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View Full Version : General Technical Questions and Answers



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  1. Faulty Band Switch Clipperton L
  2. Icom 703 Plus early models
  3. Ef johnson challenger 242-5852
  4. Logging Help
  5. AT-230 Adjustment??
  6. MFJ-407D or the MFJ-401D Curtis Keyer?
  7. Modifying a motorola ht 90
  8. License Upgrade
  9. Advice on weatherproof seal for antenna connection
  10. new guy, say hello to all of you
  11. Antenna Types
  12. VX7r Info required
  13. Is $65.00 too much to pay for a spectrum analyzer?
  14. antenna gain
  15. Icom 756 Pro LED Screen
  16. 1 minute long cw Id??
  17. Service Manual for the ICOM AH-2
  18. Efficiency and signal: Screwdriver antenna vs manual tuner and random long wire?
  19. QSL Cards
  20. Ask the pros?
  21. PSK31 cables from XGGCOMMS.COM
  22. Battery Booster / DC-DC Regulator
  23. Erecting a tower....
  24. Cushcraft ASL2010 antenna <Rotator Recommendation>
  25. Icom ic-707
  26. What is a RIB????????
  27. SWR queston..??
  28. SW Receiver Issues...
  29. The Proper Way
  30. midland 79-290 power cable broke
  31. Echolink and Wildblue
  32. Desk Boom for MC-60A
  33. homebrew lowpass filter
  34. Kenwood TS 430s
  35. Astron RS-20a problem
  36. Kenwood TS-2000 to Yaesu Linear
  37. Does anyone know how to delete old posts?
  38. Groups
  39. Stacking vs. Baying
  40. "Maverick" HF Amp???????????
  41. M0HZT- Jenni
  42. Homebrew tuner, rig connections
  43. 6 element beam with 1 degree elevation pattern?
  44. IC-91A Owners: A question re: channel knob
  45. More antenna questions
  46. Amp keying?
  47. ICOM 502 Schematic
  48. Capacitor vs Dimming Circuit
  49. Quick Yagi 4 issues (6 element beats a 7 element)?
  50. Italy - contact - Tony with heavy accent
  51. ICOM IC 7000+AT140+BB7V again!! Thank you all
  52. Stray RF
  53. CW exam question
  54. TM-441 as a Link Radio
  55. Icom 756ProIII to Ameritron AL-80B Keying
  56. Suggest a portable/field antenna?
  57. g5rv and 135 all bander antenna
  58. Watson W50 2m / 70cm antenna - Ground plain dimensions
  59. Easy Question: Slopers
  60. antenna elevation angle beamwidth symmetry question
  61. question about odd quarter wave 75 ohm cables for stacking
  62. aprs software
  63. New ham... Need antenna advice please.
  64. grid /squares
  65. Looking for IRCs? IMM35, Sec. 372
  66. Ham Radio re-entry questions (Icom 730, antenna, etc.)
  67. DTMF and My Echolink Node
  68. I can't view the practice test? What's missing?
  69. HAM LICENSING Part DUH
  70. Help me decide on some HF antenna options please.
  71. Back on the air after a few years w/ questions
  72. Sources for equipment
  73. DSO-2250 USB Scopes
  74. Plexiglass Key Covers
  75. Vertical HF
  76. HT w/outdoor antenna. Hard & fast rules ?
  77. Window line elements-close the ends?
  78. Looking for a good resource for Radio theory
  79. 75 ohm coax queston??
  80. Fractal freeware?
  81. Co-phashing
  82. Can a shielded cable between 2 transceivers be used instead of an antenna?
  83. Yaesu VXA-200 handheld microprocessor reset help
  84. Where do you buy Rohn tower sections?
  85. CW paddles - springs vs magnets
  86. Yaesu FL-2100 problem....
  87. RF "backstop" possible?
  88. Anyone know if enlisted or officers can bring HF rigs overseas?
  89. Wht r diffrent types of transceivers i can go for
  90. MFJ-259B question
  91. Wire dipoles Resonance??
  92. fed cable "hump" orientation for Yagi-Uda beams?
  93. Yaesu Rotator- G 450a
  94. Gizmotchy antennas
  95. Attic antenna tweak
  96. Identify this tower #1
  97. Identify this tower #2
  98. dipole question please
  99. Crystal for a Kenwood 820
  100. 11 mtr antenna designs
  101. cw training prog??
  102. Gmrs Question
  103. QRP CWers opinion needed please.
  104. RF interference and digital television
  105. QRP Antenna Tuner
  106. Mystified?
  107. IC-746PRO tuning
  108. Echolink with and HT
  109. Best Service for a Kenwood TM-V7A ?
  110. Echolink with an HT part deux
  111. I passed my first practice Technician class test without studying at all
  112. indoor antenna in a condo
  113. Self education on SWR
  114. Transistor Crossreference
  115. VX-7R Speaker MIC problems
  116. Boat Anchor forums - Autronic Keyer
  117. 'Ham' ... Where, when, how, why ..??
