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- - Old Ham radios collection - Somewhat EMP Proof? (http://goldismoney.info/forums/showthread.php?t=131682)

R MacDonald | 04-28-2007 02:06 PM
Old Ham radios collection - Somewhat EMP Proof? Vecchi apparati radioamatoriali - Old Ham radios collection By IK3HIA Lucio Roetta http://www.roetta.it/ik3hia/images/british_flag.gif Best vision with display at 800 x 600 pixel - http://www.roetta.it/ik3hia/images/Italian_flag.gif Visione migliore con video 800 x 600 pixel. Click on the images to enlarge - Clicca sull'immagine per ingrandirla. <center> <table border="2" cellpadding="2" width="90%"> <tbody><tr> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati..._s38a_019_.jpg RX HF AM-CW - Hallicrafters mod. S-38A (U.S.A. 1946) </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...o/G-210TR_.JPG TX HF AM-CW - Geloso mod. G-210 TR (Italy 1956) </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...io/HW-101_.JPG RTX HF SSB-CW - Heathkit mod. HW-101 (U.S.A. 1971) </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...mbs/HA-14_.jpg RF Power Amplifier Heathkit mod. HA-14 (U.S.A. 1971) </td> </tr> <tr> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...o/SWAN350_.JPG RTX HF SSB-CW - Swan mod. 350 c (U.S.A. 1973) </td> <td align="center" width="25%">http://www.roetta.it/ik3hia/apparati...dio/FT277_.JPG RTX HF AM-SSB-CW Sommerkamp mod. FT-277 (Japan 1970) </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...io/BARLOW_.JPG RX Barlow Wadley mod. XCR 30 Mk2 - 0,5-30 MHz AM-SSB-CW (South Africa 1971) </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...acal_1217_.jpg RX Racal mod. RA1217 - 0,5-30 MHz AM-SSB-CW (England 1971) - This wonderful receiver uses the Barlow Wadley tuning system </td> </tr> <tr> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...nken_E863_.jpg RX Telefunken mod. E863kW/2 - 1.5-30 MHz AM-SSB-CW (W. Germany 1970) </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...ic-2f_003_.jpg RTX 144 MHz FM Icom mod. IC-2F deluxe (Japan 1970) </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...o/OSWR200_.JPG SWR meter Osker Block mod. SWR-200. Range 0 - 150 MHz (Japan 1970) </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...io/HANSEN_.JPG SWR meter Hansen mod. FS-5. Range 0 - 150 MHz (Japan 1972) </td> </tr> <tr> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...dio/FRG7A_.JPG RX Yaesu mod. FRG-7 - 0,5-30 Mhz AM-SSB-CW (Japan 1976) </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...io/ts-120_.jpg RTX SSB-CW Kenwood TS-120 V HF - 10 W out (Japan 1979) </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...o/ft-230r_.jpg RTX FM 144 MHz Yaesu mod. FT-230R (Japan 1980) </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...o/IC-202S_.JPG RTX SSB-CW 144 MHz Icom mod. IC-202S (Japan 1980) </td> </tr> <tr> <td align="center" width="25%"> http://www.roetta.it/ik3hia/images/Italian_flag.gif </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/apparati...dio/FT707_.JPG RTX SSB-CW-AM Yaesu mod. FT-707 (Japan 1980) </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/images/Italian_flag.gif </td> <td align="center" width="25%"> http://www.roetta.it/ik3hia/images/Italian_flag.gif </td> </tr> </tbody></table> </center> Return to: ik3hia home page 1 http://www.roetta.it/ik3hia/pages/oldhamradio.htm

blueice | 04-28-2007 02:12 PM
Re: Old Ham radios collection - Somewhat EMP Proof? CQ, CQ, CQ, as a former ham, I am glad someone is keeping the old gear alive. 73 :rose:

Tragedy Trousers | 04-28-2007 06:06 PM
Re: Old Ham radios collection - Somewhat EMP Proof? Sadly only a matter of time before the Ham frequencys are sold to the highest bidder.

ForeverInDebt | 04-28-2007 06:12 PM
Re: Old Ham radios collection - Somewhat EMP Proof? RMac if you are asking about EMP sensitivity, tube radios are FAR more resistant, as I understand it. However if the radios have any solid state components, they are vulnerable. The disadvantage of tube-based radios is that they use much more power, but it could be useful to have one or more on hand.

R MacDonald | 04-28-2007 06:32 PM
Re: Old Ham radios collection - Somewhat EMP Proof? Quote:
Originally Posted by ForeverInDebt (Post 589520) RMac if you are asking about EMP sensitivity, tube radios are FAR more resistant, as I understand it. However if the radios have any solid state components, they are vulnerable. The disadvantage of tube-based radios is that they use much more power, but it could be useful to have one or more on hand.
I own one tube SW. A Halicrafters S-53A... http://hjem.get2net.dk/helthansen/images/S-53A.jpg 1950-58. General purpose receiver covering 540 kHz - 1.6 MHz, 2.5 - 31 MHz and 48 - 54.5 MHz in five bands using 455 kHz IF. Band spread, BFO, ANL and built-in speaker. Tubes used: 5Y3 rectifier, 6K6 audio output, 6SC7 1st. audio & BFO, 6H6 ANL & detector, two 6BA6 as 2nd. & 1st. IF, 6C4 oscillator and 6BA6 mixer

mjk1971 | 04-29-2007 05:13 PM
Re: Old Ham radios collection - Somewhat EMP Proof? Buy a good radio, put it in a metal box, weld it shut, ground it, and wait until AFTER the EMP attacks to open the box.

blueice | 05-02-2007 02:21 AM
Re: Old Ham radios collection - Somewhat EMP Proof? Halicrafters, great ham gear. Own it at one time. Keep that piece, Master Mac, it will become a collector item. :bull-buddy-icon:

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