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Amateur "HAM" Radio Radio Amateurs, Morse Code, Transmitter Tubes, Vintage Equipment, Antennas

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HAM Radio, Radio Amateurs, Morse Code, etc.


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  #21  
Old 02-25-2019, 01:46:00 AM
Power Power is offline
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

Hey long time license holders.
Try the current tests Len posted in #14. Questions and material covered sure changed. (nothing about triodes, pentodes, rectifier tubes- in fact the questions I got had nothing about tubes at all)
I had to think for some, get paper and pencil for a few. Got the technician and general questions, did not quite pass the extra! (shhh)

Glad I took the tests when they focused on tubes. I would have to study some to pass extra today.
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  #22  
Old 02-25-2019, 01:51:07 AM
Birken Vogt Birken Vogt is online now
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

I have a Collins 30S-1 here in the house with me. I want to sell it. Somebody make me an offer.

I have been a ham since the early 90s. I provide services from time to time for the local sheriff, PD, fire agencies, commercial, etc. Mostly repeater site stuff and telephone line stuff.

I have a lot of antenna theories. I like strong, simple, stupid antennas. I have a single 1/2 wave Sinclair folded dipole 144-174 MHz about 40' up on the TV mast (10' above the TV antenna) and a cage/fan 5 band dipole in the trees for HF. Low band and UHF I have 1/4 wave antennas on the roof, seldom used.

Radios I have are commercial radios repurposed from work, HF radio is a TS-570D.

Somebody buy my amp.
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  #23  
Old 02-25-2019, 03:48:20 AM
ArodaPowerCo ArodaPowerCo is offline
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

KM4ALK here. Only been licensed a few years. All I've done with it so far is 2 meter repeaters. I've got a Yaesu FT-101ZD that I'm trying to get on the air with. No transmit antenna up yet. I've got a fence wire beverage running through the woods pointed at Europe that I listen on. It actually works a lot better than I though it would given how cheap I made it. You guys with access to cheap Heliax... Please let me borrow your golden horseshoe.

I've always loved and been fascinated with radios and antennas. Got to play with them a LOT in the Navy. Receive only if you catch my drift...
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  #24  
Old 02-25-2019, 08:05:48 AM
Wayne 440 Wayne 440 is online now
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

Quote:
Originally Posted by ArodaPowerCo View Post
...You guys with access to cheap Heliax... Please let me borrow your golden horseshoe...
Be at the right place at the right time, and used Heliax is available for scrap price. The next time you see a tower crew at work, ask and offer a little "beer money".
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  #25  
Old 02-25-2019, 10:36:09 AM
Zephyr7 Zephyr7 is online now
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

Quote:
Originally Posted by ArodaPowerCo View Post
You guys with access to cheap Heliax... Please let me borrow your golden horseshoe.
Like Wayne says, sometimes itís all about timing. If youíre patient, and youíre willing to arrange truck freight (which really isnít all that difficult), you can sometimes get good deals on partial reels on eBay. Nobody bids on the big stuff because theyíre afraid of freight. My two big reels on a pallet came to Detroit from Arizona (might have been Nevada, itís been a while), and only cost me maybe $250 to ship. You can buy LDF4-50A (ď1/2 heliaxĒ) for about $1 per foot almost all the time from surplus vendors, and thatís for new material.

The other option with heliax is to ask tower rigger companies. Pay them a little more than scrap value and theyíll be happy to sell you their takeouts. Most of the broadcast engineers at the TV and radio stations in your area are likely to
Be hams too, and they might be able to help you out.

If youíre ok with the very slightly increased complexity of connectorizing the cable, cableTV hardline (75 ohms) is a good option. Comcast has standardized on 5/8Ē and 7/8Ē cable, and if youíre friendly with their crews, you can often times get leftovers of a few hundred feet for cheap or free. This is great cable for long runs, and especially for HF stuff where you probably have to do some impedance matching anyway.

Bill
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Old 02-25-2019, 03:09:58 PM
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

Now where did I put that big Golden Screwdriver.....
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Old 02-25-2019, 03:35:42 PM
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

Looks like an SB-220 with the upgraded harbach power supply and metering board?

I repaired/rebuilt one of these for my dad years ago. I found some rectangular high voltage meter divider resistors to replace the old carbon composition resistors in the original power supply board (I didnít know about the harbach board at the time, and the resistors arenít expensive). Itís a nice little all-in-one amp. Kind of a pain to adjust the input matching network though.

Bill
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  #28  
Old 02-25-2019, 03:48:43 PM
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

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Looks like an SB-220 with the upgraded harbach power supply and metering board?Bill
Yes and yes. Anything with DANGER High Voltage is always good!
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  #29  
Old 02-25-2019, 04:41:38 PM
Zephyr7 Zephyr7 is online now
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

Looks like a kenwood TL-922?

Iíve heard of those, but Iíve never worked on one. I think it was know for being light on cooling?

