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#2
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In article ,
(Steve Robeson, K4CAP) writes: (Len Over 21) wrote in message ... In article , (Steve Robeson, K4CAP) writes: (Len Over 21) wrote in message ... In article , More than you. By a mile. You were nothing more than a radio mechanic. That's ALL the evidence you have ever provided this forum. YOU were NEVER a "military radio operator". NOT "mechanic," Diminutive Man. Fixed station operations and maintenance supervisor. But never a radio OPERATOR. Yes, I was. QSYing a transmitter and making sure it stays on frequency is OPERATING. Oh, Cool. You reached up and changed the channel. WRONG! Frequency synthesizers enabling channel-changing with ease did not appear until the 1960s. [the first of which were the stepped two-crystal-oscillator-bank mixed types for civil aviation] The exact-frequency synthesizers for fixed-point HF broadcast did not appear until about 1964. A QSY at any ACAN station of the 1950s would involve at least 3 persons, two at a transmitter site, one at a receiver site using a General Radio LF to HF precision frequency measuring instrument. At ADA, Control at Chuo Kogyo (just outside of Camp Drake) would issue the QSY order over the TTY order wire; both transmitters and frequency standards at Receivers were on that loop. Receivers "freq standards" would begin setting up for the new carrier frequency. At transmitters, one operator disable the appropriate exciter, then would go behind the many racks of exciters (O-5s at that time) and get a crystal from the heated crystal cabinet (6 foot high, glass doors), change the crystal in the exciter from the back. ADA did their own crystal finishing. Frequencies were all given code names, for nemonic convenience not secrecy...avoided accidental transposition of numbers. Korean circuit frequency names were all given beer brands...:-) The other person at transmitters (if only for a 1 KW Tx, the big PW-15s usually took two operators for safety) would key off the separate transmitter, reset the adjustments to a chart (prepared by maintenance specialists on the team), wait for the exciter man to finish with his task. When RF was getting to the Tx, the Tx man would tweak-tune the settings, paying close attention to neutralizing the final (BC-339s had push-pull triode 833s in PA) in addition to making sure the loading was good. By that time, freq standards was set up and their freq meter's audio would be fed into a reserved telephone circuit pair to transmitters. We could hear it on the speakers. The trick chief would ask Control for "fox test" on the TTY circuit ("The quick brown fox...etc." from one of three such automatic cam-driven generators at Carriers in Chuo Kogyo. Exciter man would zero beat on the Mark, engage keying and set the "spread" (shift) in a double heterodyne of comparing the 850 cycle tone from Stds with a transmitter tone generator fixed at 850 cycles. Once that was set (all around the console could hear it) the trick chief signalled over the order wire for Stds to check it. Frequency Standards would do their final measure and report the Mark and Space frequencies (if within tolerance) on the order wire TTY. If something was drifting or the measures were out of tolerance, Stds reported that, too, and we would have to tweak the exciter all over again. [accepted RTTY spread back then was 850 Hz] Maximum time to QSY for RF out at transmitters was under 2 minutes. Total QSY time, including the Stds measurement and reporting, was under 3 minutes. That included the large PW-15s (15 KW conservative output) that had two 3-foot long copper segmented shorting bars (with two long tightening screws) which "tapped" the huge final tank coil windings. The old pre-WW2 Western Electric SSB (12 KHz wide in the "commercial" sideband arrangement containing four 3 KHz voice bandwidth channels) was quite fussy and might take an extra minute or two, including extra time at Stds to confirm frequencies. The new Western Electric LD-T2 SSB was much better (one in 1953, four more arrived in 1955) in that 12 tuned circuits were all servo-motor controlled from a bank of 120 potentiometers inside that were preset to 10 "channels" or authorized carrier frequencies. The LD-T2 was QSYed by walking up to it, operating two key switches to disable output and modulation, pushing a "channel" selector button, then waiting until the indicator light showed auto- tuning was correct. Then the two key switches were returned to normal transmit and the RF current meter on the antenna lines checked. Took less than a minute to do that, took Stds a bit longer to confirm the correct carrier frequency (pilot carrier in mid-sideband). THAT took skill. It did for the SSB transmitters, including the LD-T2. Maintenance on the teams had to reset the preset pots if a new frequency was authorized. That required the same tuning-up was with a manual- control Tx. The difference between that and the RTTY transmitters was the requirement to check the audio quality for both level and distortion. The objective was MINIMUM DOWN TIME so as to keep the up-time for actual message transmissions maximum. A typical SSB radio circuit carried a voice order-wire channel, an overseas radiotelephone voice channel, and 8 to 12 TTY channels, all on the same transmitter. At least four of the RTTY radio circuits had time-multiplexed TTY to carry up to four TTY channels; outage on one of those