see what you get? Manual here - https://manual.kenwood.com/files/4fb9df09b7216.pdf
    1 replies | 36 view(s)
  • N4AAB's Avatar
    Yesterday, 17:14
    N4AAB replied to a thread The best prefix list. in Amateur Radios
    From the look of the link, they went from html to a php style web site. Also says on main page it is no longer being updated.
    27 replies | 24871 view(s)
  • N4AAB's Avatar
    Yesterday, 17:11
    So I wouldn't have to wait, I got my vanity call when I passed the General test. Many 1x3 calls available.
    8 replies | 479 view(s)
  • OH8GAD's Avatar
    Yesterday, 08:43
    My ICOM IC-735 has been working OK for several years, but I have hardly used it as I didn't have a decent power supply. Last week, I finally got one. I hooked up the radio and... nothing! A symptom of the fault seemed to that on power on, there is burst of regular noise from the speaker, but then it fades to nothing and the needle of the S-meter moves fully to the right. I pressed just about every button, clicked every switch and twiddled every knob, but to no avail. A couple of net searches later, I thought I had found there answer. An thread from some other forum indicated that the problem could IC8 (CD4021) in the PLL circuit had died. So, I replaced it. The problem is still there. While poking around a bit more, I slid the "RF GAIN" slider all the way and the needle returned to the left and the regular radio noise came back. Moving it up and down, the receiver goes dead and the needle moves.
    0 replies | 84 view(s)
  • OH8GAD's Avatar
    Yesterday, 06:40
    There's nothing new about vertical dipoles. Just few suggestions: The higher from the ground the better. Run the coax away from the feed point at 90 from the vertical for as long as practically possible or if you're using tubing, run the coax /through/ the lower element. Virtually every book about aerials for amateur radio will cover using dipoles vertically polarised.
    3 replies | 109 view(s)
  • OH8GAD's Avatar
    Yesterday, 06:35
    OH8GAD replied to a thread Upgrading a handheld in Amateur Radios
    I would say neither, until you know what you what from "upgrading". I mean, what can they do, that you need, that the Baofeng UV-5R cannot? If you need more range, then build a direction aerial. Seriously, a few watts and a good beam aerial go a looooong way! If you find just using FM is restrictive, but want to stick with 2 metres and 70 cm, then look for a radio with SSB. But to get the most from that, you will need a direction aerial too. If you want to use a digital mode, such as DSTAR for example, then you need to decide which mode you want (i.e., which is used most in your area) and ind a radio that supports that.
    2 replies | 136 view(s)
  • Redbicycle's Avatar
    Yesterday, 02:10
    IMHO I would stay away from both of them until CHIRP supports one or the other. Do either of them have software for programming or are you a program from the radio kind of person? Sent from my iPhone using Tapatalk
    2 replies | 136 view(s)
  • xdm's Avatar
    Yesterday, 01:38
    Okay, So I'm nearing a year with my Baofeng UV-5R V2+. I'm interested in upgrading to a new handheld pretty soon. I'm looking at the Retevis RT82 or the Yaesu FT-70DR. What do you guys recommend?
    2 replies | 136 view(s)
  • ka3pmw's Avatar
    Fri 19th Apr 2019, 22:11
    ka3pmw started a thread TS-480 Finals in Kenwood
    Does anyone know the number for the finals in a TS-480SAT and where I can get them? My rig only gets 80 watts out on CW with a watt meter and a dummy load connected and the rig tuned. I thought there was a way to bypass the tuner to test the finals, but I can not find one. Please help. 73's Dave
    1 replies | 36 view(s)
  • M0WAO's Avatar
    Fri 19th Apr 2019, 20:37
    like this?
    3 replies | 109 view(s)
  • WZ7U's Avatar
    Fri 19th Apr 2019, 09:20
    WZ7U replied to a thread Using a Dipole As An Upright in Antennas
    May I suggest you will have better luck if you add at least two (or three) more 1/4 wave counterpoise elements evenly spaced around center, horizontally at the base. Not that what you propose won't work, it's just that you will get a more omni directional pattern from your RF output. This is commonly known as a 1/4 wave ground plane vertical, which is what you are proposing here. You shouldn't need any sort of UNUN/BALUN for this to be efficient, however the impedance will be slightly less than 50Ω, probably around 35Ω or so. You can bring the impedance back to around 50Ω by tilting the ground plane elements downward between 30 and 45. At least that's been my experience with the 40 meter 1/4 wave ground plane I put up here in CN86jc using 12ga wire and a big bamboo sprig. Check out my zed page for a less than stellar view of what I did. https://www.qrz.com/db/WZ7U I really should put up a clearer picture some day... Try these resources -...
