03:26
短波帯から50MHz帯(5MHzから54MHzまで確認）までの連続ノイズ
03:02
短波帯でのノイズ
13:33
UV-K5 monitoring 28MHz CW beacon and JD1BMH
00:15
UV-K5の実力
16:14
スプリット攻略法の一例 3G0YA 編
46:54
2024 SP DX contest
11:12
2024 WPX SSB for EU
09:57
start 10min.wav
41:47
2024 WPX RTTY contest 2nd day for EU at 5W QRP
43:17
2024 CQ WPX RTTY QRP 5W 6ele yagi
10:01
2023 WWCW EU day2
01:48
2023 CQ WPX contest SSB review
00:18
Todays 6m DX FR4PJ
09:41
2023 ARRL DX CW by JA6WFM
00:31
VK4FNQ on 6m SSB into JA6 area 22/FEB/2023
00:39
RDP VS 6ele on 10m
08:22
3Y0J 28MHz CW 12FEB around 13UTC
02:38
160m DL8LAS Andy into JA 559 into tower drive antenna.
00:07
スプリアス発射の一例
00:52
ウォーターフォールによるスプリト攻略法
06:16
CWの電波の質、それとも受信フィルターの特性？
03:11
7300と480で近接から受ける影響を実験してみました。Comparative IC-7300 and TS-480 with proximity interference.
00:23
09-OCT-2022 VK CW beacon VK6RSX/B into JA receiving with 1/2λ mobile whip.
36:31
2022 CQWW RTTY on 15m
04:36
2022 FDC 160m
00:13
TS-570 MULTI/CH repair
01:18
an effect of CW rise time, in near frequency. CWのrise time (立ち上がりと近接周波数への影響）
01:13
With PL-330, monitoring of a small CW pileup on 20m Ham band
05:01
review of TECSUN PL-330 on 40m Ham radio band
03:19
EA3AR on SSB/20m band receiving with TECSUN PL-330
00:25
Playing TECSUN PL-330
03:28
Playing Tecsun PL-330
58:35
2022 JIDX-CW by JA6WFM
01:59
CW PITCH 440Hz
26:16
広島WAS SO2R デモ
17:57
JA6WFM 2022 ARRL DX day2 morning on 20m
01:10:45
JA6WFM 2022 ARRL International DX Contest CW Day 1 on 15m
01:15:11
2022 WPX RTTY
20:13
2022 EU DX contest CW 21MHz
30:18
CQ WW 160 day2 morning
26:29
2022 CQ WW 160 past 7AM in JA just starting of Contest
07:22
IC-7300宅内LANリモート
03:12
リモート JG6YLY CQWW CW
02:55
リモートでの交信をモニター
03:24
防災訓練にて
13:27
2021LZ DX contest
00:25
FR1GZ/B on 10m into JA
07:25
2021 CQ WW PH for EU on 15m into JA
01:01
TECSUN PL330で聞くCQ WW SSB
19:00
2021 CQ WW SSB 21MHz S/P
03:28
Today’s condition on 15m 0730JST 230UTC
24:13
JF6YME 2021全市全郡リモート運用デモ
00:33
RTTYの交信例
35:49
2021 CQ RTTY月曜日の朝 14/21MHz
25:51
CQ WW RTTY on 15m day2
05:57
2021 CQ WW RTTY SO2R
00:45
7300vs7600
30:57
2021 All JA1 100W SO2R
09:55
CW Active filter kit demo Vectronics 820K [VEC-820K, KIT, SUPER CW AUDIO FILTER]
01:50:28
2021 ARI contest CW/SSB
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