circuits was multiplied four time. HF comms across Pacific would routinely do about 3 QSYs per 24 hour period. With at least 30 transmitters on-circuit 24/7 that meant at least 10 QSYs per shift. Ahhhhh...You changed the channel three times a day. WRONG. I wrote TEN times per shift...on the average. We would do at least 8 on a calm-ionosphere work shift but could do as many as 18 QSYs if the ionosphere was doing nonsense. At the old transmitter site on Tsukushima, commercial Japanese power was primary. That power was not consistent and any shift might have to do a full recheck after cutting over to standby generators (400 KWe minimum out of six motor-generator sets). That meant EVERYTHING that was on-circuit had to be checked, including poor Frequency Standards having to juggle their General Radio instrument controls for every single radio circuit and reporting it on the order-wire. The new site at Kashiwa (later renamed Camp Tomlinson) had 600 KWe 24/7 motor-generators and did not rely on Japanese electric power. Oooooooohhhhhhhh...NOW I am IMPRESSED! You should be, but then you've never been tasked with that sort of job. It's easy for you push-button black-box changers to make fun of manual control over nearly everything. ADA did have "VFO" control through a couple of Northern Electric tunable exciters, but nearly all the HF radios were crystal controlled, TTY through SSB. The microwave radio relay terminals (arriving late 1954) were all crystal controlled at 1.8 GHz (!). Predecessors to the uWave were TRC-1 VHF radio relay (FM, both Rx and Tx crystalled) and TRC-8 UHF radio relay (FM, Tx crystal, Rx manually tuned). Land forces HT radio, PRC-6, was crystal-controlled, no channel changing possible. The backpack PRC-8 through -10, was actually "VFO" on low VHF, manually tuned via a built-in crystal harmonic calibrator. Surprisingly, the "PRC-8 family" was stable as well as rugged, holding its locked manually-tuned frequency within spec. But never a radio OPERATOR. Yell-yell WRONGO again. See above. Uh huh...So impressive...Changed the channel on the presets. Only on the single WE LD-T2...but then I had to set up those presets from the beginning. :-) The other 35 transmitters (besides the 8 that were installed later, the new LD-T2 and the 40 KW Collins linear amplifiers, all preset pretuned) were MANUAL tuning 7-foot high transmitters. A single Collins 1 KW Autotune transmitter was there for about a half year, but used only for the FEC Commander's aircraft. That was "traded" (?) with the USAF for a couple Wilcox HF transmitters with the old brute-force AM power amps. The Wilcox Tx was interesting in that it had 3 separate HF boxes, selectable by a switch. While that might be taken as "channelization" those were fussy beasts and had to be constantly checked if up; ADA later sent the RF part back to the depot, keeping the big AM power amp and supply, marrying it with a 1 KW BC-339 CW transmitter now becoming a 1 KW AM radio circuit. That worked just fine and could also (like the lower power truck mounted HF field radio) carry simultaneous TTY via an FSK exciter. Except for the post-WW2 WE Tx, GE microwave terminals, and Northern Electric exciters, almost all of the equipment we used at ADA was made on contract during WW2. That includes the VHF and UHF radio relay equipment used when phone cables went down. The two ancient WE SSB transmitters were built prior to WW2. All tubes, nearly all manually operated. Try again, Sir Putzy. Rest of usual muck and mayhem deleted. You started off stupid and got worse (if that's possible) Tsk, tsk, tsk. I see that there's no possibily of your replying in a "civil discourse" manner. You continue to make fun of something you know absolutely nothing of and won't take the trouble to find out. Not good. NURSIE is SPOILED by modern, solid-state, frequency-synthesized tune to any frequency with crystal stability ham equipment...and fine military airborne equipment she never once had any responsibility for designing or proving. Tsk. |
#3
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(Len Over 21) wrote in message ...
In article , (Steve Robeson, K4CAP) writes: (Len Over 21) wrote in message ... In article , (Steve Robeson, K4CAP) writes: (Len Over 21) wrote in message ... In article , More than you. By a mile. You were nothing more than a radio mechanic. That's ALL the evidence you have ever provided this forum. YOU were NEVER a "military radio operator". NOT "mechanic," Diminutive Man. Fixed station operations and maintenance supervisor. But never a radio OPERATOR. Yes, I was. QSYing a transmitter and making sure it stays on frequency is OPERATING. Oh, Cool. You reached up and changed the channel. WRONG! He tink it like chanjin da channel on he CB. Not so simpel. |
#4
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Subject: Back at Ya, NURSIE
From: (William) Date: 8/26/2004 6:59 PM Central Standard Time Message-id: (Len Over 21) wrote in message ... You reached up and changed the channel. WRONG! Not "wrong", but you go right on ahead and tell us aaaaaaaaaaall about those big radios, Lennie...Take us back to those blamy Asian nights, Lennie, and tell us aaaaaaaaaaaaall about those radios and how THEY have ANYTHING to do with AMATEUR RADIO in the 21st Century. He tink it like chanjin da channel on he CB. Not so simpel. Nothing is as simple as you, Brain. Steve, K4YZ |
#5
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(Steve Robeson K4CAP) wrote in message ...
