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Topic Forum Author Created Posts Views Activity
Open Use of call sign with Part 15 devices on 33 cm and 70 cm ISM bands General discussion about technology and policy KC1ENN Dec 8th 2015, 22:29 4 1,749 on 24/12/15
by KC1ENN
Open USB to Serial Port problems--Prolific Drivers Software in Amateur Radio W1VT Aug 3rd 2012, 18:27 2 5,366 on 26/12/15
by VeggieVampire
Open Usable RF power density meter for safety? General Technical Q & A ag7ov Aug 4th 2018, 18:00 1 1,371 on 4/8/18
by ag7ov
Open US Nets General Technical Q & A KB5DOH Jul 24th 2011, 23:16 3 2,936 on 25/7/11
by w1rfi
Open Uploads Successful for N7YQ DXCC N7YQ Jul 9th 2012, 04:48 2 3,871 on 13/11/15
by 0007059675H80
Open Upgraded to General Welcome to the ARRL Forums W9KHz Jun 18th 2014, 01:27 5 3,871 on 31/7/14
by N0NB
Open Upgrade MFJ 784? General Technical Q & A WA2SAY Sep 15th 2014, 00:10 2 2,399 on 15/9/14
by W1VT
Open Upgrade Mailbox Quota Here General Technical Q & A AA1PR Sep 8th 2016, 23:10 5 1,762 on 12/11/17
by KF3BT
Open Unun or common mode choke Welcome to the ARRL Forums kd8azo Mar 19th 2015, 18:55 5 3,349 on 20/3/15
by kd8azo
Open Unlimited space with some limits - questions Antennas, feed lines, baluns and antenna tuners kc4rp Jul 14th 2018, 08:59 3 1,106 on 30/7/18
by kc4rp
Open Unknown mode on ~ 14.073 ? Digital modes and operation KJ6BQM Jul 16th 2017, 15:50 4 1,687 on 17/7/17
by W1VT
Open Unknown digital mode heard Digital modes and operation WB6DKH Sep 9th 2014, 00:56 1 1,928 on 9/9/14
by WB6DKH
Open Unknown Coaxial Switch General Technical Q & A HS0ZIL Sep 17th 2013, 12:52 1 1,608 on 17/9/13
by HS0ZIL
Open Universal Antenna Antennas, feed lines, baluns and antenna tuners Bilbotc2 Nov 2nd 2015, 14:48 4 1,292 on 2/11/15
by AI4BJ
Open Uninstall Aluma MP1/MP-2 General Technical Q & A KQ4B Sep 29th 2011, 22:29 1 2,512 on 29/9/11
by KQ4B
Open Uniden BC 100XL Vintage Gear - Restoring and Operating W9GDK Jan 30th 2017, 19:39 6 3,783 on 1/2/17
by W9GDK
Open Understanding SWR Antennas, feed lines, baluns and antenna tuners ralphm Jun 12th 2017, 21:14 4 2,132 on 29/8/19
by N9XR
Open Un identified signal RFI - Discussion and Q&A Mar 3rd 2019, 05:33 2 1,290 on 4/3/19
by W1VT
Open ULF - transmitting below 8.3 khz General discussion about technology and policy KJ4CYV Aug 6th 2017, 13:22 1 2,433 on 6/8/17
by KJ4CYV
Open UHF Contest VHF Contesting NQ8A Jun 7th 2016, 13:21 2 4,224 on 13/11/18
by WB5EMX

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