    3 replies | 109 view(s)
  • brandon lind's Avatar
    Fri 19th Apr 2019, 00:41
    I ordered up some FT114-61 ferrites from Amidon planning to make a 10m 9:1 unun. However, when I excitedly wound it and soldered on a 450ohm resistor to do a sweep with my rigexpert, I was very disappointed in the SWR curve. What I did: 2 stacked FT114-61 ferrites with 11 turns (trifilar) of 18AWG solid-core insulated wire. The SWR is at 2:1 at 28MHz, I expected better. What I assume (from reading online, I'm not this smart): is that the more turns I use, the lower the self resonance and thus the lower the common-mode impedance at higher frequencies. I assume the higher I go in frequency, the more it acts like a choke. What I would like to know: 1st, is what I assume correct? And 2nd, does anyone know the optimum number of turns for 10m given 2 stacked FT114-61 cores?
    0 replies | 84 view(s)
  • KD9KVS's Avatar
    Thu 18th Apr 2019, 20:13
    I had an idea to use my 10 meter dipole as an upright. If I put one leg up a tree, and the other out to the side as a ground plane, from my understanding I will have made a quarter wave upright. I am asking as much as stating. If anyone has done this please share your experience. Also making this adjustment, i should remain at 50 ohm resistance and have no need for an unun/unbal. any input on these thoughts are appreciated. KD9KVS I have a brain injury. I am not my brain injury. This does not define me. P.S. I appreciate all the input, for some reason my responses are not being approved. but they are coming once the button is clicked.
    3 replies | 109 view(s)
  • KD9KVS's Avatar
    Thu 18th Apr 2019, 16:26
    Thank you. even the link on their website is down to the original. not sure what happened. KD9KVS I have a brain injury. I am not my brain injury. this does not define me.
    27 replies | 24871 view(s)
  • OH8GAD's Avatar
    Thu 18th Apr 2019, 15:18
    Actual link is: http://ac6v.com/prefixes.php
    27 replies | 24871 view(s)
  • KD9KVS's Avatar
    Thu 18th Apr 2019, 14:26
    I found two pdf files. Sorry to be flooding the page. If anyone wants these, let me know and I will send them in the messenger.
    27 replies | 24871 view(s)
  • KD9KVS's Avatar
    Thu 18th Apr 2019, 14:20
    I am unable to find an email for him, but this, http://www.nfdxa.com/K4UTE/K4UTE.HTML , is a way to lookup a prefix. I will continue to attempt to get a pdf of the other list. God bless and good day. KD9KVS I have a brain injury. I am not my brain injury. This does not define me.
    27 replies | 24871 view(s)
  • Renegade's Avatar
    Thu 18th Apr 2019, 14:00
    I just got my ham license last year, and my first rig was a TH-F6a. I chose that radio because of its size and design, which I really liked. The problem is that all activity in my area is digital, and the F6 is analog. So after a year with a ham license, I still haven't contacted anyone. So I tried to get a digital rig, and my favorite was an FT1XD. I really don't like touch screens, so I didn't want an FT2. I'm more of a purist, and the FT1 is just my style. I wanted a new one, and I knew that the radio was discontinued and no longer available, so I thought I really lucked out when I saw that new ones were available from Japan. Not knowing about the band plan difference, I bought one. What a surprise when I found out the 'Error' I was getting on my club repeater's freq was because it was above 146. I learned about the mod for this rig, where you remove solder from the board in the hole in the back of the radio, so that's been done, and a reset has been done multiple times, but nothing has changed...
    0 replies | 56 view(s)
  • KD9KVS's Avatar
    Thu 18th Apr 2019, 13:53
    It is no longer up for some reason. I will write him to see if he has it in PDF format and is willing to share it. I am not able to post anything but links in the forums, but am sure I can send it to those who want it in private message. KD9KVS I have a brain injury. I am not my brain injury. this does not define me.