Subject: Back at Ya, NURSIE From: (William) Date: 8/26/2004 6:59 PM Central Standard Time Message-id: (Len Over 21) wrote in message ... You reached up and changed the channel. WRONG! Not "wrong", but you go right on ahead and tell us aaaaaaaaaaall about those big radios, Lennie...Take us back to those blamy Asian nights, Lennie, and tell us aaaaaaaaaaaaall about those radios and how THEY have ANYTHING to do with AMATEUR RADIO in the 21st Century. Len, I not know dey use bad radios in Army. Vewwy vewwy bad radios. Fisics vewwy vewwy different fo amateur radio. Army radio not apply at all to radio knowledge. Bad radios. He tink it like chanjin da channel on he CB. Not so simpel. Nothing is as simple as you, Brain. You pwobem very complex. Cannot solve youself. Muss get help. |
#6
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Subject: Back at Ya, NURSIE
From: (William) Date: 8/27/2004 6:00 AM Central Standard Time Message-id: Len, I not know dey use bad radios in Army. Vewwy vewwy bad radios. Fisics vewwy vewwy different fo amateur radio. Army radio not apply at all to radio knowledge. Bad radios. You pwobem very complex. Cannot solve youself. Muss get help. You have the guts to write like this then suggest that I need help...?!?! Like I said...You and Lennie are your own worst enemies. Steve, K4YZ |
#7
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(Steve Robeson K4CAP) wrote in message ...
Subject: Back at Ya, NURSIE From: (William) Date: 8/27/2004 6:00 AM Central Standard Time Message-id: Len, I not know dey use bad radios in Army. Vewwy vewwy bad radios. Fisics vewwy vewwy different fo amateur radio. Army radio not apply at all to radio knowledge. Bad radios. You pwobem very complex. Cannot solve youself. Muss get help. You have the guts to write like this then suggest that I need help...?!?! Like I said...You and Lennie are your own worst enemies. Steve, K4YZ Why little Yell Yell man no can stay on subjek? How dey Army radios not like amateur radios? Huh? Huh? How you change frequency in tube-type twansmitter? |
#8
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William wrote:
You pwobem very complex. Anyone else notice that "William" is starting to come off like Charlie Chan imitating Elmer Fudd? Dave K8MN |
#9
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![]() "Dave Heil" wrote Anyone else notice that "William" is starting to come off like Charlie Chan imitating Elmer Fudd? Actually, he's sounding more and more like N0IMD (which is pretty much the same thing). I'm surprised that he seems to identify with my fictional PTCA hero, Billy Beeper, to the point that he has hijacked that name for his rrap identity. Go figure! 73, de Hans, K0HB |
#10
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In article ,
(William) writes: (Len Over 21) wrote in message ... In article , (Steve Robeson, K4CAP) writes: (Len Over 21) wrote in message ... In article , (Steve Robeson, K4CAP) writes: (Len Over 21) wrote in message ... In article , More than you. By a mile. You were nothing more than a radio mechanic. That's ALL the evidence you have ever provided this forum. YOU were NEVER a "military radio operator". NOT "mechanic," Diminutive Man. Fixed station operations and maintenance supervisor. But never a radio OPERATOR. Yes, I was. QSYing a transmitter and making sure it stays on frequency is OPERATING. Oh, Cool. You reached up and changed the channel. WRONG! He tink it like chanjin da channel on he CB. Not so simpel. Poor NURSIE...never "peaked the grid and dipped the plate" like in the old days. NURSIE spoiled by modern synthesized ham rigs...just dial in the frequency on the display and that's that. No final to tweak from the front panel, could have an automatic antenna tuner to do antenna matching without any manual controls (except to turn on the auto- tuning). That's called "operating" by those lazy PCTA extras...? NURSIE doesn't want to hear it. He is upset, still angry, still hurting from long-past newsgroup "battles." Tsk, tsk. NURSIE is big CAP air ace, a Dr. Strangelove at hospital ER, both vital attributes in amateur radio. Now we have Quitebad and BVD as anonymous cretins lurking in the dark shadows. More good examples of modern U.S. amateur radio. Robust oberst got a new monocle, still sees things angrily, tries to shout down the NCTA...wants to "see papers" of newsgroup people. Oberst Heil not demand "papers" of BVD or Quitbad...or of Leo or you or any other name he can remember. :-) Rev. Jimmie is making like interviewing for Washington Post or U.S. News & World Report with long, lonnng, lonnnnnng posts on all things NOT amateur radio. Hope he gets new job...national politics, economy, etc., needs injection of morsemanship to bring back the good old days of the past. Coslo is hanging in there, trying to play both sides but keeps getting tossed in penalty box for sticking. He should get a copy of Dave Barry's new book, "Boogers Are My Beat" to learn about humor. NURSIE rehashes old anger in usual obsessive fashion, trying for one-upmanship but his ship never gets out of dry-dock. Poor NURSIE, still bent out of shape so far that a 10-ton hydraulic press can't get him straight. Modern American amateur radio on display in all its PCTA gory. Makes one want to get that ham license "more than anything else in the world?" On morse code, Jimmie once intoned (in an attempt at "with-it" humor), "Try it, you'll like it!" Hardly. MIghty macho morsemen these PCTA extras, all with the Double Standard banner of self-righteousness...and now beginning to hide in anonymity, their courage depleted. Tsk. |
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