RadioBanter > rec.radio.amateur > Homebrew

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251. [QRZ] Wifi controlled LED display
252. [QRZ] Tracking RF Filter "variable gain" problem
253. [KD8CEC] DVSwitch Builtin on DVPi (DVPi standalone setup) using DVPi Manager
254. [KG3V] Tornado Near-miss on 8-4-2020
255. [QRZ] I put together a very small amplifier today
256. [QRZ] Homemade Y-cable and PTT for FT-891
257. [QRZ] Why isn't this filter filtering?
258. [QRZ] Really basic LED/breadboard question
259. [KB9VBR] Yaesu FT-891 Setup for Digital Modes
260. [KB6NU] Build your own resistor load bank
261. [QRZ] A WIFI Enabled Manual Antenna Tuner
262. [QRZ] Noisey little amp
263. [KG3V] 160 Meter Inverted "L" Antenna
264. [QRZ] Choosing Transistors is Bewildering
265. Re: 30 Years Ago: Has anyone made any homemade valves (tubes), semiconductors ...
266. [G6NHU] How to update and upgrade your Pi-Star based hotspot
267. [QRZ] KG-640 Meter sensitivity
268. [QRZ] ME2700 : Orphan EPROM Programmer
269. [QRZ] Magnetic wire
270. [M1GEO] 180W PA KIT CONSTRUCTION
271. [QRZ] a 15m CW transmitter project
272. [QRZ] Unexpected Antenna
273. [QRZ] 600 watt HF Linear Amplifier Project
274. [QRZ] super cathode driven questions moved from "circuits"
275. [KD8CEC] I am planning a project using Raspberry Pi.
276. [QRZ] Tayloe detector success
277. [G6NHU] Broken hexbeam - Worst aerial damage Ive had
278. [QRZ] Labeling project boxes
279. [QRZ] Interesting story here
280. [QRZ] Cat Ranch Electronics: OVERKILL ON STEROIDS!
281. [QRZ] Generic rack mount case vendor recommendations
282. [WB4SON] Renaming Audio In/Out in Win 10
283. [KB9VBR] Building an Off Center Fed (OCF) Dipole Antenna
284. [QRZ] Audio Amp Shutdown Control?
285. [VA3QV] Well we got it
286. [QRZ] Recommendation for cutting holes in aluminum?
287. [QRZ] Common Gate JFET amps
288. [QRZ] Giant Battery... 400Ah LiFePO4
289. [QRZ] Crystal Calley Brator
290. [QRZ] Bit Off More Than I Can Chew.
291. [QRZ] MFJ Auto Tuner Extender clone?
292. [QRZ] A new transceiver KN990 made by BA6BF
293. [QRZ] 74HCT240 transmitter, picky with crystals..
294. [QRZ] Unshunted Meter Question
295. [G6NHU] How to enable cross band repeater on an Icom ID-5100E
296. [QRZ] Help with kit assembly
297. [QRZ] band pass filter problem?
298. A simple HF/VHF/UHF Noise Generator
299. [QRZ] HamClock on Raspberry Pi
300. [QRZ] Antenna Selector Switch DIY Boat
301. [QRZ] ATU KITS ON eBay
302. [QRZ] ICOM LED Backlight Kit Version 2
303. [QRZ] Presentation on the NanoVNA
304. [QRZ] Measuring Q of an Inductor
305. [QRZ] Build Drake L-4 PS Test Panel for L4B Linear Amplifier Power Supply
306. [QRZ] Tiny tubes
307. [QRZ] Cheap Oscilloscope kits - do they work?
308. [G6NHU] Digital audio noise on receive when using WIRES-X
309. [QRZ] Homebrew Programing Cables - FT-60, UV-5R, IC-2730A
310. [WB4SON] BlueDV Running with DV 3K Dongle
311. Re: Quadruple Sideband?
312. [VK2TPM] Virtual audio cable for macOS
313. [AB1OC/AB1QB] PTT Switch for Remote Operation
314. [QRZ] MFJ Cub 40m Alignment
315. [QRZ] Fresh from the parts bin...