    27 replies | 24871 view(s)
  • KD9KVS's Avatar
    Thu 18th Apr 2019, 13:43
    Speaking of price gouging, I looked up the zastone zt-v8 I was gifted, they were 2 for <20usd now to find one at that price seems like a good deal. If I am remembering correctly, that was this past December they were at that price. Maybe I just happened upon a great deal. Just a thought.
    9 replies | 152 view(s)
  • AndyG0CCX's Avatar
    Thu 18th Apr 2019, 13:35
    Alas, not working here in the UK.... :(
    27 replies | 24871 view(s)
  • brandon lind's Avatar
    Wed 17th Apr 2019, 19:55
    All good points. I do like the features on my yaesu, but hardly agree that a bit more programming capability is worth an extra 300 bucks. Thing about software... once you have it, copy/paste is free (just not for the end consumer). I surely didn't intend to call anyone who purchases an expensive radio a "gullible American", but it cannot be denied that everything in our economy is overpriced. If a given person thinks the price is fair, then for that person, that's all that matters. Value is a matter of perspective, its an opinion, but 10% of people being happy paying well above cost shouldn't be motivation for price gouging.
    9 replies | 152 view(s)
  • KD9KVS's Avatar
    Wed 17th Apr 2019, 18:18
    Spectral analyzer review with good and bad readings... https://www.youtube.com/watch?v=fs8twTaO62Y Testing sensitivity... https://www.youtube.com/watch?v=-d2WSWgwuEU testing tx wattage... https://www.youtube.com/watch?v=6XaG-bkRcMw To me it seems they are continuing to improve the radios as they are becoming more popular and widely used. I imagine some of the older crystal radios, and even early Yaesu radios, had very similar problems. While it is set for different bands and tuning hf is wildly different than vhf (base to ht difference) the principal still stands. That is my two cents for the day. God Bless and good day.
    9 replies | 152 view(s)
  • Redbicycle's Avatar
    Wed 17th Apr 2019, 10:59
    I use both Baofeng and ICOM HTs and I think some of the cost difference are being overlooked. Yes the Chinese radios are cheaper and for tx/rx they may be equal in performance. They lack in features though. One big example in my use case is bank scanning. When I travel I program repeaters for locations I will be at and save them into different banks on the Icom. I can use each back to scan only the bank for that area and ignore other areas or my home bank. For the Baofeng I can only scan all memories. I need to either remove my home memories or increase the saved memories and scan multiple memories I know will not have anything in that location. This gets even harder when you have two repeaters in different areas using different tones. If you try to pick one you have to remember which memory is which tone. If you use frequency vs name.
    9 replies | 152 view(s)
  • K7KBN's Avatar
    Wed 17th Apr 2019, 04:25
    K7KBN replied to a thread electrical problem in Mobile Operating
    This is where someone suggests a known-good dummy load of proper power rating. Connected in place of the antenna it'll show you a lot of things.
    2 replies | 150 view(s)
  • Psi*'s Avatar
    Tue 16th Apr 2019, 21:40
    There are a few hard to find test reposrt on the Chinese radios. I can't find one now to help. Generally, the results show pretty lousy selectivity and ample sideband noise. A conclusion is ... so don't use a bunch in one place which in ham radio rarely happens anyway. I have a Baofeng(sp?) I bought on woot.com (I advise to not investigate) for a discount. THAT is an oxymoron but it was for less. The instant I clicked the mouse button to buy, I hated myself. Yet, while waiting for the radio to show up I ordered the absolute cheapest antenna for it that I could find on either ebay or amazon. Probably went with ebay and I am pretty sure it was ebay for <$1 shipped. At least I have that to brag about. The local guys gave me a Chirp code plug and suddenly I had everything. Of course they only "spoke" frequency for the nearest repeater & I only spoke "whats the nearest town" because I was new in the area. TO THE POINT of the thread, the larger el-cheapo antenna definitely improved coverage and it was...
    9 replies | 152 view(s)
  • KD9KVS's Avatar
    Tue 16th Apr 2019, 19:56
    KD9KVS replied to a thread BF-F8HP display in Chinese Radios
    Out of curiosity, Have you checked wide narrow with the radio booted to operate? If it works while the radio is on, but not in boot test, I would write the company and ask if you could get a partial refund. Either that or exchange them.
    1 replies | 597 view(s)
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