RF, Microwave, Ham Radio

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G0HZU, A.Z. and 53 Guests are viewing this board.
	Suitable alternative to the AADE LC meter	bd139	16 Replies 5673 Views	October 03, 2017, 01:57:29 pm by orbanp
	where can I get a 145MHz helical filter these days?	bd139	6 Replies 3154 Views	April 27, 2018, 11:11:57 pm by bd139
	Where can I get U-Blox "T" timing GNSS dev boards from?	bd139	3 Replies 1206 Views	March 27, 2019, 02:03:11 pm by Lord of nothing
	(Help need) 433.92MHz Remote controller strange issue	BD1QMP	3 Replies 1023 Views	February 02, 2023, 10:50:36 pm by AFTORF
	Why no police scanner for SDR?	Beamin	10 Replies 2669 Views	July 29, 2018, 02:07:44 pm by Lord of nothing
	How much $ to get into SW with more then 5 watts Tx?	Beamin	20 Replies 3042 Views	October 15, 2018, 06:33:41 pm by coppercone2
	When building antenna do you use the speed of light in vacuum or copper (0.66)	Beamin	9 Replies 7488 Views	June 11, 2018, 02:40:02 pm by Beamin
	Would it be possible to make radio controled subs > few feet depth?	Beamin	14 Replies 2396 Views	September 25, 2018, 11:04:06 pm by coppercone2
	Setting up SDR to get rid of FM broadcast ghosts...again?	Beamin	3 Replies 1121 Views	October 13, 2018, 03:33:35 pm by radioactive
	Using an audio amp for amateur ULF radio?	Beamin	12 Replies 2009 Views	June 02, 2019, 10:31:10 pm by David Hess
	How do you get rid of the ghost signal always on the center on the SDRPlay?	Beamin	3 Replies 1654 Views	October 16, 2018, 11:01:04 pm by TheBay
	How would you make this data transmitter wireless?	Beamin	5 Replies 1435 Views	June 14, 2018, 07:05:05 pm by Beamin
	Can you use to SDR's on the samecomputer at the same time?	Beamin	2 Replies 897 Views	March 19, 2018, 06:21:04 pm by Lord of nothing
	Feeding signal generator into IF to get subcarrier radio?	Beamin	5 Replies 1759 Views	September 16, 2018, 02:36:10 pm by Beamin
	Can you make your own wifi router or dedicated data link for the internet? « 1 2 3 All »	Beamin	52 Replies 9009 Views	April 12, 2018, 04:48:19 pm by KD4PBS
	Why am I a better antenna then my antenna? « 1 2 All »	Beamin	36 Replies 4271 Views	December 28, 2019, 08:34:04 am by BrianHG
	Intel I7 1.99GHz not fast enough for 2mhz+ bandwidth on HDSDR /SDRPlay?	Beamin	11 Replies 3009 Views	October 27, 2018, 08:07:43 am by RoGeorge
	Is there a way to send HDMI signals wirelessly a short distance?	Beamin	5 Replies 1435 Views	July 23, 2018, 05:58:31 am by a59d1
	Did anyone hear anything strange on SW during the last eclipse?	Beamin	2 Replies 990 Views	May 21, 2018, 09:18:53 am by babysitter
	What kind of decoder/encoder will work with these tx/rx modules?	Beamin	6 Replies 2568 Views	November 05, 2017, 04:00:03 pm by JimRemington
	If you have the space isn't a full wave legnth best?	Beamin	2 Replies 1217 Views	January 01, 2022, 10:35:32 pm by Whales
	Why does the air hum/buzz around the WWV transmitter site?	Beamin	7 Replies 1875 Views	September 30, 2018, 08:07:17 pm by LaserSteve
	Idea for weak signal decoding at or below noise floor « 1 2 All »	Beamin	27 Replies 4657 Views	November 30, 2018, 02:46:13 am by rhb
	Strange antennas ... ???	Beamin	1 Replies 1302 Views	October 16, 2018, 06:08:24 pm by tkamiya
	Will adding an amp to my SDR offer any benefit?	Beamin	16 Replies 5849 Views	October 15, 2017, 06:04:15 am by Beamin
	What do you think the mystery RF sparks were in MrCarlson's lab?	Beamin	20 Replies 2477 Views	February 07, 2020, 05:52:13 am by David Hess
	Making DX VHF?UHF ham radio contacts by relaying and handing off a message	Beamin	11 Replies 1059 Views	September 13, 2019, 12:24:22 pm by Beamin
	300ohm ladderline dipole antenna fed with ladderline...	Beamin	15 Replies 3980 Views	August 28, 2018, 12:14:00 am by vk6zgo
	Living in an old victorian mansion in the city:VHFUHF or HF HAM? (General class)	Beamin	6 Replies 1153 Views	November 14, 2020, 08:49:24 am by A.Z.
	How to add this amplifier to these tx/rx pairs?	Beamin	9 Replies 1925 Views	November 03, 2017, 12:10:47 pm by Mjolinor
	Any good ways to find out what SW signals you are listening to?	Beamin	4 Replies 1416 Views	December 02, 2018, 12:52:31 am by Beamin
	SW HAM Veterans: how much does the sunspot cycle effect the experience?	Beamin	6 Replies 1295 Views	August 26, 2018, 08:25:46 pm by vk3yedotcom
	What are you Realy hearing when youtuneyou SDR lower then it's bandwidth?	Beamin	0 Replies 910 Views	August 11, 2018, 12:38:29 pm by Beamin
	Have 1000-1500$USD to spend on a UHF/VHF HAM radio setup what to buy?	Beamin	1 Replies 764 Views	November 28, 2020, 11:47:56 pm by Wallace Gasiewicz
	Anyone try the Alinco DR-735T VHF/UHF Transceivers DR-735T	Beamin	0 Replies 637 Views	November 13, 2020, 05:30:53 am by Beamin
	If you have an SDR radio is there no point in buying different band transceiver	Beamin	10 Replies 2427 Views	October 01, 2017, 07:08:00 pm by Beamin
	Is there an HDSDR program for your wifi?	Beamin	4 Replies 1806 Views	September 13, 2018, 06:01:37 am by 9aplus
	Making antenna adapter for portable grundig SW: coax to wire?	Beamin	4 Replies 1745 Views	June 03, 2018, 03:07:06 am by Beamin
	Is there an all in one package that allows you to detect adsb on the SDR for win	Beamin	0 Replies 924 Views	May 08, 2019, 01:05:45 am by Beamin
	Going shopping at QRP labs. What should I buy?	Beamin	8 Replies 3857 Views	November 26, 2017, 11:17:19 am by Beamin

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