316. [QRZ] sideswiper/cootie key parts
317. [QRZ] Antenna splitter that shuts off 1 path on transmit?
318. [QRZ] A stable 6AK5 local oscillator for the Meadowlark receiver
319. [QRZ] 600W+ homebrew amplifier using low cost LDMOS devices (2x MRF300, ~US$35 each)
320. [G4AKC] Balloon Antenna
321. [VA3QV] Its smaller than I thought
322. [QRZ] Homemade Tube FM Receiver
323. [QRZ] sideswiper/cootie key parts
324. [QRZ] Impedance matching transformer doesn't measure as expected
325. [QRZ] FT-857D - How to cable out for Digi Easy
326. [QRZ] PTT controlled antenna switch.
327. [QRZ] FT991a external tuner control
328. [QRZ] Making a dummy load
329. [QRZ] Getting control of the Furlough 40
330. [QRZ] NE602 modulator questions
331. [QRZ] Tx/Rx Switch Kit - Modification?
332. [QRZ] Stepper motor recommendations?
333. SA612 better alternatives!
334. Best Switching Mixer
335. Alternative Fundamental Squarer
336. [QRZ] Designed a RF probe and RF differential probe
337. New updates for my GPS controlled oscillator
338. [QRZ] Homebrew without soldering iron: Knobs for my SDR
339. [QRZ] Can't learn CW for beans, looking to make a decoder...
340. [QRZ] MFJ-8100K looking for somone who has built this kit
341. [QRZ] Making it up as i go
342. Superregenerative receivers
343. [KE9V] Designer Sourced Retired Kits
344. [QRZ] MFJ Cub alignment trouble
345. [M1GEO] Folding AT Home with CPU and Nvidia GPU on Ubuntu
346. [QRZ] MC799P Square wave generator
347. [G6NHU] UTC clock for macOS
348. [M0NWK] Offset satellite dish for QO-100 Eshail-2 project
349. [QRZ] 1964 Handbook Link Coupled Tuner
350. [QRZ] Homemade OPC581 remote cable
351. [QRZ] Astron 35 - Meter LEDs
352. [QRZ] Build a Dual Coaxial Stub Notch Filter
353. [QRZ] So I just finished this...
354. [QRZ] IF Filters for AM/voice reception
355. [QRZ] Yaesu FT-60 USB-TTL DIY programming cable
356. [QRZ] EU1KY Antenna analyzer with STM32F7Disco (DH1AKF mods)
357. [QRZ] simple arduino keyer
358. [QRZ] Homemade OPC581 remote cable
359. [QRZ] QCX 40 Meter Transceiver
360. [QRZ] Cheap Oscilloscope kits - do they work?
361. [QRZ] Info. on building 20m transceiver
362. [QRZ] Vacuum Tubes at an estate sale
363. [QRZ] Low power AM screen modulation design
364. [M0FOX] RS-BA1 Version 2 IP Remote Control Software
365. [VK2TPM] How to see LoRa on an RTL-SDR waterfall
366. [QRZ] Need Help Finding Panel Marking Ideas
367. [QRZ] Nixie Clock
368. 27 mhz jammer
369. [KE9V] Turn the Page
370. [VK1NAM] Raspberry Pi - PiAware ADS-B Antenna Location
371. [QRZ] Balun for 40 meter band
372. [QRZ] EU1KY Antenna analyzer with STM32F7Disco (DH1AKF mods)
373. [QRZ] Kester "44" 63/37 Solder .031" (20 AWG)
374. [QRZ] Upgrading the SKCC Cootie Key
375. [QRZ] Artificial ground tuner from random wire tuner
376. [G6NHU] How to set up a Yaesu System Fusion reflector (YSFReflector)
377. [QRZ] Panadapter tap for SDR - on an IF stage or frontend?