  118. Digital TV and my HT
  119. Tx on dual identical HTs simultaneously?
  120. Pre Amp Question
  121. TS-2000, VFO jumping erratically when transmitting
  122. Kenwood TS-450S transceiver question...
  123. Can the public demand to see my license?
  124. Hallicrafters SR-500 microphone?
  125. IC-746 digital mode hookup?
  126. Mounting The FT-8900r/antenna in a Honda CRV
  127. home brew rotary antenna - help
  128. mobile four square array for GMRS with 4 way manual switch?
  129. Moving to town...Antenna question
  130. Balun and HF dipole for beginner
  131. Anyone Have a Champion C40012 Generator?
  132. fm or fm narrow band setting
  133. free practice testing for general licence online?
  134. What contest is going on this weekened?
  135. Hallicrafters question
  136. QSL Cards in Contests
  137. dos logger that exports in adif
  138. Midland 70-441B
  139. SSB Sat operation
  140. SteppIR Need help TESTING
  141. Squirrel Proofing Antenna Ropes
  142. Reply to CW Contest
  143. Two Handheld and a Keyer Question
  144. Kenwood 440s Question
  145. Sniffing out Noise. How?
  146. Can this be done with an ft-8800
  147. Workman PS20 putting out to much V.
  148. Ares
  149. VX7R question(alpha tags)
  150. Recommendations for a "GOOD" interface
  151. Xtals
  152. No power to mic
  153. Th-d7a(g) locked up!!! Help
  154. Atas 120 Mounting Ideas
  155. Toroid transformer problem
  156. Stupid swr question
  157. Rotator replacement advice
  158. antenna switch box
  159. pvc j-pole antenna -high swr
  160. Kenwood TS-940 Question(s)
  161. grounding
  162. Hustler 6-btv installation help
  163. Icom 720 Troubleshoot & Repair ?
  164. AL-811 low power on 80M
  165. Kenwood "born on dates"??
  166. Radio Shack, Micronta SWR Meter Freq Range
  167. Field strength meter?
  168. Vertical multiband antennas
  169. Best antenna for portable?
  170. Kenwood TS-700s
  171. Yaesu FT-101E Tuning Dial Calibration
  172. no comprende INRAD
  173. 6dq5
  174. 10 Meter antenna?
  175. New to HF question
  176. Butternut HF-2V add on kit
  177. Cushcraft R-4 Info/Instructions
  178. How to determine correct grid?
  179. Headset for an 857D
  180. While we're on the subject of 'radials'...
  181. Cheap 2M Band Handhelds
  182. Fritzel FD4??
  183. custom chassis
  184. Yaesu FT-857D low output power?
  185. BMW R1150RT vs Icom IC208-E
  186. Clipperton Power output increases Key Down
  187. FT817 & Macbook
  188. Why will no one respond on 2m?
  189. Tuner for VLF
  190. Should I get a city permit for 36' tower?
  191. Value for a working IC-756
  192. Wattage Rating For PC
  193. Canada and TR 61/01
  194. Ameritron Amps?
  195. Gain?
  196. not able to get swr out of the ozone layer!
  197. Legality: Ham Radio in music (not vice versa)
  198. Ignorant digital mode question
  199. Sun cycle
  200. D Star
  201. SWLing
  202. Short wave broadcasters gone on 40M by 2009. True or false?
  203. GLB Electronics Anyone
  204. MFJ 269 and triplexers
  205. 2 meter ssb antenna
  206. 30 m - where is 10100.5 and 10101 kHz
  207. skandia nordmende 5/613 schematic wanted
  208. FRB-757 and IC-7000/IC-737
  209. 70cm question
  210. Antenna identification
  211. Mfj-1026/1025
  212. ft-450 owners pls help with alc scale reading
  213. My FT-857D Quit Transmitting
  214. ATAS-120 and counterpoise question
  215. Fax Machine + Ham Radio
  216. What the hell - 14.231...!
  217. mobile UHF Yagi-Uda spacing above metal vehicle top?
  218. vanity call
  219. Amplifier output - how much is enough?
  220. Rtty
  221. 40m major problem
  222. Multi-Band Yagi vs. Log Periodic - What's the Difference?
  223. Becoming a New Amateur.
  224. Attic UHF attenuation
  225. help with kenwood 2550a
  226. Ft7800r Cloning Problem
  227. Flat plane ????
  228. Coil to shorten 160 M dipole
  229. 2 meter repeaters
  230. Noisy power supply.
  231. 15amp power supply
  232. 6 metre halo
  233. need advice from 40m DX hounds- Butt load of 60' radials
  234. Power Connector for FT-757GX
  235. 75 to 50 ohm mismatch into a spectrum analyzer
  236. HF quad mods
  237. 70 cm yagi
  238. Technical assistance needed-Icom PCR-1000
  239. Plasma or LCD?
  240. Turning a g5rv into a junior. Please help.
  241. u.S.S> Intrepid
  242. radial confusion
  243. Yaesu FT-60R owners Help
  244. Two Meter SSB Mobile question
  245. Recommend a good GMRS beam for me?
  246. Rotor program
  247. Callsign Lookup Site That Uses XML
  248. Couldn't find the thread
  249. 7mhz-40 ,etre band wire antenna.
  250. 6 element beam shortening impedence question