Disclaimers:
| Frequencies | Segment/Net name | Mode | Comments | Website |
| 3500-3510 | DX Window | CW | CW | |
| 3500-3600 | CW | CW | ||
| 3500-3600 | cw-rtty-psk, etc | Digital | No digital allowed above 3600 kHz | |
| 3520-3525 | Digital | Digital | Japanese digital window | |
| 3530 | IOTA | CW | http://www.rsgbiota.org/ | |
| 3545 | 3905 Century Club | CW | http://www.3905ccn.com/netsched.htm | |
| 3547 | QFN FL TFC NET | CW | All Florida CW Traffic Net 7 and 10 pm | http://cwnet.homestead.com/ |
| 3547.5 | 3905 Century Club | CW | http://www.3905ccn.com/netsched.htm | |
| 3555 | WI Traffic Nets | CW | 1800 Novice Net , 1830 Slow Speed Net, 1900 and 2200 WI Intrastate Net, all local times | |
| 3556.5 | County Hunting Net | CW | http://ch.w6rk.com | |
| 3557 | MDD TFC NET | CW | Maryland-DC-Delaware NTS Section Tfc Net. 7 & 10 pm daily | http://www.arrl-mdc.net/mdd_net/net.htm |
| 3557 | 3RN TFC NET | CW | DC-DE-MD-PA 3RN NTS Cycle 4 at 7:45 & 9:30 daily | |
| 3558 | FISTS | CW | http://www.fists.org | |
| 3559 | Feld Hell | Digital | http://feldhellclub.org/ | |
| 3560 | QRP | CW | CW | |
| 3563 | QMN | CW | Michigan Traffic net | |
| 3563 | QMN | CW | Michigan Traffic Net. Early 6:30 PM Eastern. Late 10:00 PM Eastern | |
| 3563 | MSN MD TFC & TNG | CW | Maryland Slow Net, Tfc & Net Op Training. | |
| 3563 | MSN MD TFC & TNG | CW | Maryland Slow Net, Tfc & Net Op Tng. 7:30 pm daily | http://www.bdb.com/~msn/ |
| 3565 | ALE | Other | ALE: Voice, Data, Sounding. Amateur Radio ALE is USB standard Automatic Link Establishment 2.2kHz Bandwidth | http://hflink.com |
| 3570 | Radio Scout Frequency | CW | http://home.tiscali.nl/worldscout/Jota/frequencies.htm | |
| 3570-3575 | BPSK31 | Digital | ||
| 3573 | AGCW QTC | CW | AGCW QTC Mo. 1800 UTC | http://www.agcw.org/ |
| 3575 | Traffic Net | CW | Alabama Section Net - CW Traffic | |
| 3575 | Feld Hell | Digital | http://feldhellclub.org/ | |
| 3576 | Traffic | CW | Frequency changed when realigned | |
| 3576 | JT65A | Digital | +/- 1 khz on USB | |
| 3576 | JT65A | Digital | http://www.hflink.com/jt65/ | |
| 3577-3580 | ROS | Digital | VFO Dial Frequency = 3577.0 kHz USB - ROS digital mode - weak signal | |
| 3578 | 3905 Century Club | Digital | http://www.3905ccn.com/netsched.htm | |
| 3580-3582 | BPSK31 | Digital | ALL DIGIS on USB in Region 2 BPSK31,QPSK31 | |
| 3580-3620 | RTTY | Digital | http://www.aa5au.com/rtty.html | |
| 3581.5 | W1AW | CW | http://www.arrl.org/w1aw.html | |
| 3582-3589 | Feld Hell | Digital | http://feldhellclub.org/ | |
| 3582.5-3584.5 | Olivia | Digital | -USB Dial Frequency- OLIVIA 500/16 CALLING FREQUENCY 3582.5 USB- Audio Center Frequency=750Hz | http://hflink.com/olivia/ |
| 3584 | MFSK16 | Digital | http://kf4houtn.tripod.com/snddigi.htm | |
| 3585.1-3587.4 | ALE | Other | 3584.5 kHz USB Automatic Link Establishment High Frequency Network- North America - IARU Region 2 - Data/Text/Messaging - 8FSK - AMD, DBM ARQ, FAE ARQ. | http://hflink.com |
| 3586 | 3905 Century Club | Digital | http://www.3905ccn.com/netsched.htm | |
| 3590 | K6YR | CW | http://www.arrl.org/w1aw.html | |
| 3590 | Empire Slow Speed Net | CW | 6:00PM Eastern | |
| 3590 | DX Window | Digital | RTTY | |
| 3590-3593 | ALE | Other | 3589.5 USB Automatic Link Establishment High Frequency Network (QSY Text/Data Frequency) | http://hflink.com/ |
| 3590-3600 | Automatic | Digital | Automated Digital Stations - IARU Region 1 (500Hz Bandwidth) | http://hflink.com/bandplans/ |
| 3594-3594.2 | MEPT_JT/WSPR | Digital | Weak Signal Propagation Reporter - dial 3.5926 USB | http://physics.princeton.edu/pulsar/K1JT/ |
| 3596-3599 | ALE | Digital | 3596.0kHz USB Global ALE High Frequency Network (HFN) provides HF internet messaging connectivity, HF to SMS cellphone mobile texting, HF-to-HF text relay, selective calling, and interoperability 24/7/365 | http://hflink.com/hfn |
| 3596.2-3599.3 | ALE | Other | 3596.0 kHz USB - ALE - Automatic Link Establishment - International Amateur Radio ALE Network - Selective Calling - GPS Reporting - Data - Texting, 8FSK MIL-STD 188-141 and MIL-STD 188-110 | http://hflink.com |
| 3597.5 | W1AW Digital | Digital | http://www.arrl.org/w1aw.html |
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