378. icom 718 splatters
379. [QRZ] Help ID: super regenerative, short short wave, vintage home brew
380. [QRZ] HEATSINK FOR HOMEBREW AMP
381. [QRZ] Best tooobe oscillator for HC-16 rocks?
382. [M1GEO] Experiments with Phase-Frequency Detectors
383. [QRZ] SSB Transmit Offset Frequency
384. [QRZ] PIN Diode Question
385. [QRZ] ArFO - Arduino Remote "Frequency Oscillator"
386. [QRZ] 6ag7 -> 2 x 1625 is slowly coming together
387. [QRZ] Codan 8525B_USB/LSB switching. No crystal
388. [WB4SON] Configuring SatPC32 for an Icom IC-9700
389. [QRZ] Help with W8TEE/K2ZIA Arduino Antenna Analyzer
390. [QRZ] Circuit Diagram for 30 amp 12volt supply
391. [KB6NU] 2020 Extra Class study guide: E5A - Resonance and Q: characteristics of resonant circuits; series and parallel resonance; Q; half-power bandwidth; phase relationships in reactive circuits
392. [QRZ] EU1KY Antenna analyzer with STM32F7Disco (DH1AKF mods)
393. [M1GEO] Numitron Clock Update
394. [QRZ] 4CX250B AMPLIFIER INFORMATION?
395. [QRZ] Balanced Modulator Output
396. [QRZ] Kiss packet radio serial software
397. Si4735 Arduino Library
398. [WB4SON] Using a TYT MD-430 with a pi-star Gateway
399. [WB4SON] DX Labs working with WSJT-X
400. [QRZ] Turning FT-991A into a real SDR.
401. Clip leads
402. [QRZ] Anything new in kits this year 2018 or beta projects ??
403. [QRZ] Best cases for home brew projects?
404. [QRZ] Building a REAL Heathkit!
405. [M0IAX] IC-705 News
406. [QRZ] Yaesu-compatible TX timer/counter
407. [QRZ] Circuit Board Design Questions
408. [QRZ] IQ Design Question
409. [QRZ] Crystal radio for ham listening
410. [QRZ] Best Open Source SPICE, PCB Layout, CAD, Schematic Capture Software?
411. [QRZ] High speed mosfet drivers
412. Problem_with_SB-220_RF_Keying
413. [KG3V] Loop-on-Ground, the simplest Receive-Antenna you will ever Build, and it Works
414. [QRZ] 50jy6 push pull CW tx
415. [G6NHU] Building an MMDVM hotspot on a budget
416. [QRZ] 6SK7 equivalent?
417. [QRZ] How to buffer the output of the SI5351A clock generator?
418. [QRZ] New ICOM Projects for 8 voice keyer memorie and ATAS controller
419. [QRZ] Anything new in kits this year 2018 or beta projects ??
420. [G6NHU] 1090 MHz ADS-B PCB antenna from eBay
421. [QRZ] Removing Secondary Winding From A C/T Transformer?
422. [QRZ] Hmmmm....what shall I build?
423. [G6NHU] A personal, non radio related update.
424. [QRZ] Homemade OPC581 remote cable
425. [QRZ] NE612 universal project breadboards?
426. [G6NHU] Rebuilding and raising my ADS-B receiver
427. [QRZ] Field-Portable Drill Battery Power
428. [QRZ] 600W+ homebrew amplifier using low cost LDMOS devices (2x MRF300, ~US$35 each)
429. [QRZ] Dsp speech processor
430. [QRZ] Coil winding turns counter
431. [QRZ] Any K2 gurus here? Rx sensitivity on higher bands
432. [QRZ] 432 MHz low power LINEAR amplifier
433. [QRZ] Anything new in kits this year 2018 or beta projects ??
434. [QRZ] A New 250-W Broadband Linear Amplifier
435. [QRZ] Wanted: Schematic for Kenwood RM-1
436. [QRZ] 4CX250B AMPLIFIER INFORMATION?