I have plans to build a manual 3-500z amp. I got an awesome price on a 2400v control transformer (230v to 2400v, 2kva), which I think will make a nice place supply. The transformer has a really low winding resistance too (probably since itís onky a 115*C rise rating), so it should work pretty well with a cap input power supply. Puts out just about the right voltage too.

Bill
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  #30  
Old 03-04-2019, 02:28:07 AM
Pete Deets Pete Deets is offline
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

Just stumbled in. First off THANKS HARRY! N0GAF here. I got my Coded Tech at the first Quad Cities VE session in 1985. I was so excited I forgot that I needed to also write the Novice and the head VE Al Broendel N9OK called me the next day and came over to my work place and administered the test there. A couple of years and my next job later I cracked the 13WPM and wrote my Advanced the same day. A few more years and another job I wrote and passed the Extra but just missed my 20 WPM. With the timing of the test though a short while later the code requirement was lifted and I made the upgrade to Extra.

I've had or have:
3rd Class Radiotelephone with Broadcast Endorsement
2nd Class radiotelephone
1st Class Radiotelephone
General Radiotelephone
Coded Tech
Advanced
Extra
Lifetime ARRL
VE
SBE Technologist by license

I'm currently having fun with a Yaesu FT-101 ZD and Swan 350 into either a homebrew 40/80 dipole or G5RV 80m

REAL RADIOS GLOW IN THE DARK!!!..............PD

73 de N0GAF
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  #31  
Old 03-04-2019, 03:10:28 AM
dkamp dkamp is offline
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

Al... What a great guy... yeah, and you may remember John Hoenschell he's still kickin'...
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  #32  
Old 03-04-2019, 09:28:41 PM
Pete Deets Pete Deets is offline
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

Glad to hear John is still at it. If you know/knew those two then did you know Vern the Old Junk Dealer?
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  #33  
Old 03-06-2019, 01:35:55 PM
Zephyr7 Zephyr7 is online now
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

Itís been a while since I heard anyone using a Swan. Iíd looked at getting one of their rigs for 6m back in the early 90s but I ended up getting a little tentec transverter instead. 350w I think the swan put out, but they were famous for frequency drift.

I still have my first radio, an icom ic-271a. I havenít powered it up in years so Iím not sure if the memory module is still ok. I still have my old tentec transverter too although I donít use it anymore. I have an old icom ic-756 (the original with the purple display), but my main radio is my elecraft k3. I have their 500w amp and tuner too, but Iíve used mostly my homebrew matching networks so the tuner has had a very easy life.

Iím hoping to have some antennas up later this year. Iíve been off the air since I moved to my new place about 2.5 years ago. Iíll probably be back up on the lowbands first. I want to get on 6m too, but I really need a tower for that (Iím in the woods), so thatíll be a ways off.

Bill
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  #34  
Old 03-06-2019, 07:28:19 PM
Pete Deets Pete Deets is offline
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

A good friend has a Swan "Two-Drifty" (actually 250) he bought for 6m a long while ago but he hasn't used it much. The 350 I have is 80 - 10 and after the prerequisite half-hour warmup is quite stable. What's the fun of chasing down the bands if you're not actually chasing?..........PD
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  #35  
Old 03-06-2019, 11:29:57 PM
Wayne 440 Wayne 440 is online now
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

OK, so when/where will the inaugural SmokStak HF SSB net take place?
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  #36  
Old 03-07-2019, 10:25:06 AM
Zephyr7 Zephyr7 is online now
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

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OK, so when/where will the inaugural SmokStak HF SSB net take place?
Ooo, good idea! Seems at least a few of us here are lacking for antennas at the moment. Maybe down on 80 somewhere?

Bill
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  #37  
Old 03-07-2019, 12:41:31 PM
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Talking Re: HAM Radio, Radio Amateurs, Morse Code, etc.

Had a Swan 250 as well as the Two Meter Transverter that went with it... was my first SSB Radio in Two Meters....
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  #38  
Old 03-07-2019, 05:44:33 PM
Wayne 440 Wayne 440 is online now
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

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Ooo, good idea!...Maybe down on 80 somewhere?...
I think I can get an 80 meter antenna working.
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  #39  
Old 03-07-2019, 08:29:12 PM
Zephyr7 Zephyr7 is online now
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

I think most of us are in the eastern half of the US, so an 80m cloudwarmer like a low inverted V is all any of us should need. I have some tall pine trees and a compound bow so I could shoot something up easily enough. I have my center balun I made too.

Bill
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Old 06-12-2019, 06:26:46 PM
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Default Re: HAM Radio, Radio Amateurs, Morse Code, etc.

Did a lot of antenna experimenting on 160 and have determined that a dipole works best for me. Have an 800 amp but now run barefoot most of the time, talk down into lower Alabama, Michigan and west to Kansas. They guys in Jersey who run full legal all the time don't believe me when I tell them I'm running about 85 watts.
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