437. [QRZ] 600W+ homebrew amplifier using low cost LDMOS devices (2x MRF300, ~US$35 each)
438. [QRZ] Yaesu-compatible TX timer/counter
439. [QRZ] Q meter
440. [QRZ] Regenerative receiver advice....
441. [QRZ] Kester "44" 63/37 Solder .031" (20 AWG)
442. [QRZ] Mini Circuits Lab ring modulators
443. [VK2TPM] Beware of macOS malware
444. [QRZ] XF-LPF-HF eBay kit build instructions here
445. [VK1NAM] Antenna Project - Rabbit Ears 2el 2m Telescopic Yagi
446. [VK2TPM] ESP32-CAM notes to self
447. [QRZ] Mod MFj-849 or Nissei DG-503
448. [QRZ] ubitx v5
449. [QRZ] Power Pole Protector
450. [QRZ] Homemade OPC581 remote cable
451. [VA3QV] A few changes here
452. [QRZ] WWVB 60 kHz BPSK Receiver Kit
453. [G6NHU] Building an MMDVM hotspot on a budget
454. [QRZ] Wanted: Schematic for Kenwood RM-1
455. [QRZ] Using a small CNC mill to cut and letter panels.
456. [QRZ] VCC : Portfolio of Light Pipes
457. [QRZ] VNA-o-mizer now has a jogwheel and fixtures
458. [QRZ] Xtal oscillator issue
459. [QRZ] KeDei LCD / TFT module version 6.3 SPI blues
460. [NT7S] Updating the NanoVNA Firmware
461. [QRZ] Make a 100 Watt linear amplifier from a kit
462. [QRZ] Disassembling the Weller WESD51
463. [QRZ] Homebrew RF Design Challenge - NXP 100 W MRF101AN or 300 W MRF300AN
464. [QRZ] Need new soldering station
465. [QRZ] Experiments With A 6AR8 AM/SSB Modulator
466. [QRZ] Question about a fan control circuit
467. [G6NHU] Installing a dipole for 30m
468. [QRZ] Update on ModularTuner
469. [QRZ] Fake parts on Ebay
470. [QRZ] Rotary switch for radio selection
471. How to start experimenting with Lora?
472. [QRZ] Kits and Parts 20 meter cw transceiver project.
473. [QRZ] XF-LPF-HF eBay kit build instructions here
474. [QRZ] mfj cub alignment
475. [VA3QV] Over the Air #OTA TV antenna
476. [QRZ] Mod MFj-849 or Nissei DG-503
477. [QRZ] Prescaler Accuracy
478. [QRZ] Series capacitor on coax shield in receiver
479. [QRZ] Building a Ham Radio Tilt-Tower
480. [QRZ] Fake parts on Ebay
481. [QRZ] Neat little device
482. [QRZ] Question about a fan control circuit
483. [QRZ] Q. FST3257 CMOS Multiplexer as a DBM
484. [NT7S] OpenBeacon Mini OpenBeacon 2
485. [QRZ] CNC router
486. [QRZ] LED Swap
487. [QRZ] A New 250-W Broadband Linear Amplifier
488. [QRZ] Experiments With A 6AR8 AM/SSB Modulator
489. [QRZ] Preamp Problems
490. [QRZ] Replacement for UC3906 SLA Charger IC?
491. [QRZ] Sizing heat sink for dummy load
492. [QRZ] Programmable Oscillators
493. [QRZ] Fm 100/170W Watt Power
494. [QRZ] Filter design help
495. [QRZ] A new transceiver KN990 made by BA6BF
496. Living in the past?
497. [QRZ] Ceramic capacitor kit on e-bay - comments please
498. [QRZ] Turning FT-991A into a real SDR.
499. [QRZ] Single vacuum DPDT relay for antenna switching an amp project
500. [QRZ] Tarnished Silver as a Crystal Radio Detector

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